APPLICATION NOTE
REPLACEMENT PART REFERENCE GUIDE, DAT-31R5-PP+:
ORIGINAL PART:
REPLACEMENT PART:
AN-70-008
DAT-31R5-PP+
DAT-31R5A-PP+
Replacement Part has been judged by Mini-Circuits Engineering as a suitable replacement to Original Parta
MECHANICAL DIMENSIONS & PCB LAND PATTERN
ORIGINAL PART: DAT-31R5-PP+
REPLACEMENT PART: DAT-31R5A-PP+
Case Style: DG983-1
Case Style: DG983-2 (minor dimensional changes as below)
Inches (mm)
C
.035
(0.90)
E
.081
(2.06)
F
.081
(2.06)
inches (mm)
G
.010
(0.25)
C
.033
(0.85)
E
.085
(2.15)
F
.085
(2.15)
G
.009
(0.23)
Note: Dimensions not shown are same as that in DG983-1
Suggested PCB Land Pattern
K
.020
(0.50)
L
.177
(4.50)
M
.177
(4.50)
N
.081
(2.06)
P
.010
(0.25)
Q
.032
(0.81)
R
.081
(2.06)
Notes:
a. Suitability for model replacement within a particular system must be determined by and is solely the responsibility of the customer based on, among other things, electrical performance criteria,
stimulus conditions, application, compatibility with other components and environmental conditions and stresses.
AN-70-008 Rev : OR (12/29/14) M149445 File: AN70008.doc
This document and its contents are the property of Mini-Circuits.
Sheet 1 of 5
APPLICATION NOTE
CONCLUSION:
1) FORM-FIT-FUNCTIONAL COMPATIBLEa:
Replacement part is Form, Fit compatible.Following is a summary of
changes/improvements:
Parameter
DAT-31R5-PP+
(Original Part)
DAT-31R5A-PP+
(Replacement Part)
Frequency (GHz)
DC-2.4
DC-4
V
DD(V)
+2.7 to +3.3
Control input High (V)
Control input Low (V)
I
DD (µA)
+2.3 to +3.6, usable to +5.2V
0.7V
DD to VDD
0 to 0.3VDD
+1.17 to +3.6
-0.3 to +0.6
100 µA max.
200 µA max.
During turn-on and transition
between attenuation states,
device may draw up to 2mA.
Control Current (µA)
1 max
1 max, except 30μA typ for C0.5, C16, PUP1
and 2μA typ. for LE at +3.6V
Attenuation
Step
Freq
accuracy
(dB)
(GHz)
8
16
Spec max
Spec max
0.5
1-2.4
0.25
2.4-4
Not Specified
0.8
1-2.4
0.3
0.7
2.4-4
Not Specified
1.45
VSWR (:1) (1-2.4 GHz)
1.5 max
1.6 Max
Power-UP: PUP1,PUP2=1 &
31dB
31.5dB
LE=0
Operating Temperature (°C)
-40 to 85
-40 to 105
Storage Temperature(°C)
-55 to 100
-65 to 150
ESD (HBM)
Pass 500V
Pass 1500V
Max Operating Power
Not Specified
From 10 kHz to 50 MHz per Figure 1 (in
Model Data Sheet) and +24 dBm above 50
MHz
Absolute Max input Power
+24
+30
(dBm)
Notes:
a. Suitability for model replacement within a particular system must be determined by and is solely the responsibility of the customer based on, among other things, electrical performance criteria,
stimulus conditions, application, compatibility with other components and environmental conditions and stresses.
AN-70-008 Rev : OR (12/29/14) M149445 File: AN70008.doc
This document and its contents are the property of Mini-Circuits.
Sheet 2 of 5
APPLICATION NOTE
2) TYPICAL PERFORMANCE COMPARISONa:
Parameter
I.Loss(dB)
Step Accuracy
0.5 dB Step (+/-dB)
Step Accuracy
1.0 dB Step (dB)
Step Accuracy
2.0 dB Step (dB)
Step Accuracy
4.0 dB Step (dB)
Step Accuracy
8.0 dB Step (dB)
Step Accuracy
16 dB Step (dB)
Step Accuracy
31.5 dB Step (dB)
Input R.Loss (dB)
Output R.Loss (dB)
Frequency
(GHz)
0.01 to 1
1 to 2.4
2.4 to 4
0.01 to 1
1 to 2.4
2.4 to 4
0.01 to 1
1 to 2.4
2.4 to 4
0.01 to 1
1 to 2.4
2.4 to 4
0.01 to 1
1 to 2.4
2.4 to 4
0.01 to 1
1 to 2.4
2.4 to 4
0.01 to 1
1 to 2.4
2.4 to 4
0.01 to 1
1 to 2.4
2.2 to 4
0.01 to 1
1 to 2.4
2.2 to 4
0.01 to 1
1 to 2.4
2.2 to 4
Original Part
DAT-31R5-PP+
Replacement Part
DAT-31R5A-PP+
Average
1.42
1.77
2.99
0.02
0.01
0.06
0.00
0.00
0.01
0.02
0.06
0.10
0.02
0.03
0.00
0.08
0.08
0.10
0.10
0.08
0.08
0.28
0.88
1.86
17.0
19.3
18.8
17.4
18.94
18.5
Average
1.20
1.46
2.16
0.03
0.04
0.04
0.03
0.04
0.04
0.03
0.05
0.07
0.03
0.07
0.10
0.02
0.13
0.37
0.06
0.23
0.43
0.11
0.18
1.46
18.2
18.5
18.2
18.7
18.7
17.8
Notes:
a. Suitability for model replacement within a particular system must be determined by and is solely the responsibility of the customer based on, among other things, electrical performance criteria,
stimulus conditions, application, compatibility with other components and environmental conditions and stresses.
AN-70-008 Rev : OR (12/29/14) M149445 File: AN70008.doc
This document and its contents are the property of Mini-Circuits.
Sheet 3 of 5
APPLICATION NOTE
3) COMPARISON PERFORMANCE CURVESa(TYPICAL):
Attenuation Accuracy vs. Frequency, 0.5 dB Step
Insertion Loss vs. Frequency
(0 dB/ Reference State)
5.0
DAT-31R5A+ (Replacement)
DAT-31R5+ (Original)
4.0
dB
0.00
3.0
-0.10
B
d
2.0
DAT-31R5A+ (Replacement)
-0.20
DAT-31R5+ (Original)
1.0
0.0
0
1000
2000
MHz
3000
-0.30
4000
0
2000
3000
4000
MHz
Attenuation Accuracy vs. Frequency, 1 dB Step
0.10
1000
0.10
Attenuation Accuracy vs. Frequency, 2dB Step
DAT-31R5A+ (Replacement)
0.00
DAT-31R5+ (Original)
0.00
B
d -0.10
B
d -0.10
DAT-31R5A+ (Replacement)
-0.20
-0.20
DAT-31R5+ (Original)
-0.30
-0.30
0
1000
2000
3000
4000
0
1000
MHz
Attenuation Accuracy vs. Frequency, 4dB Step
B
d
DAT-31R5A+ (Replacement)
0.75
DAT-31R5+ (Original)
0.50
0.00
B
d
-0.10
4000
DAT-31R5A+ (Replacement)
DAT-31R5+ (Original)
0.25
0.00
-0.25
-0.50
-0.20
-0.75
-0.30
-1.00
0
1000
2000
3000
4000
0
1000
MHz
Attenuation Accuracy vs. Frequency, 16 dB Step
2.00
dB
3000
Attenuation Accuracy vs. Frequency, 8dB Step
1.00
0.20
0.10
2000
MHz
1.50
DAT-31R5A+ (Replacement)
1.00
DAT-31R5+ (Original)
3000
4000
Input Return Loss vs. Frequency (Ref. State)
60
DAT-31R5A+ (Replacement Part)
DAT-31R5+ (Original Part)
50
40
0.50
2000
MHz
B
d 30
0.00
-0.50
20
-1.00
10
-1.50
0
-2.00
0
1000
2000
3000
4000
MHz
0
1000
2000
MHz
3000
4000
Note: DAT-31R5+ is same as DAT-31R5-PP+ and
DAT-31R5A+is same as DAT-31R5A-PP+
Notes:
a. Suitability for model replacement within a particular system must be determined by and is solely the responsibility of the customer based on, among other things, electrical performance criteria,
stimulus conditions, application, compatibility with other components and environmental conditions and stresses.
AN-70-008 Rev : OR (12/29/14) M149445 File: AN70008.doc
This document and its contents are the property of Mini-Circuits.
Sheet 4 of 5
APPLICATION NOTE
3) COMPARISON PERFORMANCE CURVESa(TYPICAL) (Continued)
Note: DAT-31R5+ is same as DAT-31R5-PP+ and
DAT-31R5A+is same as DAT-31R5A-PP+
Notes:
a. Suitability for model replacement within a particular system must be determined by and is solely the responsibility of the customer based on, among other things, electrical performance criteria,
stimulus conditions, application, compatibility with other components and environmental conditions and stresses.
AN-70-008 Rev : OR (12/29/14) M149445 File: AN70008.doc
This document and its contents are the property of Mini-Circuits.
Sheet 5 of 5