TDA7476_01 Datasheet, PDF (2/19 Pages) STMicroelectronics – CAR RADIO DIAGNOSTIC PROCESSOR

TDA7476
BLOCK DIAGRAM & APPLICATION CIRCUIT
V_S
R3
10KΩ
ST-BY
SW1
C3
10µF
W
R4
10KΩ
5V
REF
C1
10∝F
SDA
SCL
ADD
C2
100nF
2
3
I²C
4
12
5
DELAY
INTERFACE
11
10
VOLTAGE REGULATOR
14
&
13 ^{TEST SIGNAL GENERATOR}
C_T
R_CS
R5 51Ω
DIG-GND
1
24
23
CH5
22
21
CH4
20
19
CH3
18
17
CURRENT
FORCING
&
16
COMPARATORS 15
6
CH2
CH1
RSENS1
7
8
RSENS2
9
D96AU499A
OUT
AUX1
IN
IN
AUX2
OUT
PIN FUNCTION
N°
Pin
1
GND
2
SDA
3
SCL
4
ADD
5
W
6
AUX1 OUT
7
AUX1 IN
8
AUX2 IN
9
AUX2 OUT
10
5V
11
ST-BY
12
V_S
13
CSR
14
T-CAP
15/16 CH1+/CH1-
17/18 CH2-/CH2+
19/20 CH3+/CH3-
21/22 CH4-/CH4+
23/24 CH5+/CH5-
Ground
Dta line
Clock line
Address select
Warning
AUX1 output
AUX1 input
AUX2 input
AUX2 output
5V-Regulator
Stand-by
Supply Voltage
Current setting resistor
Timing capacitor
Audio output - Channel 1
Audio output - Channel 2
Audio output - Channel 3
Audio output - Channel 4
Audio output - Channel 5
Description
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