전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크
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HA12155 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics
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HA12155
Audio Signal Processor for Cassette Deck (Dolby B/C-type NR with Recording System)
Hitachi -> Renesas Electronics
HA12155 Datasheet PDF : 57 Pages
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HA12155NT/HA12157NT
Pin Description
(V
CC
= 14 V, Ta = 25°C, No signal, the value in the table show typical
value)
Pin No.
DP-64S
7
58
Terminal
name
RPI
Zin
100 k
Ω
DC
voltage
V /2
CC
Equivalent circuit
Description
Recording input
9
PBI
56
21
LM IN
HA12155
---75 k
Ω
44
HA12157
---100 k
Ω
24
EQ IN
100 k
Ω
41
5
VRI
100 k
Ω
V /2
CC
60
+0.7 V
4
V
CC
—
V
CC
—
8
REF
—
V
CC
/2
—
12
NR IN
—
V
CC
/2
53
15
SS 1
—
V
CC
/2
50
Play back input
Level meter input
Equalyzer input
Volume input
Power supply
Ripple filter
NR processor input
Spectral skewing amp
input
Rev.4, Jun. 1997, page 9 of 57
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