LA1844M Просмотр технического описания (PDF) - SANYO -> Panasonic

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LA1844M

For Home Stereo Single-chip Tuner IC

SANYO -> Panasonic 

Ordering number : EN7930A

LA1844

LA1844M

Monolithic Linear IC

For Home Stereo

Single-chip Tuner IC

Overview

The LA1844, LA1844M is designed for use in mini systems and is a single-chip tuner IC that provides electronic tuning

functions using SD/IF-count technique. It incorporates a pilot canceler and an adjustment-free MUX VCO circuit, thus

allows additional parts to be reduced.

Features

• Integrated MPX VCO (ceramic resonators are no longer required.)

• Built-in adjacent channel interference rejection function (114kHz, 190kHz)

• Supports both SD and IF-count techniques

• Both FM SD sensitivity and bandwidth can be set

• Pilot canceler built in.

• Package : DIP24S(300mil) [LA1844], MFP24S(300mil) [LA1844M]

Functions

• AM : RF amplifier, mixer, oscillator, IF amplifier, detector, AGC, SD, oscillator buffer, IF buffer, stereo IF output,

AGC time constant switch

• FM IF : IF amplifier, quadrature detector, S-meter, SD (signal detection), S-curve detection, IF buffer output

• MPX : PLL stereo decoder, stereo display, forced monaural, VCO stop, audio muting, adjacent channel interference

rejection function, pilot canceler

Any and all SANYO Semiconductor 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 Semiconductor representative

nearest you before usingany SANYO Semiconductor products described or contained herein in such

applications.

SANYO Semiconductor 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 Semiconductor

products described or contained herein.

83006 / 52106 MS OT B8-7111 No.7930A-1/11

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