3 V Stereo Headphone Power Amplifier

Overview

The LA4800V is a headphone stereo power amplifier IC that

features a high signal-to-noise ratio, high ripple rejection, low

distortion and low current consumption, making it ideal for

portable CD players.

Functions

.

Headphone stereo power amplifier

.

Beep tone

.

Power switch

.

Power mute switch

Features

.

96 dB (typ) high S/N ratio at 7 µV

.

76 dB (typ) high ripple rejection

.

.

6.2 mA (typ) low current consumption

.

Outputs do not require electrolytic capacitors.

.

Available in 16-pin SSOPs

Package Dimensions

unit : mm

3178-SSOP16

[LA4800V]

SANYO : SSOP16

Specifications

Maximum Ratings at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Maximum supply voltage

4.5

V

Power dissipation

Pd max

375

mW

Operating temperature range

Topr

–15 to 50

°C

Storage temperature range

Tstg

–40 to 150

°C

Recommended Operating Ranges at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Supply voltage

3.0

V

Load resistance

16 to 32

Ω

Operating supply voltage range

1.8 to 3.6

V

Ordering number: EN4335A

Monolithic Linear IC

LA4800V

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

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

32896HA(II)/60393TS No.4335-1/11