TSA5522 - Philips

TSA5522 1.4 GHz I2C-bus controlled synthesizer

plastic shrink small outline package; 20 leads; body width 4.4 mm plastic small outline package; 16 leads; body width 3.9 mm APPLICATIONS • TV tuners and front-ends • VCR tuners. TSA5522 VERSION SOT266-1 SOT109-1 1996 Jan 23 2 Philips Semiconductors Product specification 1.4 GHz I2C-bus controlled synthesizer QUICK REFERENCE DATA SYMBOL VCC1 VCC2 ICC1 .

Features

• Complete 1.4 GHz single chip system
• Three PNP band switch buffers (20 mA)
• Four bus-controlled bidirectional ports (NPN open-collector outputs); only one port in 16-pin version
• 33 V tuning voltage output
• In-lock detector
• 5-step ADC
• Mixer-Oscillator (M/O) band switch output
• 15-bit programmable divider
• Programmable reference divider ratio (512, 640 or 1024)
• Programmable charge-pump current (50 or 250 µA)
• Varicap drive disable
• I2C-bus format
  – address plus 4 data bytes transmission (write mode)
  – address plus 1 status byte transmission (read mode)
  – three independent addres.