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8
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ICL8013
Z
INPUT
GAIN
5K
7.5K
7
10
9
X
OS
Y
OS
Z
OS
4
3
6
1
OUTPUT =10
CONTROL
VOLTAGE
FIGURE 11. VARIABLE GAIN AMPLIFIER
X
OS
Y
OS
Z
OS
V+
V-
20K
20K
20K
FIGURE12. POTENTIOMETERSFORTRIMMINGOFFSETAND
FEEDTHROUGH
Typical Performance Curves
FIGURE 13. FREQUENCY RESPONSE
FIGURE 14. NONLINEARITY vs FREQUENCY
FIGURE 15. FEEDTHROUGH vs FREQUENCY
A
FREQUENCY (Hz)
P
PHASE
AMPLITUDE
1K
10K
100K
1M
10M
25
0
5
10
15
20
-50
0
-10
-20
-30
-40
FREQUENCY (Hz)
1K
10K
100K
100
100
10
1
0.1
0.01
N
Y-INPUT
X-INPUT
FREQUENCY (Hz)
1K
10K
100K
1M
10M
F
-10
-20
-30
-40
-50
-60
-70
X = 0, Y = 20V
P-P
Y = 0, X = 20V
P-P
ICL8013