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參數(shù)資料
| 型號(hào)： | OPA237NA250E4 |
| 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)： | 6/19頁(yè) |
| 文件大?。?/td> | 1364K |
| 代理商： | OPA237NA250E4 |
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SBOS057A OCTOBER 1996 REVISED FEBRUARY 2007
www.ti.com
6
TYPICAL CHARACTERISTICS
At T
A
= +25
°
C and R
L
= 10k
, unless otherwise noted.
OPENLOOP GAIN/PHASE vs FREQUENCY
1
100
80
60
40
20
0
20
V
0
45
90
135
180
P
Frequency (Hz)
10
100
1k
10k
100k
1M
10M
C
L
= 100pF
V
S
=
±
15V
V
S
= +2.7V, +5V
Φ
G
POWER SUPPLY and COMMONMODE REJECTION
vs FREQUENCY
120
100
80
60
40
20
0
P
Frequency (Hz)
10
100
1k
10k
100k
1M
10M
+PSR (V
S
= +5V,
±
15V)
CMR (V
S
= +2.7V, +5V or
±
15V)
+PSR
(V
S
= +2.7V)
PSR
(V
S
=
±
15V)
INPUT NOISE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
1
1k
100
10
V
√
H
C
√
H
Frequency (Hz)
10
100
1k
10k
100k
Current Noise
Voltage Noise
CHANNEL SEPARATION vs FREQUENCY
Frequency (Hz)
C
130
120
110
100
90
80
10
100
1k
10k
100k
Dual and quad devices.
G = 1, all channels.
Quad measured channel
A to D or B to C
other
combinations yield improved
rejection.
INPUT BIAS CURRENT vs TEMPERATURE
Temperature ( C)
I
14
12
10
8
6
4
75
50
25
0
25
50
75
100
125
V
S
= +2.7V, +5V
V
S
=
±
15V
INPUT BIAS CURRENT
vs INPUT COMMONMODE VOLTAGE
12
11
10
9
8
7
6
I
CommonMode Voltage (V)
15
10
5
0
5
10
15
V
S
=
±
15V
V
S
= +5V
V
S
= +2.7V
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