TDA9874A Philips Semiconductors, TDA9874A Datasheet - Page 7

• Manufacturer Part Number: TDA9874A
• Description: Digital TV sound demodulator/decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
5
1999 Dec 03
EXTIR
EXTIL
V
P2
OUTM
V
OUTL
OUTR
V
V
V
V
V
n.c.
TP2
NICAM
TP1
PCLK
ADDR1
XTALO
XTALI
TP3
TEST2
I
ADDR2
V
V
TEST1
SIF2
V
SIF1
CRESET
V
V
SCL
SDA
SDO
WS
ref
SYMBOL
ref2
SSA4
DDA1
SSA1
SSD1
DDD1
SSD2
SSA2
DEC
ref1
SSA3
DDA3
Digital TV sound demodulator/decoder
PINNING
SDIP42
10
11
12
13
14
22
23
24
25
26
28
29
30
31
32
33
15
16
17
18
19
20
21
27
34
35
36
1
2
3
4
5
6
7
8
9
PIN
QFP44
39
40
41
42
43
44
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
external audio input right channel
external audio input left channel
analog reference voltage for DAC and operational amplifiers
second general purpose I/O pin
analog output right
analog ground supply 4 for analog back-end circuitry
analog output left
analog output right
analog supply voltage 1; back-end circuitry 5 V
analog ground supply 1; back-end circuitry
digital ground supply 1; core circuitry
digital supply voltage 1; core voltage regulator circuitry
digital ground supply 2; core circuitry
not connected
additional test pin 2; connected to V
serial NICAM data output (at 728 kHz)
additional test pin 1; connected to V
NICAM clock output (at 728 kHz)
first I
crystal oscillator output
crystal oscillator input
additional test pin 3; connected to V
test pin 2; connected to V
resistor for reference current generation; front-end circuitry
second I
analog ground supply 2; analog front-end circuitry
analog front-end circuitry supply voltage decoupling
test pin 1; connected to V
sound IF input 2
reference voltage; for analog front-end circuitry
sound IF input 1
capacitor for Power-on reset
digital ground supply 3; front-end circuitry
analog front-end circuitry regulator supply voltage 3 (5 V)
I
I
I
I
2
2
2
2
C-bus serial clock input
C-bus serial data input/output
S-bus serial data output
S-bus word select input/output
2
C-bus slave address modifier input
2
C-bus slave address modifier input
7
SSD
SSD
DESCRIPTION
for normal operation
for normal operation
SSD
SSD
SSD
for normal operation
for normal operation
for normal operation
Preliminary specification
TDA9874A