tda3845t NXP Semiconductors, tda3845t Datasheet - Page 6
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tda3845t
Manufacturer Part Number
tda3845t
Description
Quasi Split-sound Circuit And Am Demodulator
Manufacturer
NXP Semiconductors
Datasheet
1.TDA3845T.pdf
(18 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TDA3845T
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Philips Semiconductors
January 1993
AF signal performance (note 8)
(S +W)/W
(S +W)/W
(S +W)/W
(S +W)/W
AM mode (standard L) note 9
S/N weighted in accordance with CCIR 468-3
V
B
THD
(S +W)/W
R
V
I
I
Standard switch (note 4)
V
V
V
I
Ripple rejection (note 13)
AM/AF signal
FM phase noise
6(peak)
6
7
SYMBOL
RR
f(RMS)
6(RMS)
AF
6
6
7
7
7
Quasi split-sound circuit and AM
demodulator
black picture
2T/20T pulses with white bars
6 kHz sinewave
(black-to-white modulation)
250 kHz square wave
(black-to-white modulation)
AF output signal (RMS value)
AF bandwidth
total harmonic distortion
signal-to-weighted-noise ratio
output resistance
DC potential
permissible AC output current
(peak value)
permissible DC output current
peak signal AGC (FM mode)
mean signal AGC (AM mode)
switch current
voltage ripple on V
voltage ripple on output signal
intercarrier signal
or switch open-circuit
at 0 V
at V
at V
P1
P2
PARAMETER
P
/
note 10
note 7
V
V
via a 2.2 k series resistor
3 dB; note 12
P1
P2
used
used
CONDITIONS
6
60/58
57/55
53/51
50/44
440
0.02
50
1.8
1.8
30
MIN.
TDA3845; TDA3845T
68/64
60/58
57/55
56/50
550
1
56
200
1.8
40
10
TYP.
Objective specification
660
120
2
V
5.5
0.8
10
2.5
20
0.3
1
200
MAX.
P1
dB
dB
dB
dB
mV
kHz
%
dB
V
mA
mA
V
V
V
mA
dB
Hz
UNIT
A
A