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Ordering number : ENN7140

Monolithic Linear IC

LA2902V

Four-Channel High-Output Line Amplifier

for Car Audio Systems

Overview

The LA2902V is a high output level 4-channel line

amplifier designed for car audio systems. This line

amplifier provides an output signal with a significantly

higher amplitude than the output signal provided by earlier

preamplifiers. This higher amplitude significantly

improves the signal-to-noise ratio in the connection from

the main unit to the external power amplifier, and results

in improved power amplifier performance.

The LA2902V also significantly reduces the required

mounting area by cutting in half the number of external

capacitors required for boosting the signal-system supply

voltage and is available in SSOP miniature package.

Package Dimensions

unit: mm

3175B-SSOP24 (275 mil)

[LA2902V]

7.8

24

5.6

1

1.5max

(0.33)

0.65

0.22

(1.3)

0.15

Functions and Features

鈥?/div>

High output level (5.3 Vrms)

Low output noise voltage (17 碌V)

Low total harmonic distortion (0.004%)

High ripple rejection ratio (65 dB)

Fewer external parts required

Excellent audio fidelity

SANYO: SSOP24 (275 mil)

Specifications

Maximum Ratings

at Ta = 25擄C

Parameter

Maximum supply voltage

Allowable power dissipation

Operating temperature

Storage temperature

Symbol

V

CC

max

Pd max

Topr

Tstg

With no input signal

Ta

鈮?/div>

85擄C, Mounted on a printed circuit board

(114.3

脳

76.1

脳

1.6 mm

3

, glass epoxy)

Conditions

Ratings

13

400

鈥?0 to +85

鈥?0 to +150

Unit

V

mW

擄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鈥檚

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 Company

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

O3001TN (OT) No. 7140-1/5

0.1

0.5

7.6

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