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參數(shù)資料
| 型號(hào)： | OPA237NA250 |
| 英文描述： | SINGLE-SUPPLY OPERATIONAL AMPLIFIERS MicroAmplifier⑩ Series |
| 中文描述： | 單電源運(yùn)算放大器MicroAmplifier⑩系列 |
| 文件頁(yè)數(shù)： | 3/19頁(yè) |
| 文件大?。?/td> | 1364K |
| 代理商： | OPA237NA250 |
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SBOS057A OCTOBER 1996 REVISED FEBRUARY 2007
www.ti.com
3
ELECTRICAL CHARACTERISTICS: V
S
= +5V
Boldface
limits apply over the specified temperature range,
T
A
= 40
°
C to +85
°
C
.
At T
A
= +25
°
C, V
S
= +5V, R
L
= 10k
,
connected to V
S
/2, unless otherwise noted.
OPA237UA, NA
OPA2237UA, EA
OPA4237UA
TYP
PARAMETER
CONDITIONS
MIN
MAX
UNITS
OFFSET VOLTAGE
Input Offset Voltage
vs Temperature
(1)
vs Power Supply (PSRR)
Channel Separation (dual and quad)
V
CM
= 2.5V
±
250
2
10
0.5
±
750
5
30
μ
V
Specified Temperature Range
V
S
= +2.7V to +36V
μ
V/
°
C
μ
V/V
μ
V/V
INPUT BIAS CURRENT
Input Bias Current
(2)
Input Offset Current
V
CM
= 2.5V
V
CM
= 2.5V
10
±
0.5
40
±
10
nA
nA
NOISE
Input Voltage Noise, f = 0.1 to 10Hz
Input Voltage Noise Density, f = 1kHz
Current Noise Density, f = 1kHz
1
28
60
μ
V
PP
nV/
√
Hz
fA/
√
Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
0.2
78
(V+) 1.5
V
dB
V
CM
= 0.2V to 3.5V
86
INPUT IMPEDANCE
Differential
Common-Mode
5
106 || 4
5
109 || 2
|| pF
|| pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain
V
O
= 0.5V to 4V
80
88
dB
FREQUENCY RESPONSE
Gain-Bandwidth Product
Slew Rate
Settling Time, 0.1%
1.4
0.5
11
16
MHz
V/
μ
s
μ
s
μ
s
G = 1
G = 1, 3V Step, C
L
= 100pF
G = 1, 3V Step, C
L
= 100pF
0.01%
OUTPUT
Voltage Output, Positive
R
L
= 100k
to Ground
R
L
= 100k
to Ground
R
L
= 100k
to 2.5V
R
L
= 100k
to 2.5V
R
L
= 10k
to 2.5V
R
L
= 10k
to 2.5V
(V+) 1
0.01
(V+) 1
0.12
(V+) 1
0.5
(V+) 0.75
0.001
(V+) 0.75
0.04
(V+) 0.75
0.35
10/+4
V
V
V
V
V
V
Negative
Positive
Negative
Positive
Negative
Short-Circuit Current
Capacitive Load Drive (stable operation)
mA
See Typical Characteristic Curves
POWER SUPPLY
Specified Operating Voltage
Operating Range
Quiescent Current (per amplifier)
+5
V
V
μ
A
+2.7
+36
350
170
TEMPERATURE RANGE
Specified Range
Operating Range
Storage Range
Thermal Resistance,
JA
SOT23-5
MSOP-8
SSOP-16 (Obsolete)
SO-8
40
55
55
+85
+125
+125
°
C
°
C
°
C
200
150
150
150
°
C/W
°
C/W
°
C/W
°
C/W
(1)Specified by wafer-level test to 95% confidence.
(2)Positive conventional current flows into the input terminals.
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