參數(shù)資料
型號: TDA9818T
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: Single/multistandard VIF/SIF-PLL and FM-PLL/AM demodulators
中文描述: AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24
封裝: 7.50 MM, PLASTIC, SOT-137-1, MS-013, SOP-24
文件頁數(shù): 13/41頁
文件大小: 240K
代理商: TDA9818T
2004 Jun 29
13
Philips Semiconductors
Product specification
Single/multistandard VIF/SIF-PLL and
FM-PLL/AM demodulators
TDA9817; TDA9818
Tuner AGC (pin TAGC)
V
i(rms)
IF input signal voltage for
minimum starting point of
tuner takeover
(RMS value)
IF input signal voltage for
maximum starting point of
tuner takeover
(RMS value)
permissible output voltage
input at pins VIF1
and VIF2; R
TOP
= 22 k
;
I
TAGC
= 0.4 mA
2
5
mV
input at pins VIF1
and VIF2; R
TOP
= 0
;
I
TAGC
= 0.4 mA
50
100
mV
V
o(TAGC)
from external source;
note 2
I
TAGC
= 1.5 mA
I
TAGC
= 0.4 mA
13.2
V
V
sat(TAGC)
V
TOP(TAGC)
/
T variation of takeover point
by temperature
I
TAGC(sink)
sink current
saturation voltage
0.03
0.2
0.07
V
dB/K
see Fig.5
no tuner gain reduction;
V
TAGC
= 13.2 V
maximum tuner gain
reduction
tuner gain current from
20% to 80%
5
μ
A
1.5
2
2.6
mA
G
IF
IF slip by automatic gain
control
6
8
dB
AFC circuit (pin AFC);
see Fig.9; note 12
control steepness
I
AFC
/
f
CR
stps
note 13
33.9 MHz
38.9 MHz
45.75 MHz
58.75 MHz
B/G and L standard;
I
AFC
= 0; note 4
L accent standard;
I
AFC
= 0; note 4
upper limit
lower limit
0.5
0.5
0.45
0.38
0.75
0.75
0.65
0.55
1.0
1.0
0.85
0.72
±
20
×
10
6
μ
A/kHz
μ
A/kHz
μ
A/kHz
μ
A/kHz
K
1
f
IF
/
T
frequency variation by
temperature
±
60
×
10
6
K
1
V
o(AFC)
output voltage
V
P
0.6 V
P
0.3
0.3
150
200
150
200
20
V
V
μ
A
μ
A
μ
A
0.6
250
250
30
I
o(source)(AFC)
I
o(sink)(AFC)
I
AFC(p-p)
output source current
output sink current
residual video modulation
current
(peak-to-peak value)
B/G and L standard
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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