HA12209F Datasheet, PDF (5/49 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12209F
Pin Description, Equivalent Circuit (V_CC=12V, Ta=25°C, No signal, The value in the
table show typical value.) (cont)
Pin No. Pin Name
29
MSDET
Note
I = 0µA
Equivalent Circuit
I
Pin Description
V_CC
Time constant
pin for MS *¹
V
31
MSIN
V=V /2
CC
GND
V_CC
MS input
33
MAI
V = V_CC / 2
27
MSOUT
I = 0µA
V
100k
MAOUT
100k
V_CC/2
V_CC
V
45k
V_CC/2
V_CC
V
I
MS amp. output
MS output (to
MPU)
Note: 1. MS : Music Sensor
DGND
Rev.2, Jun. 1999, page 5 of 49