參數(shù)資料
型號: TDA9875
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
文件頁數(shù): 24/92頁
文件大?。?/td> 279K
代理商: TDA9875
1998 Feb 13
24
Philips Semiconductors
Preliminary specification
Digital TV Sound Processor (DTVSP)
TDA9875
B
3
3 dB bandwidth
from FM source to any
output
from NICAM source to any
output
from SIF1 or SIF2 to any
output
14.5
15
kHz
14.5
15
kHz
α
ct
crosstalk attenuation
65
70
dB
α
cs(stereo)
α
AM
stereo channel separation
AM suppression for FM
40
50
45
dB
dB
AM: 1 kHz,
30% modulation; reference:
1 kHz, 50 kHz deviation
DEP
D
de-emphasis
50
μ
s, 60
μ
s, 75
μ
s, J17,
adaptive de-emphasis
36
S/N
AM
AM demodulation
SIF level 100 mV (RMS);
54% AM; 1 kHz AF;
“CCIR468” quasi peak
dB
I
DENTIFICATION FOR
FM
SYSTEMS
mod
p
C/N
p
pilot modulation for identification
pilot sideband C/N for
identification start
25
50
32
75
%
hys
tun
f
ident
hysteresis
identification window
2
dB
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
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 4
1250
1400
mV
R
i
note 4
28
35
42
k
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Hz
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