TDA7462 Datasheet, PDF (23/25 Pages) STMicroelectronics – DUAL AUDIOPROCESSOR WITH COMPANDER AND SUBWOOFER OUTPUT

TDA7462
Testing
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
Main Testmode Switch ¹⁾
0 off
1 on
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Test Multiplexer
Compander Log-Amp. Output
Compander Low-Pass Output
Compander DAC Output
internal 200kHz Clock
not allowed
not allowed
internal Bandgap Voltage
not allowed
Compander Testmode
0
off
1
on
Clock
0
external
1
internal
1
1
must be "1"
1) To avoid inadvertently programming of the Main-Testmode as well the Compander testmode it is mandatory to set the Bit 5 in the
subaddress-byte to high at the same time.
Figure 18. Application Circuit.
TAPEL
TAPER
PHONE+
PHONE-
CDL+
CDL-
CDR-
CDR+
10µF
100nF
100nF
100nF
100nF
100nF
100nF
100nF
100nF
STDL
STDR
100nF 100nF
SE2L
SE2R
CREF _{14 12}
13
10µF
=
GND 100nF V_S
15
16
22
+
V_CC
- ^9V
OUTLF
SE1L
1
SE1R
2
OUTRF
21
OUTLR
20
OUTRR
19
MD+
3
100nF
SUBOUT+
18
MD-
4
SUBOUT-
17
100nF
CDL+
5
CDL-
6
SDA
25
SCL
24
MUTE
26
CDR-
7
SE3L
28
CDR+
8
9
SE3R
27
100nF
10
11
23
PDR
100nF
PDGND
22µF
PDL
100nF
PAUSE
47nF
D98AU867
EXTR
EXTGND
EXTL
OUTLF
OUTRF
OUTLR
OUTRR
SUBOUT+
SUBOUT-
SDA
SCL
SM
AMMONO
PAUSE
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