參數(shù)資料
型號： TDA9870A
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： Digital TV Sound Processor DTVSP
中文描述： SPECIALTY CONSUMER CIRCUIT, PDIP64
封裝： SHRINK, PLASTIC, DIP
文件頁數(shù)： 23/88頁
文件大?。?/td> 362K
代理商： TDA9870A
1998 Aug 10
23
Philips Semiconductors
Product specification
Digital TV Sound Processor (DTVSP)
TDA9870A
α
cs(stereo)
α
AM
stereo channel separation
AM suppression for FM
note 5
AM: 1 kHz, 30%
modulation; reference:
1 kHz, 50 kHz deviation
SIF level 100 mV (RMS);
54% AM; 1 kHz AF;
“CCIR468” quasi peak
40
50
45
dB
dB
S/N
AM
AM demodulation
36
45
dB
I
DENTIFICATION FOR
FM
SYSTEMS
mod
p
pilot modulation for
identification
pilot sideband C/N for
identification start
25
50
75
%
C/N
p
27
f
ident
identification window
B/G stereo
slow mode
medium mode
fast mode
B/G dual
slow mode
medium mode
fast mode
slow mode
medium mode
fast mode
slow mode
medium mode
fast mode
116.85
116.11
114.65
118.12
118.89
120.46
Hz
Hz
Hz
273.44
272.07
270.73
274.81
276.20
277.60
2
1
0.5
2
1
0.5
Hz
Hz
Hz
s
s
s
s
s
s
t
ident(on)
total identification time ON
t
ident(off)
total identification time OFF
Analog audio inputs
M
ONO INPUT AND EXTERNAL INPUT
V
i(nom)(rms)
nominal level input voltage
(RMS value)
clipping level input voltage
(RMS value)
input resistance
note 3
500
mV
V
i(clip)(rms)
THD < 3%; note 6
1250
1400
mV
R
i
SCART
INPUTS
note 6
28
35
42
k
V
i(nom)(rms)
nominal level input voltage at
input pin (RMS value)
3 dB divider with external
15 k
resistor;
notes 3 and 7
3 dB divider with external
15 k
resistor; THD < 3%;
notes 6 and 7
note 6
350
mV
V
i(clip)(rms)
clipping level input voltage at
input pin (RMS value)
1250
1400
mV
R
i
input resistance
28
35
42
k
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Hz
dB
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參數(shù)描述
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