XR-T5682

XR-T5682 Voltage Controlled Crystal Oscillator GENERAL DESCRIPTION The XR-T5682 is a bipolar monolithic voltage controlled crystal oscillator IC designed for general purpose crystal phase locked loop (Pll) and particularly in data rate conversion, jitter reduction, and down multiplexing applications in PCM systems operating at 1.536, 1.544 and 2.048 M/bits/s data rates. It is packaged in 18 pin CERDIP and can operate from 4.75 to 5.25 volts. FUNCTIONAL BLOCK DIAGRAM CRYSTAL TERMINAL 1 TIMING RES. GND (OV) PHASE SHIFT COUPLE CRYSTAL TERMINAL 2 TANK PHASE SHIFT liP 2 PHASE SHIFT liP 1 VCO CONTROL 2 VCO CONTROL 1 DUTY CYCLE SET RESISTOR FEATURES Single +5V Circuit Built-in Programmable Analog Divider TTL Compatible Clock Signal Output Adjustable Duty Cycle of the Output Clock Squarewave Uses Phase Lead/lag Capacitor and Inductor Instead of a Varactor Diode to Control Frequency ORDERING INFORMATION Part Number XR-T5682 Package Ceramic Operating Temperature O°C to 70°C ABS...