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TDA9875 Datasheet(PDF) 21 Page - NXP Semiconductors

Part # TDA9875
Description  Digital TV Sound Processor DTVSP
PDF  92 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA9875 Datasheet(HTML) 21 Page - NXP Semiconductors

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1998 Feb 13
21
Philips Semiconductors
Preliminary specification
Digital TV Sound Processor (DTVSP)
TDA9875
9
CHARACTERISTICS
VDD =5V; Tamb =25 °C; settings in accordance with B/G standard; FM deviation ±50 kHz; fmod = 1 kHz; FM sound
parameters in accordance with system A2; NICAM in accordance with
“EBU specification”; 1 k
Ω measurement source
resistance for AF inputs; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Digital supplies
VDDD1
digital supply voltage 1
4.75
5.0
5.5
V
VSSD1
digital supply ground 1
−
0.0
−
V
IDDD1
digital supply current 1
VDDD1 = 5.5 V
6580
95mA
VDDD1 = 5.0 V
5570
85mA
VDDD2
digital supply voltage 2
4.75
5.0
5.5
V
VSSD2
digital supply ground 2
−
0.0
−
V
IDDD2
digital supply current 2
VDDD2 = 5.5 V
5065
80mA
VDDD2 = 5.0 V
4555
65mA
Demodulator supplies and references
VDDA1
analog supply voltage for
demodulator part
4.75
5.0
5.5
V
VSSA1
analog ground for demodulator
part
−
0.0
−
V
IDDA1
analog supply current for
demodulator part
VDDA = 5.5 V
2026
31mA
VDDA = 5.0 V
1924
28mA
Vref1
analog reference voltage for
demodulator part
referenced to VDDA1/VSSA1
35
50
65
%
Iref1(sink)
Vref1 sink current
170
220
260
µA
Audio supplies and references
VDDA2
analog supply voltage for audio
ADC part
4.75
5.0
5.5
V
VSSA2
analog ground for audio ADC
part
−
0.0
−
V
IDDA2
analog supply current for audio
ADC part
VDDA = 5.5 V
11
14
17
mA
VDDA = 5.0 V
1013
16mA
VDDA3
analog supply voltage for audio
DAC part
4.75
5.0
5.5
V
VSSA3
analog ground for audio DAC
part
−
0.0
−
V
IDDA3
analog supply current for audio
DAC part
VDDA = 5.5 V; digital silence 9
12
14
mA
VDDA = 5.0 V; digital silence 8
11
13
mA
VSSA4
analog ground for operational
amplifier
−
0.0
−
V
VSSG
ground, guard rings for
analog-to-digital circuitry
−
0.0
−
V
Vref2
reference voltage for audio
ADCs
referenced to VDDA2/VSSA2
−
50
−
%



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