Stereo Preamplifier for Compact Double Cassette

Playback-only Use

Overview

The LA3246 is a stereo preamplifier IC for double cassette

tape playback-only use. The LA3246 is intended for use in

portable radio-cassette tape recorders and tape decks.

Applications

.

Stereo compact cassette player for playback-only use

.

Stereo cassette deck player

Functions

.

Preamplifier

× 2, Mixing amplifier × 1, Electronic switch × 6

Features

.

On-chip electronic switch for input select (auto reverse or

A deck/B deck select)

.

On-chip electronic switch for normal/higher dubbing select

and electronic switch for metal/normal tape select

.

.

With output MIX pin (for music select control)

.

NAB)

.

Can be used in conjunction with the LA3240, 3241, 3242 to

easily make up a doublecassette dubbing system.

Package Dimensions

unit : mm

3021B-DIP20

[LA3246]

SANYO : DIP20 (300 mil)

Specifications

Maximum Ratings at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Maximum supply voltage

16

V

Allowable power dissipation

Pd max

500

mW

Operating temperature

Topr

–20 to +75

°C

Storage temperature

Tstg

–40 to +125

°C

Maxiumum Ratings at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Recommended supply voltage

6V

Operating voltage range

3.5 to 14

V

Ordering number: EN 2651B

Monolithic Linear IC

LA3246

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

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

D3097HA(II)/41594HK/N107TA, TS No.2651-1/13