IDTQS4A101
HIGH-PERFORMANCE CMOS ANALOG FOUR-CHANNEL SPST SWITCH
INDUSTRIAL TEMPERATURE RANGE
QUICKSWITCH® PRODUCTS
HIGH-PERFORMANCE CMOS ANALOG
FOUR-CHANNEL SPST SWITCH
WITH INDIVIDUAL ENABLES
FEATURES:
•
•
•
•
•
•
•
•
•
•
DESCRIPTION:
Ω
Low ON resistance: r DS(ON) = 5Ω
Wide bandwidth: 1.4GHz (-3dB point)
Crosstalk: 122dB at 50KHz, -80dB at 5MHz, -65dB at 30MHz
Off-isolation: -100dB at 50KHz, -75dB at 5MHz, -45dB at
30MHz
Single 5V supply
Bidirectional signal flow
TTL-compatible control inputs
μA
Ultra-low quiescent current: 3μ
Switch turn on time of 6.5ns
Available in QSOP package
The QS4A101 is a high-performance CMOS analog four-channel SPST
switch with individual enables. This device provides a set of four high-speed
CMOS switches connecting inputs to outputs. The low ON resistance of the
QS4A101 allows inputs to be connected to outputs with low insertion loss and
high bandwidth.
The QS4A101, with 1.4GHz bandwidth, is ideal for high-performance
video signal switching, audio signal switching, and telecomm routing
applications. Low power dissipation makes this device ideal for battery
operated and remote instrumentation applications.
The QS4A101 is offered in the QSOP package which has several
advantages over conventional packages such as PDIP and SOIC, including:
• Reduced signal delays due to denser component packaging on circuit
boards
• Reduced system noise due to less pin inductance
APPLICATIONS:
•
•
•
•
•
•
•
IDTQS4A101
High-speed video signal switching/routing
Audio signal switching/routing
Data acquisition
ATE systems
Telecomm routing
Token Ring transceivers
High-speed networking
The QS4A101 is characterized for operation at -40°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
A1
B1
A2
B2
A3
B3
A4
B4
E1
E2
E3
CO NTRO L
L O G IC
E4
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2014 Integrated Device Technology, Inc.
APRIL 2014
1
DSC-5552/3
IDTQS4A101
HIGH-PERFORMANCE CMOS ANALOG FOUR-CHANNEL SPST SWITCH
INDUSTRIAL TEMPERATURE RANGE
ABSOLUTE MAXIMUM RATINGS(1)
PIN CONFIGURATION
Symbol
Description
VTERM(2)
Max
Unit
VTERM(3)
Supply Voltage to Ground
–0.5 to +7
V
DC Switch Voltage VS
–0.5 to +7
V
NC
1
16
V CC
E1
2
15
—
Analog Input Voltage
–0.5 to +7
V
E4
VTERM(3)
DC Input Voltage VIN
–0.5 to +7
V
A1
3
14
A4
VAC
AC Input Voltage (pulse width ≤20ns)
–3
V
IOUT
DC Output Current
120
mA
PMAX
Maximum Power Dissipation
0.7
W
TSTG
Storage Temperature
–65 to +150
°C
B1
4
13
B4
E2
5
12
E3
A2
6
11
A3
B2
7
10
B3
GND
8
9
NC
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
permanent damage to the device. This is a stress rating only and functional operation
of the device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
2. VCC terminals.
3. All terminals except VCC .
QSOP
TOP VIEW
PIN DESCRIPTION
Pin Names
I/O
Description
A1 -A4
I/O
Port A
B1 -B4
I/O
Port B
E1 -E4
I
Port Switch Enable
FUNCTION TABLE(1)
E
A
B
L
H
H
Connect
Function
L
L
L
Connect
H
X
X
Disconnect
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't Care
POWER SUPPLY CHARACTERISTICS
Symbol
ICC
Parameter
Supply Current
Test Conditions
VCC = Max., VIN = GND or VCC
2
Max.
Unit
3
μA
IDTQS4A101
HIGH-PERFORMANCE CMOS ANALOG FOUR-CHANNEL SPST SWITCH
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Industrial: TA = –40°C to +85°C, VCC = 5V ± 5%
Symbol
Parameter
Test Conditions
Min.
Typ.(1) Max.
Unit
Analog Switch
VIN
Analog Signal Range(2)
rDS(ON)
Drain-source ON resistance(2,3)
IC(OFF)
Channel Off Leakage Current
IC(ON)
Channel On Leakage Current
-0.5
1
Vcc - 1
V
—
5
7
Ω
Vcc = Min., VIN = 2.4V, ION = 15mA
—
13
17
A = Vcc or 0V, B = 0V or Vcc, E = Vcc
—
1
—
nA
A = B = 0V
—
1
—
nA
Vcc = Min., VIN = 0V, ION = 30mA
(each channel is turned on sequentially)
Digital Control
VIH
Input HIGH Voltage
Guaranteed Logic HIGH for Control Pins
2
—
—
V
VIL
Input LOW Voltage
Guaranteed Logic LOW for Control Pins
—
—
0.8
V
Enable Turn-On Time
RL = 1KΩ, CL = 100pF
0.5
—
6.5
ns
E to A, B
(See Switching Time)
0.5
—
6
ns
Dynamic Characteristics
tON(E)
tOFF(E)
Enable Turn-Off Time
RL = 1KΩ, CL = 100pF
E to A, B
(See Switching Time)
tPD
Group Delay(2,4a)
RL = 1KΩ, CL = 100pF
—
—
250
ps
f3dB
-3dB Bandwidth
VIN = 0 to 1V, 1Vp-p, RL = 75Ω
—
1.4
—
GHz
Off-isolation
VIN = 0 to 1V, 1Vp-p, RL = 75Ω, f = 5.5MHz
—
-80
—
dB
XTALK
Crosstalk
VIN = 0 to 1V, 1Vp-p, RL = 75Ω, f = 30MHz
—
-75
—
dB
C(OFF)
Switch Off Capacitance
E = Vcc, VIN = VOUT = 0V
—
5
—
pF
C(ON)
Switch On Capacitance
E = 0V, VIN = VOUT = 0V
—
10
—
pF
—
1.5
—
pC
QCI
Charge Injection
NOTES:
1. Typical values are at VCC = 5.0V, TA = 25°C.
2. Max value is guaranteed but not production tested.
3. Measured by voltage drop between A and C pins at indicated current through the switch ON resistance is determined by the lower of the voltages on the two (A, B)
pins.
4. The bus switch contributes no group delay other than the RC delay of the ON resistance of the switch and load capacitance. Group delay of the bus switch, when
used in a system, is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side.
3
IDTQS4A101
HIGH-PERFORMANCE CMOS ANALOG FOUR-CHANNEL SPST SWITCH
INDUSTRIAL TEMPERATURE RANGE
TYPICAL CHARACTERISTICS
60
180
VCC = 5V
RL = 75Ω
150
50
120
40
Crosstalk
(dB)
(dB )
V C C = 5V
R L = 75 Ω
90
30
Crosstalk
Off-isolation
60
20
30
10
0
1K
10K
100K
1M
10M
100M
1G
Off-isolation
0
100M
10G
200M
Freq uen cy (H z)
Off-isolation and Crosstalk vs. Frequency
300M 400M
500M
Frequency (Hz)
600M
700M
Off-isolation and Crosstalk vs. Frequency
NOTES:
1. Crosstalk = 20 log |VO/VS|
2. Off-isolation = 20 log |VO/VS|
NOTES:
1. Crosstalk = 20 log |VO/VS|
2. Off-isolation = 20 log |VO/VS|
2
160
VCC = 5V
RL = 75Ω
1
140
Crosstalk
0
(dB)
120
1
100
RL = 75Ω
Off-isolation
(dB)
80
2
3
60
40
10K
4
20K
30K
40K
50K
60K
70K
Frequency (Hz)
5
VCC = 5V
Off-isolation and Crosstalk vs. Frequency
6
1K
NOTES:
1. Crosstalk = 20 log |VO/VS|
2. Off-isolation = 20 log |VO/VS|
10K
100K
1M
10M
100M
Frequency (Hz)
Insertion Loss vs. Frequency
NOTE:
1. Insertion Loss = 20 log |VO/VS|
4
1G
10G
IDTQS4A101
HIGH-PERFORMANCE CMOS ANALOG FOUR-CHANNEL SPST SWITCH
INDUSTRIAL TEMPERATURE RANGE
TYPICAL CHARACTERISTICS (CONTINUED)
18
1
16
r DS (On) - Drain Source On-resistance(Ω )
2
(dB )
0
R L = 75 Ω
1
2
V CC = 5V
3
100M
200M
300M
400M
500M
600M
700M
Frequency (Hz)
Insertion Loss vs. Frequency
14
12
VCC = 4.75V
10
8
6
4
0.0
NOTE:
1. Insertion Loss = 20 log |VO/VS|
0.5
1.0
1.5
2.0
2.5
3.0
VIN (Volts)
RON LINK
On-Resistance vs. VIN
TEST CIRCUITS
5V
3.0V
CONTROL
Vcc
1.5V
INPUT
A1-A3
0V
B1-B3
5V
0.3V
E1-E3
OUTPUT
A4
5V
t OFF(E)
QS4A101
V IN
E4
50 Ω
3.0V
CONTROL
1.5V
INPUT
GND
B4
500 Ω
50 pF
Switching Time
5
0V
t ON(E)
VOUT
OUTPUT
0.3V
IDTQS4A101
HIGH-PERFORMANCE CMOS ANALOG FOUR-CHANNEL SPST SWITCH
INDUSTRIAL TEMPERATURE RANGE
TEST CIRCUITS (CONTINUED)
5V
5V
VCC
VS
A4
A1
VOUT
B4
VS
RL =
75Ω
QS4A101
VCC
A2
A3
RL =
75Ω
A4
QS4A101
5V
5V
E1
E2
E2
E3
E3
E4
E4
GND
E1
Insertion Loss
NOTES:
1. Crosstalk = 20 log |VO/VS|
2. All unused pins are grounded.
5V
VS
A1
VCC
A2
B1
A3
A4
VOUT
RL =
75Ω
QS4A101
5V
E1
B2
E2
B3
E3
E4
GND
GND
Crosstalk
NOTES:
1. Insertion Loss = 20 log |VO/VS|
2. All unused pins are grounded.
B4
Off-Isolation
NOTE:
1. Off-isolation = 20 log |VO/VS|
6
VOUT
B1
IDTQS4A101
HIGH-PERFORMANCE CMOS ANALOG FOUR-CHANNEL SPST SWITCH
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
QS
XXXXX
XX
Device Type Package
X
Blank
8
Tube or Tray
Tape and Reel
QG
Quarter Size Outline Package - QSOP Green
4A101
High Performance CMOS Analog Four-Channel
SPST Switch with Individual Enables
DATASHEET DOCUMENT HISTORY
04/13/2014
Pg. 7
Updated the Ordering Information by removing non green package version and Adding Tape and Reel information.
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7
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