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參數(shù)資料
| 型號： | A223 |
| 英文描述： | Low Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS |
| 中文描述： | 低功耗，精密單電源運算放大器 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 264K |
| 代理商： | A223 |
6
OPA234, 2234, 4234
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
TYPICAL PERFORMANCE CURVES
At T
A
= +25
°
C and R
L
= 10k
unless otherwise noted.
INPUT BIAS CURRENT
vs INPUT COMMON-MODE VOLTAGE
Common-Mode Voltage (V)
I
–17
–16
–15
–14
–13
–12
–11
–10
–15
–10
–5
0
5
10
15
V
S
= +5V
V
S
= +2.7V
V
S
= ±15V
INPUT BIAS AND INPUT OFFSET CURRENT
vs TEMPERATURE
Ambient Temperature (°C)
I
–20
–15
–10
–5
0
+5
–75
–50
–25
0
25
50
75
100
125
V
S
= +2.7V, +5V
I
OS
V
S
= ±15V
I
B
OPEN-LOOP GAIN/PHASE vs FREQUENCY
0.1
140
120
100
80
60
40
20
0
–20
0
–30
–60
–90
–120
–150
–180
V
P
Frequency (Hz)
1
10
100
1k
10k
100k
1M
C
L
= 100pF
G
φ
V
O
= 0.25V
V
S
= +5V
±15V
V
O
=
V
S
2
V
S
= +2.7V
CMR
+PSR
POWER SUPPLY AND COMMON-MODE REJECTION
vs FREQUENCY
Frequency (Hz)
P
120
110
100
90
80
70
60
50
40
30
20
10
0
10
100
1k
10k
100k
1M
–PSR
V
= +2.7V, +5V
or ±15V
V
S
= +2.7V or +5V
V
S
= ±15V
CHANNEL SEPARATION vs FREQUENCY
Frequency (Hz)
C
160
140
120
100
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.
R
L
= 10k
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