Datasheet

AD628
Rev. G | Page 13 of 20
TEST CIRCUITS
+IN
–IN
OUT
+
–
AD829
G = +100
+IN
–IN
G = +0.1
+
–
OP177
–IN
+IN
100k
FET
PROBE
HP3589A
SPECTRUM ANALYZER
C
FILT
–V
S
V
REF
100k
R
G
10k
10k 10k
AD628
+V
S
02992-025
3246
5
7
8
1
Figure 25. CMRR vs. Frequency
+IN
100k
C
FILT
V
REF
AD628
+V
S
+IN
–IN
OUT
–V
S
R
G
+
–
AD829
+IN
–IN
G = +0.1
G = +100
G = +100
SCOPE
10k
–IN
100k
10k 10k
20
+15V
1VAC
02992-026
8
1
32 46
5
7
Figure 26. PSRR vs. Frequency