OPA237_07 Datasheet, PDF (6/19 Pages) Burr-Brown (TI) – SINGLE-SUPPLY OPERATIONAL AMPLIFIERS MicroAmplifier™ Series

OPA237
OPA2237
OPA4237
SBOS057A − OCTOBER 1996 − REVISED FEBRUARY 2007
TYPICAL CHARACTERISTICS
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)
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 75 100 125
Temperature (_ C)
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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)
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 = +2.7V
−10
V_S = +5V
−9
V_S = ±15V
−8
−7
−6
−15
−10
−5
0
5
10
15
Common−Mode Voltage (V)
6