器件名称: LC72137
功能描述: PLL Frequency Synthesizer for Electronic Tuning
文件大小: 351.93KB 共23页
简 介:Ordering number : EN5743
CMOS IC
LC72137, 72137M
PLL Frequency Synthesizer for Electronic Tuning
Overview
The LC72137 and LC72137M are PLL frequency synthesizers for use in radio/cassette players. They allow high-performance AM/FM tuners to be implemented easily.
Package Dimensions
unit: mm 3059-DIP22S
[LC72137]
Features
High-speed programmable frequency divider — FMIN: 10 to 160 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 eight frequencies (crystal oscillator: 75 kHz) 1, 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 Built-in MOS transistor for forming an active low-pass filter I/O ports — Dedicated output ports: 4 — 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: 2.5 to 3.6 V — Operating temperature: –20 to +70°C Packages —DIP22S/MFP20
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.
SANYO: DIP22S
unit: mm 3036B-MFP20
[LC72137M]
SANYO: MFP20
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome,……
