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OPA237 데이터시트(PDF) 3 Page - Texas Instruments

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부품명 OPA237
상세설명  SINGLE-SUPPLY OPERATIONAL AMPLIFIERS MicroAmplifier??Series
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제조업체  TI [Texas Instruments]
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OPA237, 2237, 4237
®
SPECIFICATIONS: VS = +2.7V
At TA = +25°C, VS = +2.7V, RL = 10kΩ connected to VS/2, unless otherwise noted.
OPA237UA, NA
OPA2237UA, EA
OPA4237UA
PARAMETER
CONDITION
MIN
TYP
MAX
UNITS
OFFSET VOLTAGE
Input Offset Voltage
VCM = 1V
±250
±750
µV
vs Temperature(1)
Specified Temperature Range
±2
±5
µV/°C
vs Power Supply (PSRR)
VS = +2.7V to +36V
10
30
µV/V
Channel Separation (dual and quad)
0.5
µV/V
INPUT BIAS CURRENT
Input Bias Current(2)
VCM = 1V
–10
–40
nA
Input Offset Current
VCM = 1V
±0.5
±10
nA
NOISE
Input Voltage Noise, f = 0.1 to 10Hz
1
µVp-p
Input Voltage Noise Density, f = 1kHz
28
nV/
√Hz
Current Noise Density, f = 1kHz
60
fA/
√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
–0.2
(V+) –1.5
V
Common-Mode Rejection
VCM = –0.2V to 1.2V
75
85
dB
INPUT IMPEDANCE
Differential
5 • 106 || 4
Ω || pF
Common-Mode
5 • 109 || 2
Ω || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain
VO = 0.5V to 1.7V
80
88
dB
FREQUENCY RESPONSE
Gain-Bandwidth Product
1.2
MHz
Slew Rate
G = 1
0.5
V/
µs
Settling Time: 0.1%
G = –1, 1V Step, CL = 100pF
5
µs
0.01%
G = –1, 1V Step, CL = 100pF
8
µs
OUTPUT
Voltage Output, Positive
RL = 100kΩ to Ground
(V+) –1
(V+) –0.75
V
Negative
RL = 100kΩ to Ground
0.01
0.001
V
Positive
RL = 100kΩ to 1.35V
(V+) –1
(V+) –0.75
V
Negative
RL = 100kΩ to 1.35V
0.06
0.02
V
Positive
RL = 10kΩ to 1.35V
(V+) –1
(V+) –0.75
V
Negative
RL = 10kΩ to 1.35V
0.3
0.2
V
Short-Circuit Current
–5/+3.5
mA
Capacitive Load Drive (stable operation)
See Typical Curves
POWER SUPPLY
Specified Operating Voltage
+2.7
V
Operating Range
+2.7
+36
V
Quiescent Current (per amplifier)
160
350
µA
TEMPERATURE RANGE
Specified Range
–40
+85
°C
Operating Range
–55
+125
°C
Storage
–55
+125
°C
Thermal Resistance,
θ
JA
5-Lead SOT-23-5
200
°C/W
MSOP-8 Surface-Mount
150
°C/W
SSOP-16 Surface-Mount
150
°C/W
SO-8 Surface-Mount
150
°C/W
NOTES: (1) Guaranteed by wafer-level test to 95% confidence. (2) Positive conventional current flows into the input terminals.


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