Datasheet4U Logo Datasheet4U.com

LC72122V - PLL Frequency Synthesizer

Description

Symbol Pin No.

Crystal oscillator connections (75 kHz) FMIN 12 Local oscillator signal input

FMIN is selected when the serial data input DVS bit is set to 1.

The input frequency range is from 10 to 250 MH

Features

  • High-speed programmable frequency divider.
  • FMIN: 10 to 250 MHz . . Pulse swallower (divide-by-two prescaler built in).
  • AMIN: 2 to 40 MHz Pulse swallower 0.5 to 10 MHz Direct division.
  • IF counter.
  • IFIN: 0.4 to 12 MHz For use as an AM/FM IF counter.
  • Reference frequency.
  • Selectable from one of nine frequencies (crystal oscillator: 75 kHz) 1, 2.5, 3, 5, 3.125, 6.25, 12.5, 15, and 25 kHz.
  • Phase comparator.
  • Supports dead z.

📥 Download Datasheet

Full PDF Text Transcription

Click to expand full text
Ordering number : ENN6113A CMOS IC LC72122V PLL Frequency Synthesizer for Portable Equipment Electronic Tuning Overview The LC72122V is a low-voltage (1.8 to 3.6 V) PLL frequency synthesizer IC that allows portable TV (VHF)/FM/AM tuners to be constructed easily. Features • High-speed programmable frequency divider — FMIN: 10 to 250 MHz ..Pulse swallower (divide-by-two prescaler built in) — AMIN: 2 to 40 MHz ......Pulse swallower 0.5 to 10 MHz ...Direct division • IF counter — IFIN: 0.4 to 12 MHz ......For use as an AM/FM IF counter • Reference frequency — Selectable from one of nine frequencies (crystal oscillator: 75 kHz) 1, 2.5, 3, 5, 3.125, 6.25, 12.
Published: |