LA3460 查看數據表（PDF） - SANYO -> Panasonic

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LA3460

FM NC + MPX Demodulator for Car Stereo Tuners

SANYO -> Panasonic 

Ordering number : EN4842

Monolithic Linear IC

LA3460M

FM NC + MPX Demodulator

for Car Stereo Tuners

Overview

The LA3460M is a high performance car stereo tuner IC

that includes an FM noise canceller and a stereo multiplex

demodulator.

Functions

[Noise Canceller Block]

• Built-in low- and high-pass filters

• Noise AGC

• Pilot signal compensation function

[Multiplex Block]

• Adjustment-free VCO (456 kHz)

• Level follower type pilot canceller

• SNC (stereo noise control)

• HCC (high cut control)

• Stereo indicator driver

• VCO oscillator stop function

Features

[Noise Canceller Block]

• Improved ignition noise rejection during medium to

weak field reception

Adoption of a new noise AGC circuit

Optimized gate time

• High audio quality design with malfunction prevention in

the high frequency band and for overmodulated signals

Improved dynamic range low-pass and high-pass filters

[Multiplex Block]

• High signal-to-noise ratio and low distortion (stereo S/N

ratio: 79 dB, THD: 0.1 %)

• Good high frequency band separation (50 dB at 1 kHz

and 30 dB at 10 kHz)

• Adoption of a PLL circuit with an adjustment-free VCO

(456 kHz ceramic resonator)

• Improved pilot cancellation level (25 to 30 dB) using a

new cancellation circuit

• Built-in 114 kHz and 190 kHz anti-birdie filters

• Adoption of new SNC characteristics to reduce

multipath noise

• Reduced printed circuit board space requirements due to

the adoption of a mini-flat package (MFP-24)

Package Dimensions

unit: mm

3045B-MFP24

[LA3460M]

SANYO: MFP24

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 Bussiness Headquarters

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

93098HA(OT)/81994TH (OT) B8-0889 No. 4842-1/13

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