LC72131KM View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

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LC72131KM

CMOS IC PLL Frequency Synthesizer

SANYO -> Panasonic 

Ordering number : ENA0788

LC72131K CMOS IC

LC72131KM PLL Frequency Synthesizer

Overview

The LC72131K and LC72131KM 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

Continued on next page.

• CCB is a registered trademark of SANYO Semiconductor Co., Ltd.

• CCB is SANYO Semiconductor's original bus format. All bus addresses are managed by SANYO

Semiconductor for this format.

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 (home appliances, AV equipment,

communication device, office equipment, industrial equipment etc.). 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 applications outside the standard applications of our

customer who is considering such use and/or outside the scope of our intended standard applications, please

consult with us 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.

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's products or equipment. To verify symptoms and states that cannot be evaluated in an independent

device, the customer should always evaluate and test devices mounted in the customer's products or

equipment.

51309HKIM 20070328-S00008,S00009 No.A0788-1/22

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