|
OPA237 Datasheet, PDF (3/22 Pages) Burr-Brown (TI) – SINGLE-SUPPLY OPERATIONAL AMPLIFIERS MicroAmplifier ™ Series | |||
|
◁ |
www.ti.com
OPA237
OPA2237
OPA4237
SBOS057A â OCTOBER 1996 â REVISED FEBRUARY 2007
ELECTRICAL CHARACTERISTICS: VS = +5V
Boldface limits apply over the specified temperature range, TA = â40°C to +85°C.
At TA = +25°C, VS = +5V, RL = 10kâ¦, 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 = 2.5V
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 = 2.5V
VCM = 2.5V
â10
â40
±0.5
±10
1
28
60
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
INPUT IMPEDANCE
Differential
Common-Mode
VCM = â0.2V to 3.5V
â0.2
(V+) â1.5
78
86
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 4V
G=1
G = â1, 3V Step, CL = 100pF
G = â1, 3V Step, CL = 100pF
RL = 100k⦠to Ground
RL = 100k⦠to Ground
RL = 100k⦠to 2.5V
RL = 100k⦠to 2.5V
RL = 10k⦠to 2.5V
RL = 10k⦠to 2.5V
80
88
1.4
0.5
11
16
(V+) â1
(V+) â0.75
0.01
0.001
(V+) â1
(V+) â0.75
0.12
0.04
(V+) â1
(V+) â0.75
0.5
0.35
â10/+4
See Typical Characteristic Curves
POWER SUPPLY
Specified Operating Voltage
Operating Range
Quiescent Current (per amplifier)
+5
+2.7
+36
170
350
TEMPERATURE RANGE
Specified Range
Operating Range
Storage Range
Thermal Resistance, qJA
SOT23-5
MSOP-8
SSOP-16 (Obsolete)
SO-8
â40
+85
â55
+125
â55
+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/âHz
fA/âHz
V
dB
⦠|| pF
⦠|| 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
3
|
▷ |