ST7162

www.DataSheet4U.com ST7162 UNIVERSAL PROGRAMMABLE DUAL PLL PRODUCT PREVIEW TWO INDEPENDENT PLL WITH 16 BITS PROGRAMMABLE DIVIDERS FROM 13 TO 65535 FOR TRANSMIT AND RECEIVE LOOPS ON CHIP REFERENCE OSCILLATOR COMMON FOR THE TWO LOOPS UP TO 16MHz WITH EXTERNAL CRYSTAL TWO INDEPENDENT PROGRAMMABLE REFERENCE COUNTERS: - 12 bits programmable counter from 13 to 4095 followed by selectable dividers by 1, 4 and 25 - 14 bits auxiliary programmable counter from 13 to 16383 A MCU CLOCK DERIVED FROM REFERENCE OSCILLATOR WITH A SELECTABLE DIVISION FACTOR OF 3 OR 4 TWO INDEPENDENT PFD (PHASE FREQUENCY DISCRIMINATOR) WITH 3 STATE OUTPUTS LOCK DETECT SIGNAL OUTPUT FOR THE TRANSMIT LOOP 3 & 4 WIRES SELECTABLE MCU SERIAL INTERFACE, FOR SIMULTANEOUS PROGRAMMING OF 2 COUNTERS STAND-BY MODE MAIN CHARACTERISTICS High input sensitivity: 200mVpkpk @ 60MHz Low consumption: 3.5mA @ 3V for the two loops Power supply voltage: 3V to 5V Operating temperature range: –25°C to +70°C DIP16 ORDERING NUMBER: ST7162N SO16 ORDERING NUMBER: ST7162D PIN CONNECTION (Top view) DESCRIPTION The ST7162 is a dual frequency synthesizer in High Speed CMOS technology for radio applications with a frequency up to 60MHz. The low power consumption and high flexibility make it well suitable for cordless CT0 applications in various countries. July 1993 1/17 This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice. ST7162 BLOCK DIAGRAM ABSOLU...