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CA3450 데이터 시트보기 (PDF) - Intersil

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CA3450 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
Block Diagram
CA3450
7 V+
8 V+
BIAS CIRCUIT
+IN
14
+
X180
X0.50
X18
3
-
-IN
INPUT CURRENT
COMPENSATED
DIFFERENTIAL
AMPLIFIER
DC LEVEL
SHIFT
STAGE
OUTPUT POWER
DRIVER AND
OUTPUT POWER
STAGE
6
OUTPUT
1 16
OFFSET
NULL
9 11
PHASE
COMP
4 5 12 13
V-
Schematic Diagram
FREQUENCY
COMPENSATION
11
Q2
Q1
D1
Q3
D2
C1 Q8
Q9
Q5
C2
Q10
Q4
Q6 Q7
Q11
Q12
V-
D3
V+
V+
8
7
Q14
C3
Q15
Q16
Q17
V-
Q18
Q19
R5
2K
C4
R1
100K
Q24
V+
Q26
3
INVERTING
INPUT
Q20
Q23
14
Q21 Q22
NON-
INVERTING
INPUT
R2 140 R3
R4
8.5K
Q27
R11
3k
R9
780
Q25
D7
Q28
Q29
Q30
Q31
Q32
R10
3.2K
R12 R13 C7
R14
250 860
860
R15
R16
R17
130
860
500
R6
2K
C5
Q33
Q34
R18 R19 R20
200 100 170
D4
D5
C6
D6
R8
30
R7
6
6
OUTPUT
D10
Q35
9
FREQUENCY
COMPEN-
SATION
Q38
D9
Q36
Q37
R21
R22
270
250
1
16
4, 5, 12, 13
V-
2

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