LC72144M Description
EN5377B CMOS LSI LC72144M PLL Frequency Synthesizer Overview The LC72144M is an electronic tuning PLL frequency synthesizer for use in car and home products, and allows high-performance multifunction tuners to be implemented easily, since it includes an A/D converter, a high-speed lockup circuit, and a crystal oscillator circuit that support AM up-conversion. mm 3112-MFP24S [LC72144M].
LC72144M Key Features
- 10 to 160 MHz on FMIN using pulse swallower
- 0.5 to 40.0 MHz on AMIN using pulse swallower and direct division
- General-purpose counters
- HCTR for 0.4 to 25.0 MHz frequency measurement
- LCTR for 10 to 500 kHz frequency measurement and 4.0 Hz to 20 × 103 Hz period measurement
- 4.5, 7.2, 10.25 or 10.35 MHz crystal
- Phase parator
- Insensitive band control
- Unlock detection
- Sub-charge pump for high-speed locking