TDA9817T 查看數據表（PDF） - Philips Electronics
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TDA9817T Datasheet PDF : 41 Pages
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Philips Semiconductors
Single/multistandard VIF/SIF-PLL and
FM-PLL/AM demodulators
Product specification
TDA9817; TDA9818
SYMBOL
PARAMETER
CONDITIONS
MIN.
Sound IF amplifier (pins SIF1 and SIF2)
Vi(SIF)(rms)
input signal voltage
sensitivity (RMS value)
FM mode; −3 dB at
−
intercarrier output pin QSS
AM mode; −3 dB at
−
AF output pin AF
Vi(max)(rms)
maximum input signal
voltage (RMS value)
FM mode; 1 dB at
65
intercarrier output pin QSS
AM mode; 1 dB at
65
AF output pin AF
GSIF(ctrl)
SIF gain control range
FM and AM mode;
60
see Fig.6
Ri(dif)
differential input resistance note 2
1.7
Ci(dif)
differential input
note 2
1.2
capacitance
VI(SIF)
αSIF,VIF
DC input voltage
crosstalk attenuation
between SIF and VIF
inputs
−
between pins VIF1
50
and VIF2, and pins SIF1
and SIF2; note 14
SIF AGC detector (pin CSAGC)
Ich(CSAGC)
charging current
FM mode
8
AM mode
0.8
Idch(CSAGC)
discharging current
FM mode
8
normal mode AM
1
fast mode AM
60
Single reference QSS intercarrier mixer (B/G standard; pin QSS)
Vo(rms)
IF intercarrier output level QSS mode;
100
(RMS value)
sound carrier 1;
sound carrier 2 off
L standard; without
100
modulation
intercarrier mode;
−
sound carrier 1;
sound carrier 2 off
Vo(peak)
IF intercarrier output level QSS mode
141
(peak value)
L standard;
255
80% AM modulation
Bs(−3dB)
−3 dB intercarrier
upper limit
7.5
bandwidth
αsc(rms)
residual sound carrier
(RMS value)
QSS mode; fundamental −
wave and harmonics
intercarrier mode;
−
fundamental wave and
harmonics
TYP.
MAX.
50
100
50
100
100
−
100
−
66
−
2.2
2.7
1.7
2.5
3.4
−
−
−
12
16
1.2
1.6
12
16
1.4
1.8
85
110
140
180
140
180
note 15 −
198
225
356
458
9
−
2
5
2
5
UNIT
µV
µV
mV
mV
dB
kΩ
pF
V
dB
µA
µA
µA
µA
µA
mV
mV
mV
mV
mV
MHz
mV
mV
2004 Jun 29
14
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