MITSUMI

IC for Headphone Stereos LAG665

IC for Headphone Stereos

Monolithic IC LAG 665

Outline

This IC was developed for use in headphone stereos, and incorporates dual preamp, power amp, electronic

VR and motor control circuits. It can be used in a simple circuit configuration which requires very few external

components.

Features

Package

Absolute Maximum Ratings

1. Broad operating voltage range of 2.0 to 5.0 V (amp system operates to 1.8 V)

2. Few external components required

1. Internal equalizer resistance

2. Direct coupling of preamps, electronic VR, power amp

3. No need for output coupling capacitor

3. Well-balanced electronic VR, A-curve attenuation characteristic obtained with B-curve VR

4. Internal motor control circuit, with noise from motor driving unit suppressed

5. Provided with pin to turn off preamps

SOP-28B (LAG665F)

SDIP-30A (LAG665D)

Item

Symbol

Ratings

Units

Operating temperature

Topr

-20~+65

Storage temperature

Tstg

-40~+125

Power supply current

-0.3~+7.5

V

Power consumption

Pd

450 (SOP-28B)

mW

750 (SDIP-30A)

Operating voltage

Vop

2.0~5.0

V