LA4590W View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

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LA4590W

1.5 V Stereo Headphone Preamplifier and Power Amplifier

SANYO -> Panasonic 

Ordering number : EN4468A

Monolithic Linear IC

LA4590W

1.5 V Stereo Headphone Preamplifier

and Power Amplifier

Overview

The LA4590W is a system IC that collects the functions

required for a playback set in a single chip, and reduces

the number of required external components. Furthermore,

a recording system can be formed by combining the

LA4590W with the LA3235W.

Functions

• Stereo preamplifier (including functions for auto-

reverse, metal/normal tape switching, and muting)

• Stereo power amplifier (including OCL and muting

functions)

• Two ripple filters (single channel on/off switching)

• Low boost (BTL operation at low frequencies)

• AMS (inter-station detection function)

• Power switch

Features

• Preamplifier requires no NF capacitors.

• Virtual ground impedance is reduced by built-in VREF

amplifier.

• Ripple filter oscillation suppression requires no

capacitors.

• Power output available when low boost is on.

(Po = 21 mW, VCC = 1.2 V, f = 100 Hz)

• High cut capacitors built into preamplifier and power

amplifier. Buzz suppression

• Miniature package: SQFP-48 (0.5 mm pitch)

Package Dimensions

unit: mm

3163-SQFP48

[LA4590W]

PD max– Ta

SANYO: SQFP48

Ambient temperature, Ta – °C

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

O3098HA (OT)/51894 (OT) A8-9763, 9024 No. 4468-1/19

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