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SC9257 - PLL FOR DIGITAL TUNING SYSTEM

General Description

The SC9257 is phase-locked loop (PLL) LSIs for digital tuning systems (DTS) with built in 2 modulus prescalers.

The LSIs are used to configure high-performance digital tuning systems, such as radio/cassette players.

Key Features

  • Available in DIP20, SOP20 packages.
  • High speed programmable dividers. SOP-20-300-1.27.
  • FMIN: 30 to 150 MHz (with 2 modulus prescaler).
  • AMIN: 0.5 to 40 MHz ( with 2 modulus prescaler or direct dividing ).
  • 16-bit programmable counter, dual parallel output phase.
  • Turns off FM, AM and IF amps when Standby mode function comparator, crystal oscillator and reference counter.
  • Serial data input and interface.
  • Uses 3.6MHz, 4.5MHz, 7.2MHz or 10.8MH.

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Datasheet Details

Part number SC9257
Manufacturer Silan Semiconductors
File Size 283.55 KB
Description PLL FOR DIGITAL TUNING SYSTEM
Datasheet download datasheet SC9257 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SC9257 PLL FOR DIGITAL TUNING SYSTEM DESCRIPTION The SC9257 is phase-locked loop (PLL) LSIs for digital tuning systems (DTS) with built in 2 modulus prescalers. The LSIs are used to configure high-performance digital tuning systems, such as radio/cassette players. They allow high-performance AM/FM tuners to be implemented easily DIP-20-300-2.54 FEATURES * Available in DIP20, SOP20 packages. * High speed programmable dividers. SOP-20-300-1.27 — FMIN: 30 to 150 MHz ..........(with 2 modulus prescaler) — AMIN: 0.5 to 40 MHz .......( with 2 modulus prescaler or direct dividing ) * 16-bit programmable counter, dual parallel output phase * Turns off FM, AM and IF amps when Standby mode function comparator, crystal oscillator and reference counter.