TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, and VS = ±15V, unless otherwise noted.
OPEN-LOOP GAIN vs TEMPERATURE
OPEN-LOOP OUTPUT IMPEDANCE vs FREQUENCY
125
120
115
110
105
100
80
60
40
20
0
2
20
200
2k
20k
200k
2M
20M
–75 –50
–25
0
25
50
75
100 125
Frequency (Hz)
Temperature (°C)
COMMON-MODE REJECTION vs
INPUT COMMON MODE VOLTAGE
COMMON-MODE REJECTION vs FREQUENCY
OPA637
130
120
110
100
90
140
120
100
80
OPA627
60
40
20
80
0
1
10
100
1k
10k
100k
1M
10M
–15
–10
–5
0
5
10
15
Common-Mode Voltage (V)
Frequency (Hz)
POWER-SUPPLY REJECTION AND COMMON-MODE
REJECTION vs TEMPERATURE
POWER-SUPPLY REJECTION vs FREQUENCY
125
120
115
110
105
140
120
100
80
PSR
–VS PSRR 627
and 637
CMR
60
+VS PSRR 627
637
40
20
0
–75
–50
–25
0
25
50
75
100
125
1
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Temperature (°C)
®
5
OPA627, 637
TI [ TEXAS INSTRUMENTS ]
