參數(shù)資料
型號(hào)： TDA9887TS/V3
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24
封裝： 5.30 MM, PLASTIC, MO-150, SOT-340-1, SSOP-24
文件頁(yè)數(shù)： 24/56頁(yè)
文件大?。?/td> 230K
代理商： TDA9887TS/V3
2002 Mar 05
30
Philips Semiconductors
Product specication
I2C-bus controlled multistandard alignment-free
IF-PLL demodulator with FM radio
TDA9887TS
THD
total harmonic distortion
75
s de-emphasis;
FM deviation: for
TV mode 25 kHz and
for radio mode
22.5 kHz
0.15
0.50
%
fAF
frequency deviation
THD < 1.5%; note 19
±55
kHz
6 dB AF output via
I2C-bus; note 19
±110
kHz
BAF(3dB)
3 dB AF bandwidth
without de-emphasis;
measured with FM-PLL
lter of Fig.23
80
100
kHz
S/NW(AF)
weighted signal-to-noise ratio of
audio signal
FM-PLL only;
27 kHz FM deviation;
50
s de-emphasis
52
56
dB
black picture;
see Fig.19
50
56
dB
S/NUW(AF)
unweighted signal-to-noise ratio radio mode; 22.5 kHz
modulation
58
dB
V
r(SC)(rms)
residual sound carrier
(RMS value)
fundamental wave and
harmonics; without
de-emphasis
2mV
α
AM(sup)
AM suppression of
FM demodulator
referenced to 27 kHz
FM deviation;
50
s de-emphasis;
AM: f = 1 kHz;
m = 54%
40
46
dB
PSRRFM
power supply ripple rejection
fripple = 70 Hz;
see Fig.4
14
20
dB
FM-PLL FILTER (PIN FMPLL)
Vloop
DC loop voltage
1.5
3.3
V
Io(source)(PD)(max)
maximum phase detector output
source current
60
A
Io(sink)(PD)(max)
maximum phase detector output
sink current
60
A
Io(source)(DAH)
output source current of digital
acquisition help
55
A
Io(sink)(DAH)
output sink current of digital
acquisition help
55
A
tW(DAH)
pulse width of digital acquisition
help current
16
s
Tcy(DAH)
cycle time of digital acquisition
help
64
s
KO(FM)
VCO steepness
denition:
fFM/VFMPLL
3.3
MHz/V
KD(FM)
phase detector steepness
denition:
IFMPLL/FM
4
A/rad
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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