TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
D
D
D
D
D
D
1/2 VI Virtual Ground for Analog Systems
Self-Contained 3-terminal TO-226AA
Package
Micropower Operation . . . 170 µA Typ,
VI = 5 V
Wide VI Range . . . 4 V to 40 V
High Output-Current Capability
– Source . . . 20 mA Typ
– Sink . . . 20 mA Typ
D
D
Excellent Output Regulation
– – 45 µV Typ at IO = 0 to – 10 mA
– +15 µV Typ at IO = 0 to + 10 mA
Low-Impedance Output . . . 0.0075 Ω Typ
Noise Reduction Pin (D, JG, and P
Packages Only)
INPUT/OUTPUT TRANSFER CHARACTERISTICS
10
VI
description
VI
V
O
8
Voltage – V
In signal-conditioning applications utilizing a
single power source, a reference voltage equal to
one-half the supply voltage is required for
termination of all analog signal grounds. Texas
Instruments presents a precision virtual ground
whose output voltage is always equal to one-half
the input voltage, the TLE2426 “rail splitter.”
VO
+ V2I
6
4
VO
The unique combination of a high-performance,
2
micropower operational amplifier and a precisiontrimmed divider on a single silicon chip results in
a precise VO/VI ratio of 0.5 while sinking and
sourcing current. The TLE2426 provides a low0
0
0.25
0.5
0.75
1
impedance output with 20 mA of sink and source
t – Time – s
capability while drawing less than 280 µA
of supply current over the full input range of 4 V to 40 V. A designer need not pay the price in terms of board
space for a conventional signal ground consisting of resistors, capacitors, operational amplifiers, and voltage
references. The performance and precision of the TLE2426 is available in an easy-to-use, space saving,
3-terminal LP package. For increased performance, the optional 8-pin packages provide a noise-reduction pin.
With the addition of an external capacitor (CNR), peak-to-peak noise is reduced while line ripple rejection is
improved.
Initial output tolerance for a single 5-V or 12-V system is better than 1% with 3.6% over the full 40-V input range.
Ripple rejection exceeds 12 bits of accuracy. Whether the application is for a data acquisition front end, analog
signal termination, or simply a precision voltage reference, the TLE2426 eliminates a major source of system
error.
AVAILABLE OPTIONS
PACKAGED DEVICES
TA
0°C to 70°C
SMALL
OUTLINE
(D)
CERAMIC
DIP
(JG)
PLASTIC
(LP)
PLASTIC
DIP
(P)
TLE2426CD
—
TLE2426CLP
TLE2426CP
– 40°C to 85°C
TLE2426ID
—
TLE2426ILP
TLE2426IP
– 55°C to 125°C
TLE2426MD
TLE2426MJG
TLE2426MLP
TLE2426MP
CHIP
FORM
(Y)
TLE2426Y
The D and LP packages are available taped and reeled in the commercial temperature range only. Add R suffix
to the device type (e. g., TLC2426CDR). Chips are tested at 25°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright  1998, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
description (continued)
The C-suffix devices are characterized for operation from 0°C to 70°C. The I suffix devices are characterized
for operation from – 40°C to 85°C. The M suffix devices are characterized over the full military temperature range
of – 55°C to 125°C.
LP PACKAGE
(TOP VIEW)
D, JG, OR P PACKAGE
(TOP VIEW)
OUT
COMMON
IN
NC
1
8
2
7
3
6
4
5
NOISE REDUCTION
NC
NC
NC
IN
COMMON
OUT
NC – No internal connection
TLE2426Y chip information
This chip, properly assembled, displays characteristics similar to the TLE2426C. Thermal compression or
ultrasonic bonding may be used on the doped aluminum bonding pads. The chips may be mounted with
conductive epoxy or a gold-silicon preform.
BONDING PAD ASSIGNMENTS
(3) (3)
(2)
(2)
(1) (1)
IN
(3)
NOISE (8)
REDUCTION
60
(2)
COMMON
(8)
88
2
POST OFFICE BOX 655303
NOTE A:
+1
CHIP THICKNESS:
15 MILS TYPICAL
(1)
OUT
BONDING PADS:
4 × 4 MILS MINIMUM
TJmax = 150°C
TOLERANCES ARE ± 10%.
ALL DIMENSIONS ARE IN
MILS.
Both bonding pads numbered 1, both numbered 2,
and both numbered 3, must be bonded out to the
corresponding functions pin.
• DALLAS, TEXAS 75265
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
absolute maximum ratings over operating free-air temperature (unless otherwise noted)†
Continuous input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 V
Continuous filter trap voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 V
Output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 80 mA
Duration of short-circuit current at (or below) 25°C (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . unlimited
Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table
Operating free-air temperature range, TA: C suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
I suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 40°C to 85°C
M suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 55°C to 125°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: D or P package . . . . . . . . . . . . . . . . . 260°C
Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: JG or LP package . . . . . . . . . . . . . . 300°C
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The output may be shorted to either supply. Temperature and/or supply voltages must be limited to ensure that the maximum dissipation
rating is not exceeded.
DISSIPATION RATING TABLE
TA ≤ 25°C
POWER RATING
DERATING FACTOR
ABOVE TA = 25°C
TA = 70°C
POWER RATING
TA = 85°C
POWER RATING
TA = 125°C
POWER RATING
D
725 mV
5.8 mW/°C
464 mW
377 mW
145 mW
JG
1050 mV
8.4 mW/°C
672 mW
546 mW
210 mW
LP
775 mV
6.2 mW/°C
496 mW
403 mW
155 mW
P
1000 mV
8.0 mW/°C
640 mW
520 mW
200 mW
PACKAGE
recommended operating conditions
C SUFFIX
I SUFFIX
M SUFFIX
MIN
MAX
MIN
MAX
MIN
Input voltage, VI
4
40
4
40
4
40
V
Operating free-air temperature, TA
0
70
– 40
85
– 55
125
°C
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
MAX
UNIT
3
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
electrical characteristics at specified free-air temperature, VI = 5 V, IO = 0 (unless otherwise noted)
PARAMETER
Output voltage
TEST CONDITIONS
VI = 4 V
VI = 5 V
25°C
VI = 40 V
VI = 5 V
Full range
Temperature coefficient of output voltage
VI = 5 V
VI = 4 to 40 V
Supply current
No load
Output
O
t t voltage
lt
regulation
l ti
(sourcing current)‡
IO = 0 to – 10 mA
IO = 0 to 10 mA
Noise-reduction impedance
Sinking current,
VO = 5 V
VO = 0
Sourcing current,
CNR = 0
f = 10 Hz to 10 kHz
0 1%
VO to 0.1%,
CNR = 1 µF
IO = ± 10 mA
Output voltage current step response
VO to 0
0.01%,
01% IO = ± 10 mA
Step response
VI = 0 to 5 V, VO to 0.1%
VI = 0 to 5 V, VO to 0.01%
CL = 0
CL = 100 pF
CL = 0
CL = 100 pF
CL = 100 pF
† Full range is 0°C to 70°C.
‡ The listed values are not production tested.
4
POST OFFICE BOX 655303
MAX
1.98
2
2.02
2.48
2.5
2.52
19.8
20
20.2
2.475
25
25°C
170
Full range
• DALLAS, TEXAS 75265
300
400
– 45
± 250
± 450
25°C
15
± 160
± 250
25°C
65
± 235
25°C
7.5
22.5
25°C
110
25°C
25°C
25°C
26
– 47
120
30
µA
± 160
– 150
25°C
V
ppm/°C
25°C
25°C
UNIT
2.525
Full range
Output impedance
Output noise voltage
voltage, rms
TYP
Full range
IO = 0 to 20 mA
Short circuit current
Short-circuit
TLE2426C
MIN
Full range
25°C
IO = 0 to – 20 mA
Output
O
t t voltage
lt
regulation
l ti
(sinking current)‡
TA†
µV
µV
mΩ
kΩ
mA
µV
290
275
400
µs
390
20
160
µs
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
electrical characteristics at specified free-air temperature, VI = 12 V, IO = 0 (unless otherwise noted)
PARAMETER
Output voltage
TEST CONDITIONS
VI = 4 V
VI = 12 V
25°C
VI = 40 V
VI = 12 V
Full range
Temperature coefficient of output voltage
VI = 12 V
VI = 4 to 40 V
Supply current
No load
Output
O
t t voltage
lt
regulation
l ti
(sourcing current)‡
IO = 0 to – 10 mA
IO = 0 to 10 mA
Noise-reduction impedance
Sinking current,
VO = 12 V
VO = 0
Sourcing current,
CNR = 0
f = 10 Hz to 10 kHz
0 1%
VO to 0.1%,
CNR = 1 µF
IO = ± 10 mA
Output voltage current step response
VO to 0
0.01%,
01% IO = ± 10 mA
Step response
MAX
1.98
2
2.02
5.95
6
6.05
19.8
20
20.2
5.945
35
25°C
195
Full range
VI = 0 to 12 V, VO to 0.1%
VI = 0 to 12 V, VO to 0.01%
CL = 0
CL = 100 pF
CL = 0
CL = 100 pF
CL = 100 pF
300
400
– 45
± 250
± 450
25°C
15
± 160
± 250
25°C
65
± 235
25°C
7.5
22.5
25°C
110
25°C
25°C
25°C
31
– 70
120
30
µA
± 160
– 150
25°C
V
ppm/°C
25°C
25°C
UNIT
6.055
Full range
Output impedance
Output noise voltage
voltage, rms
TYP
Full range
IO = 0 to 20 mA
Short circuit current
Short-circuit
TLE2426C
MIN
Full range
25°C
IO = 0 to – 20 mA
Output
O
t t voltage
lt
regulation
l ti
(sinking current)‡
TA†
µV
µV
mΩ
kΩ
mA
µV
290
275
400
µs
390
20
120
µs
† Full range is 0°C to 70°C.
‡ The listed values are not production tested.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
5
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
electrical characteristics at specified free-air temperature, VI = 5 V, IO = 0 (unless otherwise noted)
PARAMETER
Output voltage
TEST CONDITIONS
VI = 4 V
VI = 5 V
25°C
VI = 40 V
VI = 5 V
Full range
Temperature coefficient of output voltage
VI = 5 V
VI = 4 to 40 V
Supply current
No load
Output
O
t t voltage
lt
regulation
l ti
(sourcing current)‡
IO = 0 to – 10 mA
Output
O
t t voltage
lt
regulation
l ti
(sinking current)‡
TA†
TLE2426I
MIN
TYP
MAX
1.98
2
2.02
2.48
2.5
2.52
19.8
20
20.2
2.47
25
25°C
170
Full range
IO = 0 to 8 mA
IO = 0 to 20 mA
ppm/°C
300
400
– 45
25°C
– 150
± 450
25°C
15
± 160
± 250
Full range
25°C
65
± 235
Output impedance
25°C
7.5
22.5
Noise-reduction impedance
25°C
110
Short circuit current
Short-circuit
Output noise voltage
voltage, rms
Sinking current,
VO = 5 V
VO = 0
Sourcing current,
CNR = 0
f = 10 Hz to 10 kHz
VO to 0.1%,
0 1%
CNR = 1 µF
IO = ± 10 mA
Output voltage current step response
VO to 0
0.01%,
01% IO = ± 10 mA
Step response
VI = 0 to 5 V,
VI = 0 to 5 V,
VO to 0.1%
VO to 0.01%
CL = 0
CL = 100 pF
CL = 0
CL = 100 pF
CL = 100 pF
† Full range is – 40°C to 85°C.
‡ The listed values are not production tested.
6
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
25°C
25°C
25°C
25°C
25°C
26
– 47
120
30
µA
± 160
± 250
Full range
IO = 0 to – 20 mA
IO = 0 to 10 mA
V
2.53
Full range
25°C
UNIT
µV
µV
mΩ
kΩ
mA
µV
290
275
400
µs
390
20
160
µs
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
electrical characteristics at specified free-air temperature, VI = 12 V, IO = 0 (unless otherwise noted)
PARAMETER
Output voltage
TEST CONDITIONS
VI = 4 V
VI = 12 V
25°C
VI = 40 V
VI = 12 V
Full range
Temperature coefficient of output voltage
VI = 12 V
VI = 4 to 40 V
Supply current
No load
Output
O
t t voltage
lt
regulation
l ti
(sourcing current)‡
IO = 0 to – 10 mA
Output
O
t t voltage
lt
regulation
l ti
(sinking current)‡
IO = 0 to 8 mA
IO = 0 to 20 mA
VO = 12 V
VO = 0
Sourcing current,
CNR = 0
f = 10 Hz to 10 kHz
CNR = 1 µF
IO = ± 10 mA
Output voltage current step response
VO to 0
0.01%,
01% IO = ± 10 mA
Step response
MAX
1.98
2
2.02
5.95
6
6.05
19.8
20
20.2
5.935
35
25°C
195
Full range
VI = 0 to 12 V, VO to 0.1%
VI = 0 to 12 V, VO to 0.01%
CL = 0
CL = 100 pF
CL = 0
CL = 100 pF
CL = 100 pF
300
400
– 45
± 250
± 450
25°C
15
± 160
± 250
25°C
65
± 235
25°C
7.5
22.5
25°C
110
25°C
25°C
25°C
31
– 70
120
30
µA
± 160
– 150
25°C
V
ppm/°C
25°C
25°C
UNIT
6.065
Full range
Sinking current,
0 1%
VO to 0.1%,
TYP
Full range
IO = 0 to – 20 mA
IO = 0 to 10 mA
Noise-reduction impedance
Output noise voltage
voltage, rms
TLE2426I
MIN
Full range
25°C
Output impedance
Short circuit current
Short-circuit
TA†
µV
µV
mΩ
kΩ
mA
µV
290
275
400
µs
390
20
120
µs
† Full range is – 40°C to 85°C.
‡ The listed values are not production tested.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
7
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
electrical characteristics at specified free-air temperature, VI = 5 V, IO = 0 (unless otherwise noted)
PARAMETER
Output voltage
TEST CONDITIONS
VI = 4 V
VI = 5 V
25°C
VI = 40 V
VI = 5 V
Full range
Temperature coefficient of output voltage
VI = 5 V
VI = 4 to 40 V
Supply current
No load
Output
O
t t voltage
lt
regulation
l ti
(sourcing current)‡
IO = 0 to – 10 mA
Output
O
t t voltage
lt
regulation
l ti
(sinking current)‡
IO = 0 to 3 mA
IO = 0 to 20 mA
VO = 5 V
VO = 0
Sourcing current,
CNR = 0
f = 10 Hz to 10 kHz
CNR = 1 µF
IO = ± 10 mA
Output voltage current step response
VO to 0
0.01%,
01% IO = ± 10 mA
Step response
VI = 0 to 5 V,
VI = 0 to 5 V,
VO to 0.1%
VO to 0.01%
CL = 0
CL = 100 pF
CL = 0
CL = 100 pF
CL = 100 pF
† Full range is – 55°C to 125°C.
‡ The listed values are not production tested.
8
POST OFFICE BOX 655303
MAX
1.98
2
2.02
2.48
2.5
2.52
19.8
20
20.2
2.465
25
25°C
170
Full range
• DALLAS, TEXAS 75265
300
400
– 45
± 250
± 450
25°C
15
± 160
± 250
25°C
65
± 235
25°C
7.5
22.5
25°C
110
25°C
25°C
25°C
26
– 47
120
30
µA
± 160
– 150
25°C
V
ppm/°C
25°C
25°C
UNIT
2.535
Full range
Sinking current,
0 1%
VO to 0.1%,
TYP
Full range
IO = 0 to – 20 mA
IO = 0 to 10 mA
Noise-reduction impedance
Output noise voltage
voltage, rms
TLE2426M
MIN
Full range
25°C
Output impedance
Short circuit current
Short-circuit
TA†
µV
µV
mΩ
kΩ
mA
µV
290
275
400
µs
390
20
120
µs
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
electrical characteristics at specified free-air temperature, VI = 12 V, IO = 0 (unless otherwise noted)
PARAMETER
Output voltage
TEST CONDITIONS
VI = 4 V
VI = 12 V
25°C
VI = 40 V
VI = 12 V
Full range
Temperature coefficient of output voltage
VI = 12 V
VI = 4 to 40 V
Supply current
No load
Output
O
t t voltage
lt
regulation
l ti
(sourcing current)‡
IO = 0 to – 10 mA
Output
O
t t voltage
lt
regulation
l ti
(sinking current)‡
IO = 0 to 8 mA
IO = 0 to 20 mA
VO = 12 V
VO = 0
Sourcing current,
CNR = 0
f = 10 Hz to 10 kHz
CNR = 1 µF
IO = ± 10 mA
Output voltage current step response
VO to 0
0.01%,
01% IO = ± 10 mA
Step response
MAX
1.98
2
2.02
5.95
6
6.05
19.8
20
20.2
5.925
35
25°C
195
Full range
VI = 0 to 12 V, VO to 0.1%
VI = 0 to 12 V, VO to 0.01%
CL = 0
CL = 100 pF
CL = 0
CL = 100 pF
CL = 100 pF
250
350
– 45
± 250
± 450
25°C
15
± 160
± 250
25°C
65
± 235
25°C
7.5
22.5
25°C
110
25°C
25°C
25°C
31
– 70
120
30
µA
± 160
– 150
25°C
V
ppm/°C
25°C
25°C
UNIT
6.075
Full range
Sinking current,
0 1%
VO to 0.1%,
TYP
Full range
IO = 0 to – 20 mA
IO = 0 to 10 mA
Noise-reduction impedance
Output noise voltage
voltage, rms
TLE2426M
MIN
Full range
25°C
Output impedance
Short circuit current
Short-circuit
TA†
µV
µV
mΩ
kΩ
mA
µV
290
275
400
µs
390
12
120
µs
† Full range is – 55°C to 125°C.
‡ The listed values are not production tested.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
9
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
electrical characteristics at specified free-air temperature, VI = 5 V, IO = 0, TA = 25°C (unless
otherwise noted)
PARAMETER
Output voltage
TEST CONDITIONS
TLE2426Y
MIN
VI = 5 V
No load
Supply current
Output voltage regulation (sourcing current)†
IO = 0 to – 10 mA
IO = 0 to – 20 mA
Output voltage regulation (sinking current)†
IO = 0 to 10 mA
IO = 0 to 20 mA
TYP
MAX
UNIT
2.5
V
170
µA
– 45
µV
– 150
15
µV
65
Output impedance
7.5
mΩ
Noise-reduction impedance
110
kΩ
Short circuit current
Short-circuit
Output noise voltage
voltage, rms
Sinking current,
Sourcing current,
VO = 5 V
VO = 0
– 47
CNR = 0
120
f = 10 Hz to 10 kHz
IO = ± 10 mA
VO to 0.1%,
0 1%
Output voltage current step response
Step response
VO to 0
0.01%,
01%
IO = ± 10 mA
VI = 0 to 5 V,
VI = 0 to 5 V,
VO to 0.1%
VO to 0.01%
26
CNR = 1 µF
mA
µV
30
CL = 0
290
CL = 100 pF
275
CL = 0
400
CL = 100 pF
390
µs
20
CL = 100 pF
µs
160
† The listed values are not production tested.
electrical characteristics at specified free-air temperature, VI = 12 V, IO = 0, TA = 25°C (unless
otherwise noted)
PARAMETER
Output voltage
Supply current
TLE2426Y
TEST CONDITIONS
MIN
VI = 12 V
No load
Output voltage regulation (sourcing current)†
IO = 0 to – 10 mA
IO = 0 to – 20 mA
Output voltage regulation (sinking current)†
IO = 0 to 3 mA
IO = 0 to 20 mA
TYP
MAX
UNIT
6
V
195
µA
– 45
– 150
15
65
µV
µV
Output impedance
7.5
mΩ
Noise-reduction impedance
110
kΩ
Short circuit current
Short-circuit
Output noise voltage
voltage, rms
Sinking current,
Sourcing current,
f = 10 Hz to 10 kHZ
IO = ± 10 mA
VO to 0.1%,
0 1%
current step response
Output voltage current,
Step response
VO to 0
0.01%,
01%
IO = ± 10 mA
VI = 0 to 12 V,
VI = 0 to 12 V,
VO to 0.1%
VO to 0.01%
† The listed values are not production tested.
10
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
VO = 12 V
VO = 0
– 70
CNR = 0
120
CNR = 1 µF
31
30
CL = 0
290
CL = 100 pF
275
CL = 0
400
CL = 100 pF
390
CL = 100 pF
12
120
mA
µV
µs
µs
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
TYPICAL CHARACTERISTICS
Table Of Graphs
FIGURE
Output voltage
Distribution
Output voltage change
vs Free-air temperature
3
Output voltage error
vs Input voltage
4
vs Input voltage
5
vs Free-air temperature
6
Output voltage regulation
vs Output current
7
Output impedance
vs Frequency
8
Input bias current
Short circuit output current
Short-circuit
1,2
vs Input voltage
9,10
vs Free-air temperature
11,12
Ripple rejection
vs Frequency
13
Spectral noise voltage density
vs Frequency
14
Output voltage response to output current step
vs Time
15
Output voltage power-up response
vs Time
16
Output current
vs Load capacitance
17
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
11
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
TYPICAL CHARACTERISTICS†
DISTRIBUTION
OF
OUTPUT VOLTAGE
DISTRIBUTION
OF
OUTPUT VOLTAGE
3
Percentage of Units – %
Percentage of Units – %
2.5
40
98 Units Tested
From 2 Wafer Lots
VI = 5 V
TA = 25°C
2
1.5
1
98 Units Tested
From 2 Wafer Lots
VI = 12 V
TA = 25°C
30
20
10
0.5
0
2.48
0
2.49
2.5
2.51
VO – Output Voltage – V
2.52
6
6.025
6.05
6.075
VO – Output Voltage – V
Figure 2
Figure 1
OUTPUT VOLTAGE ERROR
vs
INPUT VOLTAGE
OUTPUT VOLTAGE CHANGE
vs
FREE-AIR TEMPERATURE
4
150
IO = 0
TA = 25°C
IO = 0
3
75
Output Voltage Error – %
VO – Output Voltage Change – mV
∆V
O
VI = 40 V
VI = 12 V
0
VI = 4 V, 5 V
Error Equals VO / VI Deviation From 50%
2
1
– 75
0
– 150
– 75
–1
– 50
– 25
0
25
50
75
100
125
0
4
TA – Free-Air Temperature – °C
8
12
16
20
24
28
32
VI – Input Voltage – V
Figure 3
Figure 4
† Data at high and low temperatures are applicable within the rated operating free-air temperature ranges of the various devices.
12
6.1
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
36
40
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
TYPICAL CHARACTERISTICS†
INPUT BIAS CURRENT
vs
INPUT VOLTAGE
INPUT BIAS CURRENT
vs
FREE-AIR TEMPERATURE
300
300
IO = 0
VI = 40 V
250
TA = 25°C
IIB
I IB – Input Bias Current – µ A
IIB
I IB – Input Bias Current – µ A
250
200
TA = – 55°C
150
TA = 125°C
100
VI = 12 V
200
VI = 5 V
150
VI = 4 V
100
50
50
IO = 0
0
0
0
5
10
15
20
25
30
35
40
– 75
– 50
VI – Input Voltage – V
Figure 5
125
Figure 6
OUTPUT VOLTAGE REGULATION
vs
OUTPUT CURRENT
OUTPUT IMPEDANCE
vs
FREQUENCY
500
100
VI = 5 V or 12 V
TA = 25°C
Max
10
z o – Output Impedance – Ω
Output Voltage Regulation – µV
0
25
50
75
100
–2 0
TA – Free-Air Temperature – °C
250
Max
Typ
0
Typ
Min
– 250
VI = 5 V or 12 V
IO = 0
TA = 25°C
1
0.1
0.01
Min
– 500
– 20
0.001
0
10
– 10
IO – Output Current – mA
20
10
100
1k
10 k
100 k
1M
f – Frequency – Hz
Figure 7
Figure 8
† Data at high and low temperatures are applicable within the rated operating free-air temperature ranges of the various devices.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
13
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
TYPICAL CHARACTERISTICS†
SHORT-CIRCUIT OUTPUT CURRENT
vs
INPUT VOLTAGE
SHORT-CIRCUIT OUTPUT CURRENT
vs
INPUT VOLTAGE
40
VO = GND
(Output Sourcing)
IIOS
OS – Short-Circuit Output Current – mA
IOS
I OS – Short-Circuit Output Current – mA
0
– 20
– 40
TA = – 55°C
– 60
TA = 125°C
TA = 25°C
TA = 25°C
TA = – 55°C
30
TA = 125°C
20
10
VO = VI
(Output Sinking)
0
– 80
0
5
10
15
20
25
30
35
0
40
5
10
15
Figure 9
VI = 40 V
VO = GND
(Output Sourcing)
VI = 4 V
– 20
– 30
VI = 5 V
– 40
– 50
VI = 12 V
– 60
– 70
VI = 40 V
– 50
– 25
0
25
50
75
100
125
IIOS
OS – Short-Circuit Output Current – mA
IIOS
OS – Short-Circuit Output Current – mA
40
40
VI = 12 V
30
VI = 5 V
VI = 4 V
20
10
VO = VI
(Output Sinking)
0
– 75
– 50
TA – Free-Air Temperature – °C
– 25
0
25
50
75
TA – Free-Air Temperature – °C
Figure 12
Figure 11
† Data at high and low temperatures are applicable within the rated operating free-air temperature ranges of the various devices.
14
35
SHORT-CIRCUIT OUTPUT CURRENT
vs
FREE-AIR TEMPERATURE
0
– 80
– 75
30
25
Figure 10
SHORT-CIRCUIT OUTPUT CURRENT
vs
FREE-AIR TEMPERATURE
– 10
20
VI – Input Voltage – V
VI – Input Voltage – V
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
100
125
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
TYPICAL CHARACTERISTICS
RIPPLE REJECTION
vs
FREQUENCY
SPECTRAL NOISE VOLTAGE DENSITY
vs
FREQUENCY
400
90
Ripple Rejection – dB
80
VI = 5 V or 12 V
∆VI(PP) = 1 V
IO = 0
TA = 25°C
Vn – Spectral Noise Voltage Density – nV/ Hz
100
CNR = 1 µF
70
60
50
40
30
20
CNR = 0
10
VI = 5 V or 12 V
TA = 25°C
300
200
100
CNR = 0
CNR = 1 µF
0
0
10
100
1k
100 k
10 k
10
1
1M
100
1k
f – Frequency – Hz
f – Frequency – Hz
Figure 13
Figure 14
OUTPUT VOLTAGE RESPONSE
TO OUTPUT CURRENT STEP
10 k
OUTPUT VOLTAGE POWER-UP RESPONSE
3
1.5 V
0.1%
3
0.1%
VI = 5 V
CL = 100 pF
TA = 25°C
Output Voltage Response
2
1
0.01%
0
0.01%
–1
–2
10 mA
–3
IO Step
0.01%
2.5
VV)
O – Output Voltage – V
4
∆V
VO
O – Change In Output Voltage – mV
100 k
0.1%
2
1.5
IO = 0
CL = 100 pF
TA = 25°C
1
0.5
0
5
Input Voltage Step
–4
– 10 mA
–1.5 V
0
1000
2000
3000
0
0
4000
Time – µs
50
100
150
200
Time – µs
Figure 16
Figure 15
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
15
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
TYPICAL CHARACTERISTICS
STABILITY RANGE
OUTPUT CURRENT
vs
LOAD CAPACITANCE
20
15
VI = 5 V
TA = 25°C
Unstable
I O – Output Current – mA
10
5
0
Stable
–5
– 10
– 15
– 20
10 – 6 10 – 5 10 – 4 10 – 3 10 – 2 10 – 1 10 0
CL– Load Capacitance – mF
Figure 17
16
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
10 1
10 2
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
MACROMODEL INFORMATION
*
*
*
*
TLE2426 OPERATIONAL AMPLIFIER “MACROMODEL” SUBCIRCUIT
CREATED USING PARTS RELEASE 4.03 0N 08/21/90 AT 13:51
REV (N/A)
SUPPLY VOLTAGE: 5 V
CONNECTIONS:
FILTER
| INPUT
*
| | COMMON
*
| | | OUTPUT
*
| | | |
.SUBCKT TLE2426
1 3 4 5
C1
C2
C3
CPSR
DCM +
DCM –
DC
DE
DLP
DLN
DP
ECMR
EGND
EPSR
ENSE
FB
GA
GCM
GPSR
GRC1
GRC2
GRE1
GRE2
HLIM
HCMR
IRP
IEE
IIO
I1
Q1
Q2
R2
RCM
REE
RN1
RN2
RO1
RO2
VCM +
VCM –
VB
VC
VE
VLIM
VLP
VLN
VPSR
RFB
RIN1
RIN2
.MODEL DX
.MODEL QX
.ENDS
11 12 21.66E–12
6 7 30.00E–12
87 0 10.64E–9
85 86 15.9E–9
81 82 DX
83 81 DX
5 53 DX
54 5 DX
90 91 DX
92 90 DX
4 3 DX
84 99 (2,99) 1
99 0 POLY(2)
(3,0) (4,0) 0 .5 .5
85 0 POLY(1)
(3,4) –16.22E – 6 3.24E – 6
89 2 POLY(1)
(88,0) 120E – 6 1
7 99 POLY(6)
VB VC VE VLP VLN VPSR 0 74.8E6 – 10E6 10E6
6 0 11 12 320.4E – 6
0 6 10 99 1.013E – 9
85 86 (85,86)
100E – 6
4 11 (4,11) 3.204E – 4
4 12 (4,12) 3.204E – 4
13 10 (13,10)
1.038E – 3
14 10 (14,10)
1.038E – 3
90 0 VLIM
1K
80 1 POLY(2)
VCM+
VCM – 0 1E2
1E2
3 4 146E – 6
3 10 DC 24.05E – 6
2 0 .2E – 9
88 0 1E – 21
11 89 13 QX
12 80 14 QX
6 9 100.0E3
84 81 1K
10 99 8.316E6
87 0 2.55E8
87 88 11.67E3
8 5 63
7 99 62
82 99 1.0
83 99 – 2.3
9 0 DC 0
3 53 DC 1.400
54 4 DC 1.400
7 8 DC 0
91 0 DC 30
0 92 DC 30
0 86 DC 0
5 2 1K
3 1 220K
1 4 220K
D(IS=800.OE–18)
PNP(IS=800.OE– 18 BF=480)
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
10E6
– 10E6 74E6
17
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
MECHANICAL INFORMATION
D (R-PDSO-G**)
PLASTIC SMALL-OUTLINE PACKAGE
14 PIN SHOWN
0.050 (1,27)
0.020 (0,51)
0.014 (0,35)
14
0.010 (0,25) M
8
0.008 (0,20) NOM
0.244 (6,20)
0.228 (5,80)
0.157 (4,00)
0.150 (3,81)
Gage Plane
0.010 (0,25)
1
7
0°– 8°
A
0.044 (1,12)
0.016 (0,40)
Seating Plane
0.069 (1,75) MAX
0.010 (0,25)
0.004 (0,10)
PINS **
0.004 (0,10)
8
14
16
A MAX
0.197
(5,00)
0.344
(8,75)
0.394
(10,00)
A MIN
0.189
(4,80)
0.337
(8,55)
0.386
(9,80)
DIM
4040047 / D 10/96
NOTES: A.
B.
C.
D.
18
All linear dimensions are in inches (millimeters).
This drawing is subject to change without notice.
Body dimensions do not include mold flash or protrusion, not to exceed 0.006 (0,15).
Falls within JEDEC MS-012
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
MECHANICAL INFORMATION
JG (R-GDIP-T8)
CERAMIC DUAL-IN-LINE PACKAGE
0.400 (10,20)
0.355 (9,00)
8
5
0.280 (7,11)
0.245 (6,22)
1
4
0.065 (1,65)
0.045 (1,14)
0.310 (7,87)
0.290 (7,37)
0.020 (0,51) MIN
0.200 (5,08) MAX
Seating Plane
0.130 (3,30) MIN
0.063 (1,60)
0.015 (0,38)
0.100 (2,54)
0°–15°
0.023 (0,58)
0.015 (0,38)
0.014 (0,36)
0.008 (0,20)
4040107/C 08/96
NOTES: A.
B.
C.
D.
E.
All linear dimensions are in inches (millimeters).
This drawing is subject to change without notice.
This package can be hermetically sealed with a ceramic lid using glass frit.
Index point is provided on cap for terminal identification only on press ceramic glass frit seal only.
Falls within MIL-STD-1835 GDIP1-T8
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
19
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
MECHANICAL INFORMATION
LP (O-PBCY-W3)
PLASTIC CYLINDRICAL PACKAGE
0.022 (0,56)
Wide
0.016 (0,41)
0.016 (0,41)
Thick
0.014 (0,35)
0.165 (4,19)
0.125 (3,17)
3 Leads
0.105 (2,67)
0.080 (2,03)
Seating Plane
0.055 (1,40)
0.045 (1,14)
0.105 (2,67)
0.095 (2,41)
0.050 (1,27)
(see Note C)
0.135 (3,43) MIN
3
0.205 (5,21)
DIA
0.175 (4,44)
2
1
0.210 (5,34)
0.170 (4,32)
0.500 (12,70) MIN
0.105 (2,67)
0.080 (2,03)
4040001 / B 01/95
NOTES: A.
B.
C.
D.
20
All linear dimensions are in inches (millimeters).
This drawing is subject to change without notice.
Lead dimensions are not controlled within this area.
Falls within JEDEC TO-226AA (TO-226AA replaces TO-92)
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
TLE2426, TLE2426Y
THE “RAIL SPLITTER”
PRECISION VIRTUAL GROUND
SLOS098D – AUGUST 1991 – REVISED MAY 1998
MECHANICAL INFORMATION
P (R-PDIP-T8)
PLASTIC DUAL-IN-LINE PACKAGE
0.400 (10,60)
0.355 (9,02)
8
5
0.260 (6,60)
0.240 (6,10)
1
4
0.070 (1,78) MAX
0.310 (7,87)
0.290 (7,37)
0.020 (0,51) MIN
0.200 (5,08) MAX
Seating Plane
0.125 (3,18) MIN
0.100 (2,54)
0.021 (0,53)
0.015 (0,38)
0°– 15°
0.010 (0,25) M
0.010 (0,25) NOM
4040082 / B 03/95
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. Falls within JEDEC MS-001
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
21
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