參數(shù)資料
型號(hào): HA12204NT
廠商: Hitachi,Ltd.
英文描述: Audio Signal Processor for Cassette Deck(音頻信號(hào)處理器)
中文描述: 音頻信號(hào)處理器卡座(音頻信號(hào)處理器)
文件頁(yè)數(shù): 3/97頁(yè)
文件大小: 579K
代理商: HA12204NT
HA12203NT/HA12204NT
3
Pin Description, Equivalent Circuit
(V
CC
= ±7 V, Ta = 25oC, No Signal, The value in the show typical value.)
Pin No.
Terminal Name
Note
Equivalent Circuit
Pin Description
2
AIN (R)
V = GND
GND
V
100k
PB A Deck input
41
AIN (L)
4
BIN (R)
V = GND
PB B Deck input
39
BIN (L)
6
RIN (R)
V = GND
REC input
37
RIN (L)
10
EQIN (R)
V = GND
REC equalizer input
33
EQIN (L)
7
DET (R)
V = V
EE
+2.7V
V
CC
V
EE
V
Time constant pin
for Dolby-NR
36
DET (L)
5
BIAS1
V = V
EE
+0.6V
V
EE
V
Dolby bias current
input
38
BIAS2
V = V
EE
+1.3V
V
EE
V
REC equalizer bias
current input
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