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參數(shù)資料
| 型號： | TDA9875AH/V2,557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, QFP |
| 文件頁數(shù)： | 15/96頁 |
| 文件大?。?/td> | 324K |
| 代理商： | TDA9875AH/V2,557 |
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1999 Dec 20
22
Philips Semiconductors
Product specication
Digital TV Sound Processor (DTVSP)
TDA9875A
9
CHARACTERISTICS
VSIF(p-p) = 300 mV; AGCOFF = 0; AGCSLOW = 0; AGCLEV = 0; level and gain settings in accordance with note 1;
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 specication”; 1 k
measurement source
resistance for AF inputs; with external components of Fig.10; unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
VDDD1
digital supply voltage 1
4.75
5.0
5.5
V
VSSD1
digital supply ground 1
note 2
0.0
V
IDDD1
digital supply current 1
VDDD1 = 5.0 V
5873
88mA
VDDD2
digital supply voltage 2
4.75
5.0
5.5
V
VSSD2
digital supply ground 2
note 2
0.0
V
IDDD2
digital supply current 2
VDDD2 = 5.0 V; system clock
output disabled
0.1
0.4
2
mA
VSSD3
digital supply ground 3
note 2
0.0
V
VSSD4
digital supply ground 4
note 2
0.0
V
VDDA
analog supply voltage
4.75
5.0
5.5
V
IDDA
analog supply current for
DAC part
VDDA = 5.0 V; digital silence
44
56
68
mA
VSSA1
analog ground for analog
front-end
note 2
0.0
V
VSSA2
analog ground for audio ADC
part
note 2
0.0
V
VSSA3
analog ground for audio DAC
part
note 2
0.0
V
VSSA4
analog ground for SCART
0.0
V
Demodulator supply decoupling and references
VDEC1
analog supply decoupling
voltage for demodulator part
3.0
3.3
3.6
V
Vref1
analog reference voltage for
demodulator part
2
V
Iref1(sink)
sink current at pin Vref1
200
A
Audio supply decoupling and references
VDEC2
analog supply decoupling
voltage for audio ADC part
3.0
3.3
3.6
V
Vref2
reference voltage ratio for
audio ADCs
referenced to VDEC2 and
VSSA2
50
%
ZVref2-VDEC2
impedance pins Vref2 to VDEC2
20
k
ZVref2-VSSA2
impedance pins Vref2 to VSSA2
20
k
Vref3
reference voltage ratio for
audio DAC and operational
amplier
referenced to VDDA and
VSSA3
50
%
ZVref3-VDDA
impedance pins Vref3 to VDDA
20
k
ZVref3-VSSA3
impedance pins Vref3 to VSSA3
20
k
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