Datasheet

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