ICL7650-SCPD Datasheet, PDF (9/13 Pages) Intersil Corporation – 2MHz, Super Chopper-Stabilized Operational Amplifier

Typical Performance Curves (Continued)
3
2
1
0
-1
-2
-3
4
6
8
10
12
14
16
TOTAL SUPPLY VOLTAGE (V)
FIGURE 13. INPUT OFFSET VOLTAGE CHANGE vs SUPPLY
VOLTAGE
20
0
20
123456789
TIME (ms)
FIGURE 15. OUTPUT WITH ZERO INPUT; GAIN = 1000;
BALANCED SOURCE IMPEDANCE = 10kΩ
8
6
4
2
0
10
100
1k
10k
CHOPPING FREQUENCY - CLOCK OUT (Hz)
FIGURE 14. INPUT OFFSET VOLTAGE vs CHOPPING
FREQUENCY
160
R_L = 10kΩ
140
C_EXT = 0.1μF
50
120
70
100
90
80
110
60
130
40
20
0.01 0.1
1
10 100 1k
FREQUENCY (Hz)
10k 100k
FIGURE 16. OPEN LOOP GAIN AND PHASE SHIFT vs
FREQUENCY
9
FN2920.10
April 12, 2007