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