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


Pinout




Specifications

SYMBOL	PARAMETER	MIN.	MAX.	UNIT
VP	supply voltages (pin 24)	-	8.8	V
Vn	input and output voltage (pins 9, 10, 18, 20, 22, 27 and 28)	0	VP	V
Ptot	total power dissipation	0	635	mW
Tstg	storage temperature range	-25	150
Tamb	operating ambient temperature range	0	70
VESD	electrostatic handling(1) all pins except 27 and 28	±500	-	V
	pins 27 and 28	+400 -500	- -	V V

Description

Symmetrical IF input and gain controlled wideband IF amplifier TDA3867T.

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 arrier signal and 90°phase shifter.

Intercarrier mixer TDA3867T 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.