參數(shù)資料
型號： TDA9874AH
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： Digital TV sound demodulator/decoder
中文描述： AM/FM, AUDIO DEMODULATOR, PQFP44
封裝： 14 X 14 MM, 2.20 MM HEIGHT, PLASTIC, SOT-205-1, QFP-44
文件頁數(shù)： 17/68頁
文件大?。?/td> 231K
代理商： TDA9874AH
1999 Dec 03
17
Philips Semiconductors
Preliminary specification
Digital TV sound demodulator/decoder
TDA9874A
9
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 NICAM 728 specification” 1 k
measurement source resistance for AF inputs; V
SIF
= 300 mV (p-p); AGCOFF = 0; AGCSLOW = 1; level and gain
settings according to note 1 with external components of Fig.9; unless otherwise specified.
CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Digital supplies
V
DDD1
V
SSD1
I
DDD1
digital supply voltage 1
digital ground supply 1
digital supply current 1
4.5
40
42
4.5
9
8
5.0
0.0
59
59
0.0
5.0
0.0
17
16
5.5
74
75
5.5
21
20
V
V
mA
mA
V
V
V
mA
mA
V
DDD1
= 5.5 V
V
DDD1
= 5.0 V
V
SSD2
V
DDD3
V
SSD3
I
DDD3
digital ground supply 2
digital supply voltage 3
digital ground supply 3
digital supply current 3
V
DDD3
= 5.5 V; SYSCLK off
V
DDD3
= 5.0 V; SYSCLK off
Power failure register
V
pfr
Demodulator supplies and references
power failure response voltage
4.0
V
V
DDA3
analog supply voltage 3,
demodulator part
analog ground supply 3,
demodulator part
analog supply current 3,
demodulator part
4.5
5.0
5.5
V
V
SSA3
0.0
V
I
DDA3
V
DDA3
= 5.5 V
V
DDA3
= 5.0 V
24
24
32
32
3.3
40
40
mA
mA
V
V
DEC1
analog supply decoupling
voltage for front-end
analog ground supply 2
analog reference voltage,
demodulator part
V
ref1
sink current
V
SSA2
V
ref1
0.0
2
V
V
I
ref1(sink)
Audio supplies and references
200
μ
A
V
DDA1
analog supply voltage 1,
operational amplifiers
analog ground supply 1,
operational amplifiers
analog supply current 1,
operational amplifiers
4.5
5.0
5.5
V
V
SSA1
0.0
V
I
DDA1
V
DDA1
= 5.5 V
V
DDA1
= 5.0 V
3
3
6
5
0.0
10
10
mA
mA
V
V
SSA4
analog ground supply 4, audio
DAC part
referencevoltage 2,audioDACs
and operational amplifiers
Z
(Vref2-VDDA3)
impedance V
ref2
to V
DDA3
V
ref2
referenced to V
DDA1
and
V
SSA1
50
%
20
k
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相關代理商/技術參數(shù)
參數(shù)描述
TDA9874AH/V2,557 功能描述:音頻放大器 DIGITAL STEREO DECODER VCR RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA9874AHB 功能描述:音頻放大器 DIGITAL STEREO DECODER VCR RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA9874APS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital TV sound demodulator/decoder
TDA9874H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital TV sound demodulator/decoder
TDA9875 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital TV Sound Processor DTVSP
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