參數(shù)資料
型號(hào)： TDA9875AH
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： Digital TV Sound Processor DTVSP
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： PLASTIC, QFP
文件頁(yè)數(shù)： 22/96頁(yè)
文件大小： 296K
代理商： TDA9875AH
1999 Dec 20
22
Philips Semiconductors
Product specification
Digital TV Sound Processor (DTVSP)
TDA9875A
9
V
SIF(p-p)
= 300 mV; AGCOFF = 0; AGCSLOW = 0; AGCLEV = 0; level and gain settings in accordance with note 1;
V
DD
= 5 V; T
amb
= 25
°
C; settings in accordance with B/G standard; FM deviation
±
50 kHz; f
mod
= 1 kHz; FM sound
parameters in accordance with system A2; NICAM in accordance with “EBU specification” 1 k
measurement source
resistance for AF inputs; with external components of Fig.10; unless otherwise specified.
CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
V
DDD1
V
SSD1
I
DDD1
V
DDD2
V
SSD2
I
DDD2
digital supply voltage 1
digital supply ground 1
digital supply current 1
digital supply voltage 2
digital supply ground 2
digital supply current 2
4.75
58
4.75
0.1
5.0
0.0
73
5.0
0.0
0.4
5.5
88
5.5
2
V
V
mA
V
V
mA
note 2
V
DDD1
= 5.0 V
note 2
V
DDD2
= 5.0 V; system clock
output disabled
note 2
note 2
V
SSD3
V
SSD4
V
DDA
I
DDA
digital supply ground 3
digital supply ground 4
analog supply voltage
analog supply current for
DAC part
analog ground for analog
front-end
analog ground for audio ADC
part
analog ground for audio DAC
part
analog ground for SCART
4.75
44
0.0
0.0
5.0
56
5.5
68
V
V
V
mA
V
DDA
= 5.0 V; digital silence
V
SSA1
note 2
0.0
V
V
SSA2
note 2
0.0
V
V
SSA3
note 2
0.0
V
V
SSA4
Demodulator supply decoupling and references
0.0
V
V
DEC1
analog supply decoupling
voltage for demodulator part
analog reference voltage for
demodulator part
sink current at pin V
ref1
3.0
3.3
3.6
V
V
ref1
2
V
I
ref1(sink)
Audio supply decoupling and references
200
μ
A
V
DEC2
analog supply decoupling
voltage for audio ADC part
reference voltage ratio for
audio ADCs
impedance pins V
ref2
to V
DEC2
impedance pins V
ref2
to V
SSA2
reference voltage ratio for
audio DAC and operational
amplifier
impedance pins V
ref3
to V
DDA
impedance pins V
ref3
to V
SSA3
3.0
3.3
3.6
V
V
ref2
referenced to V
DEC2
and
V
SSA2
50
%
Z
Vref2-VDEC2
Z
Vref2-VSSA2
V
ref3
20
20
50
k
k
%
referenced to V
DDA
and
V
SSA3
Z
Vref3-VDDA
Z
Vref3-VSSA3
20
20
k
k
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參數(shù)描述
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