HA12237F Datasheet, PDF (2/33 Pages) Renesas Technology Corp – Audio Signal Processor for Cassette Deck

HA12237F
Pin Description, Equivalent Circuit
Pin No.
16
21
10
26
5
28
3
Pin Name
V_CC
RECOUT(L)
RECOUT(R)
PBOUT(L)
PBOUT(R)
EQOUT(L)
EQOUT(R)
(V_CC = 12 V, Ta = 25°C, No Signal, The value in the table shows typical value.)
Note
Equivalent Circuit
Description
V = V_CC
V_CC pin
V = V_CC/2
REC output
V_CC
PB output
V = 2.9 V
EQ output
35
REC-RETURN
V=0V
34
BIN(L)
37
BIN(R)
BIN
120 k
GND
V_CC
REC Return
PB B deck input
PB-NF
32
AIN(L)
39
AIN(R)
V=0V
REC Return
V_CC
PB A deck input
24
RECIN(L)
7
RECIN(R)
27
TAI(L)
4
TAI(R)
V = V_CC/2
V = V_CC/2
AIN
120 k
GND
PB-NF
REC-EQ input
V_CC
Tape input
100 k
V_CC/2
11
ALC ON/OFF
(Control voltage
12
High/Norm
= 3 V)
I
13
A/B
14
MUTE ON/OFF
15
REC MUTE
22 k
OFF/ON
100 k
19
IREF
V = 1.2 V
Mode control input
V_CC
GND
Equalizer reference current
input
Rev.1.00 Jun 15, 2005 page 2 of 32