Product Summary

The TSA5522T is a 1.4 GHz I2C-bus controlled synthesizer. It can be used in (1)TV tuners and front-ends; (2)VCR tuners.

Parametrics

TSA5522T absolute maximum ratings: (1)supply voltage (+5 V): 4.5 to 5.5 V; (2)band switch supply voltage (+12 V): 12 V; (3)supply current: 22 V; (4)band switch supply current: 27 to 32 mA; (5)Storage Temperature Range: -40 to +150°C; (6)operating ambient temperature: -20 to +85°C; (7)PNP band switch buffers output current: 20 mA; (8)NPN open-collector output current: 20 mA.

Features

TSA5522T features: (1)Low power and low radiation.; (2)Complete 1.4 GHz single chip system; (3)Three PNP band switch buffers (20 uA); (4)Four bus-controlled bidirectional ports (NPN open-collector outputs); only one port in 16-pin version; (5)33 V tuning voltage output; (6)In-lock detector; (7)5-step ADC; (8)Mixer-Oscillator (M/O) band switch output; (9)15-bit programmable divider; (10)Programmable reference divider ratio (512, 640 or 1024); (11)Programmable charge-pump current (50 or 250 uA); (12)Varicap drive disable.

Diagrams

TSA5522T pin connection