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OPA237 Datasheet, PDF (4/22 Pages) Burr-Brown (TI) – SINGLE-SUPPLY OPERATIONAL AMPLIFIERS MicroAmplifier ™ Series
OPA237
OPA2237
OPA4237
SBOS057A − OCTOBER 1996 − REVISED FEBRUARY 2007
www.ti.com
ELECTRICAL CHARACTERISTICS: VS = +2.7V
Boldface limits apply over the specified temperature range, TA = −40°C to +85°C.
At TA = +25°C, VS = +2.7V , RL = 10kΩ, connected to VS/2, unless otherwise noted.
PARAMETER
OFFSET VOLTAGE
Input Offset Voltage
vs Temperature(1)
vs Power Supply (PSRR)
Channel Separation (dual and quad)
CONDITIONS
VCM = 1V
Specified Temperature Range
VS = +2.7V to +36V
OPA237UA, NA
OPA2237UA, EA
OPA4237UA
MIN
TYP
MAX
±250
+2
10
0.5
±750
+5
30
INPUT BIAS CURRENT
Input Bias Current(2)
Input Offset Current
NOISE
Input Voltage Noise, f = 0.1 to 10Hz
Input Voltage Noise Density, f = 1kHz
Current Noise Density, f = 1kHz
VCM = 1V
VCM = 1V
−10
−40
±0.5
±10
1
28
60
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
INPUT IMPEDANCE
Differential
Common-Mode
VCM = −0.2V to 1.2V
−0.2
(V+) −1.5
75
85
5 • 106 || 4
5 • 109 || 2
OPEN-LOOP GAIN
Open-Loop Voltage Gain
FREQUENCY RESPONSE
Gain-Bandwidth Product
Slew Rate
Settling Time, 0.1%
0.01%
OUTPUT
Voltage Output, Positive
Negative
Positive
Negative
Positive
Negative
Short-Circuit Current
Capacitive Load Drive (stable operation)
VO = 0.5V to 1.7V
G=1
G = −1, 1V Step, CL = 100pF
G = −1, 1V Step, CL = 100pF
RL = 100kΩ to Ground
RL = 100kΩ to Ground
RL = 100kΩ to 1.35V
RL = 100kΩ to 1.35V
RL = 10kΩ to 1.35V
RL = 10kΩ to 1.35V
80
88
1.2
0.5
5
8
(V+) −1
(V+) −0.75
0.01
0.001
(V+) −1
(V+) −0.75
0.06
0.02
(V+) −1
(V+) −0.75
0.3
0.2
−5/+3.5
See Typical Characteristic Curves
POWER SUPPLY
Specified Operating Voltage
Operating Range
Quiescent Current (per amplifier)
+2.7
+2.7
+36
160
350
TEMPERATURE RANGE
Specified Range
Operating Range
Storage Range
Thermal Resistance, qJA
SOT23-5
MSOP-8
SSOP-16 (Obsolete)
SO-8
−40
+85
−55
+125
−55
+125
200
150
150
150
(1) Specified by wafer-level test to 95% confidence.
(2) Positive conventional current flows into the input terminals.
UNITS
µV
µV/°C
µV/V
µV/V
nA
nA
µVPP
nV/√Hz
fA/√Hz
V
dB
Ω || pF
Ω || pF
dB
MHz
V/µs
µs
µs
V
V
V
V
V
V
mA
V
V
µA
°C
°C
°C
°C/W
°C/W
°C/W
°C/W
4