OPA237 Datasheet, PDF (6/12 Pages) Burr-Brown (TI) – SINGLE-SUPPLY OPERATIONAL AMPLIFIERS MicroAmplifier ™ Series

TYPICAL PERFORMANCE CURVES
At T_A = +25°C and R_L = 10kΩ, unless otherwise noted.
OPEN-LOOP GAIN/PHASE vs FREQUENCY
100
G
80
C_L = 100pF
0
60
Φ
40
–45
V_S = ±15V
–90
20
–135
0
–20
1
V_S = +2.7V, +5V
–180
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
POWER SUPPLY and COMMON-MODE REJECTION
vs FREQUENCY
120
+PSR (V_S = +5V, ±15V)
100
80
CMR (V_S = +2.7V, +5V or ±15V)
60
+PSR
40 ^{(VS = +2.7V)}
20
–PSR
(V_S = ±15V)
0
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
INPUT NOISE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
1k
Current Noise
100
10
1
Voltage Noise
10
100
1k
10k
100k
Frequency (Hz)
INPUT BIAS CURRENT vs TEMPERATURE
14
12
V_S = +2.7V, +5V
10
8
V_S = ±15V
6
4
–75 –50 –25
0
25 50
Temperature (°C)
75 100 125
CHANNEL SEPARATION vs FREQUENCY
130
120
110
100 Dual and quad devices.
G = 1, all channels.
Quad measured channel
90 _{A to D or B to C—other}
combinations yield improved
rejection.
80
10
100
1k
10k
Frequency (Hz)
100k
INPUT BIAS CURRENT
vs INPUT COMMON-MODE VOLTAGE
–12
–11
V_S = +5V
V_S = +2.7V
–10
–9
–8
V_S = ±15V
–7
–6
–15
–10
–5
0
5
10
15
Common-Mode Voltage (V)
®
OPA237, 2237, 4237
6