參數(shù)資料
型號: LM148
廠商: RAYTHEON SEMICONDUCTOR
元件分類: 運(yùn)動控制電子
英文描述: Low Power Quad 741 Operational Amplifier(低功耗、四通道741型運(yùn)算放大器)
中文描述: QUAD OP-AMP, 6000 uV OFFSET-MAX, 1 MHz BAND WIDTH, PDIP14
文件頁數(shù): 9/16頁
文件大?。?/td> 97K
代理商: LM148
PRODUCT SPECIFICATION
LM148
9
Applications Discussion
(continued)
Figure 22. Low Cost Instrumentation Amplifier
Figure 23. Low Voltage Peak Detector with Bias Current Compensation
65-148-24
LM148
A
R2
R/2
R/2
R
OUT
V
R1
R
+V
IN
-V
IN
R
V = 2 2R
V =
±
15V
R = R2, trim R2 to boost CMRR
R1
+ 1
LM148
B
-V
S
- 3V V
IN CM
+V
S
-3V
,
LM148
C
2
3
1
10
9
8
5
6
7
LM148
A
65-148-25
Adjust R for minimum drift
D3 low leakage diode
D1 added to improve speed
V = 15V
V
IN
D1
1N941
500K
D2
1N914
C
P
BIAS
I
D3
R2
2M
R
1M
2N2906
2
3
(+V )
S
V
PEAK
LM148
B
LM148
C
BIAS
I
9
10
8
5
6
7
3
2
1
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