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TDA3867T Datasheet

Quasi-split sound processor with two FM demodulators

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INTEGRATED CIRCUITS
DATA SHEET
TDA3867T
Quasi-split sound processor with
two FM demodulators
Preliminary specification
File under Integrated Circuits, IC02
January 1992


NXP Semiconductors Electronic Components Datasheet

TDA3867T Datasheet

Quasi-split sound processor with two FM demodulators

No Preview Available !

Philips Semiconductors
Preliminary specification
Quasi-split sound processor with two FM demodulators TDA3867T
FEATURES
Quasi-split sound processor for all FM standards e.g. B/G
Reduction of spurious video signals by tracking function and AFC for the vision carrier reference circuit; (indispensable
for NICAM)
AF2 signal automatically muted (at B/G) by the input signal level
GENERAL DESCRIPTION
Symmetrical IF input and gain controlled wideband IF amplifier.
AGC generation due to peak sync Reference amplifier for the regeneration of the vision carrier.
Optimized limiting amplifier for AM suppression in the regenerated vision carrier signal and 90° phase shifter.
Intercarrier mixer for FM sound, output with low-pass filter.
Separate signal processing for 5.5 and 5.74 MHz intercarriers.
Wide supply voltage range, only 300 mW power dissipation at 5 V.
QUICK REFERENCE DATA
SYMBOL
VP
IP
Vi IF
Vo
THD
S/N (W)
PARAMETER
supply voltage (pin 24)
supply current (pin 24)
IF input sensitivity (3 dB)
audio output signal (RMS value)
total harmonic distortion
weighted signal-to-noise ratio
for FM
for FM with 6 kHz sinus vision modulation
MIN.
4.5
TYP.
5
60
70
1
0.5
MAX.
8.8
72
100
UNIT
V
mA
µV
V
%
68
56
dB
dB
ORDERING AND PACKAGE INFORMATION
EXTENDED
TYPE NUMBER
TDA3867T
PINS
28
PACKAGE
PIN POSITION
mini-pack
MATERIAL
plastic
Note
1. SOT136-1; 1997 January 8.
CODE
SOT136A (1)
January 1992
2


Part Number TDA3867T
Description Quasi-split sound processor with two FM demodulators
Maker NXP
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