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HA12216F Datasheet, PDF (5/53 Pages) Hitachi Semiconductor – Audio Signal Processor for Car Deck(Decode only Dolby B type NR with PB Amp.)
HA12216F/HA12221F Series
Pin Description, Equivalent Circuit (cont.)
Pin No.
34
(VCC = 9 V, A system of single supply voltage, Ta = 25°C, No Signal, The value in the show typical value.)
Terminal Name
Note
Equivalent Circuit
Pin Description
FIN (L)
—
Equalizer intput
(Forward)
V
37
FIN (R)
32
RIN (L)
39
RIN (R)
31
NFI (L)
40
NFI (R)
10
T/R (Mute)
—
Equalizer intput
(Reverse)
Negative feedback
Mode control input
11 *2
NR ON/OFF
12
120/70
13
F/R
14
S/R (MS GV)
15
MSOUT
—
22 k
100 k
GND
MS VCC
I
MS output (to MPU) *1
20
MS GV (R)
V = VCC/2
200
100k
D GND
V
90k
21
MS GV (S)
35
GND
—
36
Notes: 1. MS: Music Sensor
2. Non connection regarding HA12221F series.
MS gain terminal *1
GND pin
Rev.6.00 Jun 15, 2005 page 5 of 52