Datasheet Summary
Ordering number : ENN6113A
CMOS IC
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, 12.5, 15, and 25 kHz
- Phase...