Rev. 1.00

2

October 16, 2014

Rev. 1.00

3

October 16, 2014

HT82V73A

1500mW Audio Power Amp with Shutdown

Pin Description

Pin No.

Pin Name

I/O

Description

1

OUTN

O

Negative output

2

Aud In

I

Audio input

3

VREF

O

Speaker non-inverting input voltage reference

4

VSS

—

Negative power supply, ground

5

CE

I

Chip enable, low active

6

NC

—

Not connected

7

OUTP

O

Positive output

8

VDD

—

Positive power supply

PCB Layout Consideration

ItisdesirabletomaximizethePCBcooperareaconnectingtoGND/EPADpintoachievethebestthermal

performance,iftheboardspaceallowed,agroundplaneishighlydesirable.

Absolute Maximum Ratings

StorageTemperature.......................... −50°Cto125°C

OperatingTemperature........................ −40°Cto85°C

Note:Thesearestressratingsonly.Stressesexceedingtherangespecifiedunder″AbsoluteMaximumRatings″

maycausesubstantialdamagetothedevice.Functionaloperationofthisdeviceatotherconditionsbeyond

thoselistedinthespecificationisnotimpliedandprolongedexposuretoextremeconditionsmayaffect

devicereliability.