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)： 19/68頁
文件大?。?/td> 231K
代理商： TDA9874AH
1999 Dec 03
19
Philips Semiconductors
Preliminary specification
Digital TV sound demodulator/decoder
TDA9874A
SIF1 and SIF2 analog inputs
V
SIF(max)(p-p)
maximum composite SIF input
voltage before clipping
(peak-to-peak value)
SIF input level adjustment
0 dB
SIF input level adjustment
10 dB
SIF input level adjustment
0 dB
SIF input level adjustment
10 dB
941
mV
2976
mV
V
SIF(min)(p-p)
minimum composite SIF input
voltage for lower limit of AGC
(peak-to-peak value)
59
mV
188
mV
AGC
f
i
R
i
C
i
f
FM
f
FM(FS)
AGC range
input frequency
input resistance
input capacitance
FM deviation
FM deviation full-scale level
4
10
±
100
±
150
24
7.5
9.2
11
dB
MHz
k
pF
kHz
kHz
AGCLEV = 0
B/G standard; THD < 1%
terrestrial FM; level
adjustment 0 dB;
demodulator filter bandwidth
set to narrow
B/G standard; THD < 1%;
demodulator filter bandwidth
set to extra wide
N
FM
bandwidth = 6 MHz;
white noise for S/N = 40 dB;
“CCIR468-2” quasi peak
N
N
bandwidth = 6 MHz; bit
error rate = 10
3
; white
noise
f
i
= 4 to 9.2 MHz
f
FM(max)
maximum FM deviation in high
deviation mode
±
335
kHz
C/N
FM
FM carrier-to-noise ratio
77
C/N
N
NICAM carrier-to-noise ratio
66
α
ct
crosstalk attenuation
SIF1 to SIF2
50
dB
Demodulator performance
V
o(nom)(rms)
nominal level output voltage
(RMS value)
total harmonic distortion plus
noise
note 1
400
500
600
mV
THD + N
from FM source to any
output;f
i
= 1 kHz;bandwidth
20 Hz to 20 kHz;
V
o
= 1 V (RMS)
from NICAM source to any
output;f
i
= 1 kHz;bandwidth
20 Hz to 20 kHz;
V
o
= 1 V (RMS)
0.3
0.5
%
0.1
0.3
%
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Hz
dB
Hz
dB
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相關(guān)代理商/技術(shù)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(chǎn)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(chǎn)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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