TDA7326 Datasheet, PDF (1/16 Pages) STMicroelectronics – AM-FM RADIO FREQUENCY SYNTHESIZER

TDA7326
AM-FM RADIO FREQUENCY SYNTHESIZER
FM INPUT AND PRECOUNTER FOR UP TO
140MHz
AM INPUT FOR UP TO 40MHz
6-BIT SWALLOW COUNTER, 8-BIT PRO-
GRAMMABLE COUNTER FOR FM AND SW
14-BIT PROGRAMMABLE COUNTER FOR
LW AND MW
THREE WIRES 8-BIT SERIAL INTERFACE
ON-CHIP REFERENCE OSCILLATOR AND
COUNTER
PROGRAMMABLE SCANNING STEPS FOR
AM AND FM
DIGITAL PHASE DETECTOR AND LOOP FIL-
TER
TWO SEPARATE FREE PROGRAMMABLE
FILTER APPLICATIONS AVAILABLE
TUNING VOLTAGE OUTPUT 0.5 TO 9.5V
PROGRAMMABLE CURRENT SOURCES TO
SET THE LOOP GAIN
ON-CHIP POWER ON RESET
STANDBY MODE
DIP16
SO16W
ORDERING NUMBERS: TDA7326 (DIP16)
TDA7326D (SO16W)
DESCRIPTION
The TDA7326 is a PLL frequency synthesizer in
CMOS technology that performs all the function of
a PLL radio tuning system for FM and AM (LW,
MW, SW)
BLOCK DIAGRAM
July 1994
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