Sanyo LA7953 Specifications

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.

Monolithic Linear IC

Audio Controller for TV Use

Ordering number:ENN2713A

LA7953

SANYO Electric Co.,Ltd. Semiconductor Company

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

Overview

The LA7953 Audio Controller is a single-chip, liner IC
featuring a built-in expansion circuit. The device also fea­tures a 4-input 1-output audio switch, an acoustic mute, a
LINE-OUT output, and audio control functions for volume,
balance, bass and treble on-chip.
Excellent audio reproduction can be obtained using the right
channel expansion circuit.
The LA7953 operates on a single 12V power supply and is
available in 30-pin plastic DIPs.

Features

• On-chip audio controller and audio switch facilitate de­sign.

• Audio controller for volume, balance, bass and treble.

• 4-input/1-output audio switch.

• On-chip expansion circuit ensures excellent sound repro­duction.

• LINE-OUT output.

• Acoustic mute.

Specifications

Maximum Ratings at Ta = 25˚C

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Package Dimensions

unit:mm

3061-DIP30S

30

1

1.15

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CC

1.78

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[LA7953]

27.2

0.48 0.95

16

8.6

10.16

15

4.25

4.95max

3.2

0.51min

SANYO : DIP30S

Continued on next page.

0.25

12501TN (KT)/O2095TH (KOTO)/7128TA, TS (KOTO) No.2713–1/7

LA7953

Continued from preceding page.

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Operating Conditions at Ta = 25˚C

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Operating Characteristics at Ta = 25˚C, VCC=12V

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No.2713–2/7

LA7953

Audio Switch Truth Table

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No.2713–3/7