參數(shù)資料
型號(hào): TDA9818T/V1,118
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24
封裝: 7.50 MM, PLASTIC, SOT-137-1, MS-013, SOP-24
文件頁數(shù): 6/41頁
文件大?。?/td> 240K
代理商: TDA9818T/V1,118
2004 Jun 29
14
Philips Semiconductors
Product specication
Single/multistandard VIF/SIF-PLL and
FM-PLL/AM demodulators
TDA9817; TDA9818
Sound IF amplier (pins SIF1 and SIF2)
Vi(SIF)(rms)
input signal voltage
sensitivity (RMS value)
FM mode;
3 dB at
intercarrier output pin QSS
50
100
V
AM mode;
3 dB at
AF output pin AF
50
100
V
Vi(max)(rms)
maximum input signal
voltage (RMS value)
FM mode; 1 dB at
intercarrier output pin QSS
65
100
mV
AM mode; 1 dB at
AF output pin AF
65
100
mV
GSIF(ctrl)
SIF gain control range
FM and AM mode;
see Fig.6
60
66
dB
Ri(dif)
differential input resistance note 2
1.7
2.2
2.7
k
Ci(dif)
differential input
capacitance
note 2
1.2
1.7
2.5
pF
VI(SIF)
DC input voltage
3.4
V
αSIF,VIF
crosstalk attenuation
between SIF and VIF
inputs
between pins VIF1
and VIF2, and pins SIF1
and SIF2; note 14
50
dB
SIF AGC detector (pin CSAGC)
Ich(CSAGC)
charging current
FM mode
8
12
16
A
AM mode
0.8
1.2
1.6
A
Idch(CSAGC)
discharging current
FM mode
8
12
16
A
normal mode AM
1
1.4
1.8
A
fast mode AM
60
85
110
A
Single reference QSS intercarrier mixer (B/G standard; pin QSS)
Vo(rms)
IF intercarrier output level
(RMS value)
QSS mode;
sound carrier 1;
sound carrier 2 off
100
140
180
mV
L standard; without
modulation
100
140
180
mV
intercarrier mode;
sound carrier 1;
sound carrier 2 off
note 15
mV
Vo(peak)
IF intercarrier output level
(peak value)
QSS mode
141
198
225
mV
L standard;
80% AM modulation
255
356
458
mV
Bs(3dB)
3 dB intercarrier
bandwidth
upper limit
7.5
9
MHz
αsc(rms)
residual sound carrier
(RMS value)
QSS mode; fundamental
wave and harmonics
25
mV
intercarrier mode;
fundamental wave and
harmonics
25
mV
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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