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參數(shù)資料
| 型號： | AMP01* |
| 元件分類： | 測量放大器 |
| 英文描述： | Low Noise. Precision Instrumentation Amplifier |
| 中文描述： | 低噪聲。精密儀表放大器 |
| 文件頁數(shù)： | 19/22頁 |
| 文件大?。?/td> | 244K |
AMP01
–19–
REV. D
18
1
2
3
R4
V
IN
7
8
9
10
11
V
OUT
R1 =
R2
GAIN (G)
R3 = R1 // R2
R4 = 1.5k
V
@ G = 1
1.2k
V
@ G = 10
120
V
@ G = 100 AND 1000
–15V
+
10
m
F
15
14
20V p-p INTO 500
V
// 1000pF.
TOTAL HARMONIC DISTORTION:
<0.005% @ 1kHz, V
OUT
= 20V p-p
G = 1 TO 1000
NC
NC
R2
220k
V
0.01
m
F
4.7k
V
R3
+15V
AMP01
R
G
R
G
R
S
R
S
SENSE
V–
REF
0.047
m
F
0.047
m
F
10
m
F
+
R1
12
13
V–
Figure 42. The nverting Operational Amplifier Configuration has Excellent Linearity over the Gain Range 1 to 1000, Typically
0.005%. Offset Voltage Drift at Unity Gain Is Improved over the Drift in the Instrumentation Amplifier Configuration.
18
1
2
3
R
G
3k
V
V
IN
AMP01
R
G
R
G
REF
SENSE
7
8
9
13
10
12
11
V+
V–
V
OUT
+15V
NC
NC
–15V
0.047
m
F
+10
m
F
R2
4.7k
V
R
L
C
L
15
14
POWER BANDWIDTH (–3dB)
~
60kHz
TOTAL HARMONIC DISTORTION
~
0.001%
@1kHz, 20V p-p INTO 500
V
// 1000pF
NC = NO CONNECT
0.047
m
F
+
10
m
F
680pF
0.01
m
F
R3
330
V
R1
4.7k
V
R
S
R
S
Figure 43. Stability with Large Capacitive Loads Combined with High Output Current Capability make the AMP01 Ideal
for Line Driving Applications. Offset Voltage Drift Approaches the TCV
IOS
Limit, (0.3
μ
V/
°
C).
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