TSA6057 – Radio tuning PLL frequency synthesizer

Description

TSA6057 – Philips – Radio tuning PLL frequency synthesizer – Package DIP16

• On-chip AM and FM prescalers with high input
  sensitivity
• On-chip high performance one input (two output) tuning
  voltage amplifier for the AM and FM loop filters
• On-chip 2-level current amplifier (charge pump) to
  adjust the loop gain
• Only one reference oscillator (4 MHz) for both AM and FM
• High speed tuning due to a powerful digital memory
  phase detector
• 40 kHz output reference frequency for co-operation with the FM/IF system and microcomputer-based tuning interface IC (TEA6100)
• Oscillator frequency ranges of: 512 kHz to 30 MHz and 30 to 150 MHz
• 3 selectable reference frequencies of 1, 10 or 25 kHz for both tuning ranges
• Serial 2-wire I2C-bus interface to a microcontroller and one programmable address input
• Software controlled band switch output.