AN-70-014 - Mini Circuits

APPLICATION NOTE
REPLACEMENT PART REFERENCE GUIDE, DAT-31-PN+:
ORIGINAL PART:
REPLACEMENT PART:
AN-70-014
DAT-31-PN+
DAT-31A-PN+
Replacement Part has been judged by Mini-Circuits Engineering as a suitable replacement to Original Parta
MECHANICAL DIMENSIONS & PCB LAND PATTERN
ORIGINAL PART: DAT-31-PN+
REPLACEMENT PART: DAT-31A-PN+
Case Style: DG983-1
Case Style: DG983-2 (minor dimensional changes as below)
inches (mm)
Inches (mm)
C
E
F
G
.035
.081
.081
.010
(0.90)
(2.06)
(2.06)
(0.25)
C
E
F
G
.033
.085
.085
.009
(0.85)
(2.15)
(2.15)
(0.23)
Note: Dimensions not shown are same as that in DG983-1
Suggested PCB Land Pattern
K
L
M
N
P
Q
R
.020
.177
.177
.081
.010
.032
.081
(0.50)
(4.50)
(4.50)
(2.06)
(0.25)
(0.81)
(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-70-014 Rev : OR (12/29/14) M149445 File: AN70014.doc
This document and its contents are the property of Mini-Circuits.
Sheet 1 of 4
APPLICATION NOTE
CONCLUSION:
1) FORM-FIT-FUNCTIONAL COMPATIBLE:
Replacement part is Form, Fit compatible.Following is a summary of changes/improvements:
Parameter
Frequency (GHz)
DD(V)
VSS(V)
V
DAT-31A-PN+
(Replacement Part)
DC-2.4
DC-4
+2.7 to +3.3
+2.3 to +3.6, usable to +5.2V
-3.3 min to -2.7 max
DD to VDD
0 to 0.3VDD
Control input High (V)
0.7V
Control input Low (V)
I
DAT-31-PN+
(Original Part)
DD (µA)
100 µA max.
-3.6 min to -3.2 max
+1.17 to +3.6
-0.3 to +0.6
100 µA max.
During turn-on and transition
between attenuation states, device
may draw up to 2mA.
I
SS (µA)
Control Current (µA)
100 max
40 max
1 max
1 max, except 30μA typ for C16,
PUP1 and 2μA typ. for LE at +3.6V
Attenuation
Step
Freq
accuracy
(dB)
(GHz)
8
16
Spec max
Spec max
1-2.4
0.25
0.5
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-70-014 Rev : OR (12/29/14) M149445 File: AN70014.doc
This document and its contents are the property of Mini-Circuits.
Sheet 2 of 4
APPLICATION NOTE
2) Typical Performance Comparisona
Parameter
I.Loss(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)
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
2.2 to 4
0.01 to 1
1 to 2.4
2.2 to 4
DAT-31-PN+
(Original Part)
DAT-31A-PN+
(Replacement Part)
Average
1.39
1.75
2.97
0.00
0.01
0.02
0.03
0.08
0.12
0.04
0.06
0.02
0.04
0.04
0.07
0.03
0.03
0.06
17.3
19.6
18.2
17.7
19.7
20.7
Average
1.20
1.46
2.16
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
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-70-014 Rev : OR (12/29/14) M149445 File: AN70014.doc
This document and its contents are the property of Mini-Circuits.
Sheet 3 of 4
APPLICATION NOTE
3) PERFORMANCE COMPARISON CURVES (TYPICAL)a:
Attenuation Accuracy vs. Frequency, 1 dB Step
Insertion Loss vs. Frequency
(0 dB/Reference State)
5.0
DAT-31A+ (Replacement)
4.0
B
d
0.1
0.0
DAT-31+ (Original)
3.0
B -0.1
d
2.0
DAT-31A+ (REPLACEMENT)
-0.2
1.0
0.0
DAT-31+ (ORIGINAL)
-0.3
0
1000
2000
MHz
3000
4000
0
DAT-31A+ (REPLACEMENT)
0.10
B
d
-0.20
DAT-31+ (ORIGINAL)
0.00
-0.10
-0.20
-0.30
-0.30
0
1000
2000
3000
4000
0
1000
MHz
2000
Attenuation Accuracy vs. Frequency, 8dB Step
Attenuation Accuracy vs. Frequency, 16 dB Step
DAT-31A+ (REPLACEMENT)
1.5
DAT-31A+ (ORIGINAL)
0.50
DAT-31+ (ORIGINAL)
1.0
DAT-31+ (ORIGINAL)
0.25
0.5
B
d
0.00
0.0
-0.25
-0.5
-0.50
-1.0
-0.75
-1.5
-1.00
-2.0
0
1000
2000
3000
4000
0
1000
MHz
60
40
B30
d
B30
d
20
20
10
10
2000
MHz
4000
DAT-31A+ (Replacement)
DAT-31+ (ORIGINAL)
50
DAT-31A+ (Replacement)
DAT-31+ (ORIGINAL)
1000
3000
Output Return Loss vs. Frequency (Ref. State)
Input Return Loss vs. Frequency (Ref. State)
0
2000
MHz
60
0
4000
2.0
0.75
40
3000
MHz
1.00
50
4000
Attenuation Accuracy vs. Frequency, 4dB Step
B
d -0.10
Bd
3000
0.20
DAT-31A+ (REPLACEMENT)
DAT-31+ (ORIGINAL)
0.00
2000
MHz
Attenuation Accuracy vs. Frequency, 2dB Step
0.10
1000
3000
4000
Note: DAT-31+ is same as DAT-31-PN+ and
DAT-31A+is same as DAT-31A-PN+
0
0
1000
2000
MHz
3000
4000
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-70-014 Rev : OR (12/29/14) M149445 File: AN70014.doc
This document and its contents are the property of Mini-Circuits.
Sheet 4 of 4