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參數(shù)資料
| 型號： | TDA3845T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | 50 AMP LATCHING POWER RELAY |
| 中文描述： | AM, AUDIO DEMODULATOR, PDSO16 |
| 封裝： | PLASTIC, SO-16 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 137K |
| 代理商： | TDA3845T |
January 1993
6
Philips Semiconductors
Objective specification
Quasi split-sound circuit and AM
demodulator
TDA3845; TDA3845T
AF signal performance (note 8)
(S +W)/W
black picture
(S +W)/W
2T/20T pulses with white bars
(S +W)/W
6 kHz sinewave
(black-to-white modulation)
(S +W)/W
250 kHz square wave
(black-to-white modulation)
60/58
57/55
53/51
68/64
60/58
57/55
dB
dB
dB
50/44
56/50
dB
AM mode (standard L) note 9
S/N weighted in accordance with CCIR 468-3
V
6(RMS)
AF output signal (RMS value)
B
AF
AF bandwidth
THD
total harmonic distortion
(S +W)/W
signal-to-weighted-noise ratio
R
6
output resistance
V
6
DC potential
I
6(peak)
permissible AC output current
(peak value)
I
6
permissible DC output current
440
0.02
50
550
1
56
200
1.8
660
120
2
±
0.3
mV
kHz
%
dB
V
mA
3 dB; note 12
note 10
note 7
1
mA
Standard switch (note 4)
V
7
V
7
V
7
I
7
peak signal AGC (FM mode)
or switch open-circuit
mean signal AGC (AM mode)
switch current
at 0 V
at V
P1
at V
P2
V
P1
used
V
P2
used
1.8
1.8
V
P1
5.5
0.8
V
V
V
200
10
2.5
μ
A
μ
A
mA
via a 2.2 k
series resistor
Ripple rejection (note 13)
AM/AF signal
α
RR
voltage ripple on V
P
/
voltage ripple on output signal
FM phase noise
f(RMS)
intercarrier signal
30
40
dB
10
20
Hz
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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