ICL7650 Datasheet, PDF (5/12 Pages) Maxim Integrated Products – Chopper-Stabilized Op Amps

Chopper-Stabilized Op Amps
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V+ = +5V, V- = -5V, T_A = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs.
AMBIENT TEMPERATURE
3
2
1
0
-50 -25 0 25 50 75 100 125
AMBIENT TEMPERATURE (°C)
INPUT OFFSET VOLTAGE CHANGE
vs. SUPPLY VOLTAGE
-3
-2
-1
0
1
2
3
4 6 8 10 12 14 16
TOTAL SUPPLY VOLTAGE (V)
OPEN-LOOP GAIN AND PHASE SHIFT
vs. FREQUENCY
160
ICL7650toac10
140
120
100
80
60
40 RL = 10kΩ
C_EXT = 1.0µF
20
0.01 0.1 1 10 100 1k
FREQUENCY (Hz)
50
70
90
110
130
10k 100k
COMMON-MODE INPUT VOLTAGE RANGE
vs. SUPPLY VOLTAGE
8
7
6
NEGATIVE LIMIT
5
4
3
POSITIVE LIMIT
2
1
0
012345678
SUPPLY VOLTAGE (V)
10Hzp-p NOISE VOLTAGE
vs. CHOPPING FREQUENCY
5
4
3
2
1
0
10
100
1k
10k
CHOPPING FREQUENCY (CLOCK-OUT) (Hz)
VOLTAGE FOLLOWER LARGE-SIGNAL
PULSE RESPONSE
3
2
CLOCK OUT LOW
1
0
-1
CLOCK OUT HIGH
-2
-3
-1.0 -0.5 0 0.5 1.0 1.5 2.0 2.5 3.0
TIME (µs)
INPUT OFFSET VOLTAGE
vs. CHOPPING FREQUENCY
-10
-8
-6
-4
-2
0
10
100
1k
10k
CHOPPING FREQUENCY (CLOCK OUT) (Hz)
OPEN-LOOP GAIN AND PHASE SHIFT
vs. FREQUENCY
160
ICL7650toac09
140
120
100
80
60
40 RL = 10kΩ
C_EXT = 0.1µF
20
0.01 0.1 1 10 100 1k
FREQUENCY (Hz)
50
70
90
110
130
10k 100k
VOLTAGE FOLLOWER LARGE-SIGNAL
PULSE RESPONSE
3
2
1
CLOCK OUT LOW
0
-1
-2
CLOCK OUT HIGH
-3
-1.0 -0.5 0
0.5 1.0 1.5 2.0 2.5 3.0
TIME (µs)
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