Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate

the performance, characteristics, and functions of the described products in the independent state, and are not

guarantees of the performance, characteristics, and functions of the described products as mounted in the

customer

device, the customer should always evaluate and test devices mounted in the customer

equipment.

Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to

"standard application", intended for the use as general electronics equipment. The products mentioned herein

shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life,

aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system,

safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives

in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any

guarantee thereof. If you should intend to use our products for new introduction or other application different

from current conditions on the usage of automotive device, communication device, office equipment, industrial

equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the

intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely

responsible for the use.

O3112HK 20120919-S00009/51407HKIM 20070328-S00008,S00009 No.A0788-1/22

LC72131K

LC72131KMA

Overview

The LC72131K and LC72131KMA are PLL frequency synthesizers for use in tuners in radio/cassette players.

They allow high-performance AM/FM tuners to be implemented easily.

Features

 High speed programmable dividers

 FMIN: 10 to 160MHz …………………….. pulse swallower (built-in divide-by-two prescaler)

 AMIN: 2 to 40MHz ………………………. pulse swallower

0.5 to 10MHz …………………….. direct division

 IF counter

 IFIN: 0.4 to 12MHz ………………………. AM/FM IF counter

 Reference frequencies

 Twelve selectable frequencies (4.5 or 7.2MHz crystal)

 100, 50, 25, 15, 12.5, 6.25, 3.125, 10, 9, 5, 3, 1kHz

 Phase comparator

 Dead zone control

 Unlock detection circuit

 Deadlock clear circuit

 Built-in MOS transistor for forming an active low-pass filter

 I/O ports

 Dedicated output ports: 4

 Input or output ports: 2

 Support clock time base output

 Serial data I/O

 Support CCB format communication with the system controller.

Continued on next page.

Ordering number : ENA0788A

CMOS IC

PLL Frequency Synthesizer

Semiconductor for this format.