LC72122V

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, 12.5, 15, and 25 kHz Phase comparator — Supports dead zone control — Built-in unlock detection circuit — Built-in deadlock clear circuit — Sub-charge pump for fast frequency locking Built-in MOS transistor for forming an active low-pass filter I/O ports — Dedicated output ports: 3 — I/O ports: 2 — Supports clock time base output Serial Data I/O — Supports CCB format communication with the system controller. Operating ranges — Supply voltage: 1.8 to 3.6 V — Operating temperature: –20 to +70°C Package —SSOP20 Package Dimensions unit: mm 3179A-SSOP20 1.0 4.4 1.6max 0.15 [LC72122V] 20 11 1 6.7 10 0.22 0.65 0.43 0.1 SANYO: SSOP20 CCB is a trademark of SANYO ELECTRIC CO., LTD. CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO. Any and all SANYO products described or cont...