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CA3140 Datasheet(PDF) 5 Page - Intersil Corporation

Part No. CA3140
Description  4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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CA3140 Datasheet(HTML) 5 Page - Intersil Corporation

 
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5
FN957.10
July 11, 2005
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
µA200µA
1.6mA
2
µA2mA
2mA
4mA
V+
V-
BIAS CIRCUIT
CURRENT SOURCES
AND REGULATOR
R5
500
R4
500
Q11
Q12
R2
500
R3
500
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
R9
50
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
R6
50
NOTE:
All resistance values are in ohms.
CA3140, CA3140A


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