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PDF TDA9870A Data sheet ( Hoja de datos )

Número de pieza TDA9870A
Descripción Digital TV Sound Processor DTVSP
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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No Preview Available ! TDA9870A Hoja de datos, Descripción, Manual

INTEGRATED CIRCUITS
DATA SHEET
TDA9870A
Digital TV Sound Processor
(DTVSP)
Product specification
File under Integrated Circuits, IC02
1998 Aug 10

1 page




TDA9870A pdf
Philips Semiconductors
Digital TV Sound Processor (DTVSP)
Product specification
TDA9870A
2.1.2 SATELLITE SYSTEMS
An important specification for satellite TV reception is the “Astra specification”. The TDA9870A is suited for the reception
of Astra and other satellite signals.
Table 3 FM satellite sound
CARRIER
TYPE
Main
Sub
Sub
Sub
Sub
CARRIER
MODULATION
MAXIMUM
FREQUENCY (MHz)
INDEX
FM DEVIATION (kHz)
6.50(1)
7.02/7.20
7.38/7.56
7.74/7.92
8.10/8.28
0.26
0.15
0.15
0.15
0.15
85
50
50
50
50
MODULATION
mono
m/st/d(2)
m/st/d(2)
m/st/d(2)
m/st/d(2)
BANDWIDTH/
DE-EMPHASIS
(kHz/µs)
15/50(1)
15/adaptive(3)
15/adaptive(3)
15/adaptive(3)
15/adaptive(3)
Notes
1. For other satellite systems, frequencies of, for example, 5.80, 6.60 or 6.65 MHz can also be received. A de-emphasis
of 60 µs, or in accordance with J17, is available.
2. m/st/d = mono or stereo or dual language sound.
3. Adaptive de-emphasis is compatible to transmitter specification.
3 ORDERING INFORMATION
TYPE NUMBER
TDA9870A
NAME
SDIP64
PACKAGE
DESCRIPTION
plastic shrink dual in-line package; 64 leads (750 mil)
VERSION
SOT274-1
1998 Aug 10
5

5 Page





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2
from ADC
I2S1 2
I2S2 2
2 22
LEVEL ADJUST
DC 2
FILTER
LEVEL ADJUST
2
4
LEVEL ADJUST
6
8
2
MATRIX
2
DIGITAL
CROSSBAR
SELECT
2
MATRIX
MATRIX
2
MATRIX
AUTOMATIC
VOLUME
LEVEL
VOLUME
SOFT-MUTE
BASS/TREBLE
BEEPER
SPATIAL
PSEUDO
VOLUME
BASS/TREBLE
BASS BOOST
CONTOUR
SOFT-MUTE
BEEPER
2
2
LEVEL ADJUST AND MUTE
2
LEVEL ADJUST AND MUTE
2
LS
HP
I2S1
I2S2
FM LEVEL ADJUST
2
DC
FILTER
ADAPTIVE
DE-EMPHASIS
FIXED
DE-EMPHASIS
MATRIX
2
MATRIX
LEVEL ADJUST
2
DAC
24
10
MONITOR
14 SELECT
PEAK
DETECTION
1 I2C-bus
MHB112
Fig.3 DSP data flow diagram.

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