參數(shù)資料
型號(hào)： 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)： 21/68頁
文件大小： 231K
代理商： TDA9874AH
1999 Dec 03
21
Philips Semiconductors
Preliminary specification
Digital TV sound demodulator/decoder
TDA9874A
t
off(ident)
total identification time off
slow mode
medium mode
fast mode
2
1
0.5
s
s
s
Mono and external inputs
V
i(nom)(rms)
nominal level input voltage
(RMS value)
clipping level input voltage
(RMS value)
input resistance
note 1
500
mV
V
i(cl)(rms)
THD < 3%; note 5
1250
1400
mV
R
i
Analog audio outputs
note 5
28
35
42
k
V
o(clip)(rms)
clipping level output voltage
(RMS value)
output resistance
AC load resistor
DC load resistor
output load capacitor
static DC offset voltage
mute suppression
THD < 3%
1400
mV
R
o
R
L(AC)
R
L(DC)
C
o(L)
V
offset(DC)
α
mute
150
10
10
80
250
10
30
375
12
70
k
k
nF
mV
dB
nominal input signal from
any source; f
i
= 1 kHz;
note 1
from external and mono
source;
3 dB bandwidth
from any source
f
ripple
= 70 Hz;
V
ripple
= 100 mV (peak);
C
Vref
= 47
μ
F; signal from
I
2
S-bus
B
line
bandwidth
20
kHz
G
ro
PSRR
roll-off gain at 14.5 kHz
power supply ripple rejection
3
40
2
45
dB
dB
Audio performance
THD + N
total harmonic distortion plus
noise
V
in/out
= 1 V (RMS);
f
i
= 1 kHz; bandwidth
20 Hz to 20 kHz; from
external/mono input to
output copy
reference voltage
V
0
= 1.4 V (RMS);
f
i
= 1 kHz; “CCIR468-2”
quasi peak; from external or
mono input to output copy
between any analog input
pairs; f
i
= 1 kHz
between left and right of
external input pair
between left and right of
output pair
0.1
0.3
%
S/N
signal-to-noise ratio
78
90
dB
α
ct
crosstalk attenuation
70
dB
α
cs
channel separation
65
dB
60
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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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(fēng)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(fēng)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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