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CA3140AS Datasheet(PDF) 4 Page - Intersil Corporation

Part # CA3140AS
Description  4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output
PDF  19 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CA3140AS Datasheet(HTML) 4 Page - Intersil Corporation

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4
Block Diagram
Schematic Diagram
A
≈ 10
A
≈
10,000
C1
12pF
5
A
≈ 1
1
8
4
6
7
2
3
OFFSET
STROBE
NULL
OUTPUT
INPUT
+
-
200
µA
200
µA
1.6mA
2
µA
2mA
2mA
4mA
V+
V-
BIAS CIRCUIT
CURRENT SOURCES
AND REGULATOR
R5
500
Ω
R4
500
Ω
Q11
Q12
R2
500
Ω
R3
500
Ω
Q10
Q9
D5
D4
D3
5
1
8
STROBE
OFFSET NULL
3
2
NON-INVERTING
INPUT
INVERTING
INPUT
+
-
C1
12pF
Q13
Q15
Q16
Q21
Q20
D8
Q19
Q18
Q17
R11
20
Ω
R9
50
Ω
R8
1K
R12
12K
R14
20K
R13
5K
D7
R10
1K
OUTPUT
D6
4
V-
V+
6
7
DYNAMIC CURRENT SINK
OUTPUT STAGE
SECOND STAGE
INPUT STAGE
BIAS CIRCUIT
D2
Q8
Q4
Q3
Q5
Q2
Q6
Q7
D1
Q1
R1
8K
Q14
R7
30
Ω
R6
50
Ω
NOTE: All resistance values are in ohms.
CA3140, CA3140A



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