LC72151V

Ordering number : ENN6976A CMOS IC LC72151V PLL Frequency Synthesizer for Electronic Tuning in Car Audio Systems Overview The LC72151V is a PLL frequency synthesizer for car audio systems. It can implement high-performance multifunction tuners such as RDS tuners and features a fast locking circuit. Functions High-speed programmable divider — FMIN: 10 to 160 MHz: Pulse swallower type — AMIN: 2 to 40 MHz: Pulse swallower type 0.5 to 10 MHz: Direct division type IF counter — HCTR: 0.4 to 25 MHz: for FM IF count — LCTR: 10 to 500 kHz: for AM IF count 1.0 to 20 × 103 Hz: for frequency measurement Reference frequency — One of 11 frequencies may be selected (when a 10.25 or 10.35 MHz crystal is used) 50, 30*, 25, 12.5, 10, 9*, 6.25, 5, 3.125, 3*, 1 kHz Note: Cannot be used when a 10.25 MHz crystal is used Phase comparator — Supports dead band control — Built-in unlock detection circuit — Built-in deadlock clearing circuit Built-in amplifier for forming a...