TDA9874AHB View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'TDA9874AHB' PDF : 69 Pages View PDF
Philips Semiconductors
Digital TV sound demodulator/decoder
4 BLOCK DIAGRAM
Product specification
TDA9874A
handbook, full pagewidth
P1
P2
ADDR1
ADDR2
SCL
SDA
41 (37)
4 (42)
18 (13)
23 (19)
33 (29)
34 (30)
I2C-BUS
INTERFACE
SIF2
27 (23)
SIF1
29 (25)
INPUT SWITCH
AGC, ADC
SUPPLY
SIF
(21) 25
(20) 24
(28) 32
(27) 31
(24) 28
(18) 22
VDEC
VSSA2
VDDA3
VSSA3
Vref1
Iref
IDENTIFICATION
FM/AM
DEMODULATION
NICAM
DEMODULATION
XTALI
XTALO
SYSCLK
20 (15)
19 (14)
38 (34)
CLOCK
PEAK
DETECTION
DEMATRIX
2-CHANNEL
ANALOG/
SATELLITE
DECODER
NICAM
DECODER
LEVEL
ADJUST
SDO
WS
SCK
35 (31)
36 (32)
37 (33)
I2S-BUS
INTERFACE
DIGITAL
SELECTOR
POST FILTER
3 DACs
DIGITAL
SUPPLY
(10) 15
(12) 17
(8)
NICAM
PCLK
n.c.
(7) 13
(6) 12
(5) 11
(35) 39
(36) 40
(26) 30
VSSD2
VDDD1
VSSD1
VDDD3
VSSD3
CRESET
SUPPLY
DACs
OPAMPS
REFERENCE
(3) 9
(4) 10
(44) 6
(41) 3
VDDA1
VSSA1
VSSA4
Vref 2
TEST1
TEST2
TP1
TP2
TP3
26 (22)
21 (17)
16 (11)
14 (9)
(16)
TDA9874APS
(TDA9874AH)
TEST
ANALOG
CROSSBAR
SWITCH
MONO
CHANNEL
OUTPUT
BUFFERS
5 (43)
2-CHANNEL
OUTPUT
BUFFERS
7 (1) 8 (2)
OUTM
OUTL OUTR
(39) 1
(40) 2
(38) 42
EXTIR
EXTIL
MONOIN
MHB584
The pin numbers given in parenthesis refer to the TDA9874AH.
Fig.1 Block diagram.
2000 Aug 04
6
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