LC72146V View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LC72146V

PLL Frequency Synthesizer for Electronic Tuning

SANYO -> Panasonic 

Ordering number : ENN4922D

CMOS IC

LC72146, 72146M, 72146V

PLL Frequency Synthesizer

for Electronic Tuning

Overview

The LC72146 is a PLL frequency synthesizer LSI circuit

for electronic tuning in car stereo systems. The LC72146

supports the construction of high-performance, multi-

functional electronic tuning systems for the VHF MW,

and LW bands.

Features

• High-speed programmable dividers for

— 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 1.0 Hz to 20 × 103 kHz period measurement

• Reference frequencies: Twelve selectable reference

frequencies (4.5 or 7.2 MHz crystal) 1, 3, 5, 9, 10,

3.125, 6.25, 12.5, 25, 30, 50 and 100 kHz

• Phase comparator

— Insensitive band control

— Unlock detection

— Sub-charge pump for high-speed locking

— Deadlock clear circuit

• CCB input/output data interface

• Power-on reset circuit

• Built-in MOS transistor for a low-pass filter

• Inputs/outputs (using five general-purpose input/output

ports)

— Maximum of seven inputs (max)

— Maximum of seven outputs (max/four n-channel

open-drain and three CMOS outputs)

— Time-base output for clock (8 Hz)

• Operating ranges

— Supply voltage ..................................4.5 to 5.5 V

— Opetating temperature ......................–40 to 85°C

• Package

— DIP24S, MFP24S, SSOP24

• 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 contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft’s

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

N2001TN (OT)/73096HA (OT)/11095TH (OT) No. 4922-1/22

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