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參數(shù)資料
| 型號(hào)： | 93526374518 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 接收器 |
| 英文描述： | FM, AUDIO DEMODULATOR, PQFP44 |
| 封裝： | PLASTIC, SOT-205, QFP-44 |
| 文件頁(yè)數(shù)： | 52/71頁(yè) |
| 文件大小： | 269K |
| 代理商： | 93526374518 |
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2000 Aug 04
56
Philips Semiconductors
Product specication
Digital TV sound demodulator/decoder
TDA9874A
tident(off)
total identication time off
slow mode
2s
medium mode
1s
fast mode
0.5
s
Mono and external inputs
Vi(nom)(rms)
nominal level input voltage
(RMS value)
note 1
500
mV
Vi(clip)(rms)
clipping level input voltage
(RMS value)
THD < 3%; note 5
1250
1400
mV
Ri
input resistance
note 5
28
35
42
k
Analog audio outputs
Vo(clip)(rms)
clipping level output voltage
(RMS value)
THD < 3%
1400
mV
Ro
output resistance
150
250
375
RL(AC)
AC load resistor
10
k
RL(DC)
DC load resistor
10
k
CL
output load capacitor
10
12
nF
Voffset(DC)
static DC offset voltage
30
70
mV
α
mute
mute suppression
nominal input signal from
any source; fi = 1 kHz;
note 1
80
dB
Bline
bandwidth
from external and mono
source;
3 dB bandwidth
20
kHz
Gro
roll-off gain at 14.5 kHz
from any source
3
2
dB
PSRR
power supply ripple rejection
fripple = 70 Hz;
Vripple = 100 mV (peak);
CVref =47 F; signal from
I2S-bus
40
45
dB
Audio performance
THD + N
total harmonic distortion plus
noise
Vi =Vo = 1 V (RMS);
fi = 1 kHz; bandwidth
20 Hz to 20 kHz; from
external or mono input to
output copy
0.1
0.3
%
S/N
signal-to-noise ratio
reference voltage
Vo = 1.4 V (RMS);
fi = 1 kHz; “CCIR468-2”;
quasi peak; from external or
mono input to output copy
78
90
dB
α
ct
crosstalk attenuation
between any analog input
pairs; fi = 1 kHz
70
dB
αcs
channel separation
between left and right of
external input pair
65
dB
between left and right of
output pair
60
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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