HT82V733 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT82V733

240mA Audio Power Amp

Holtek Semiconductor 

HT82V733

240mA Audio Power Amp

Features

· High signal-to-noise ratio

· High slew rate

· Low distortion

· Large output voltage swing

· Excellent power supply ripple rejection

· Low power consumption

· Short-circuit elimination

· Wide temperature operating range

· No switch ON/OFF clicks

· Low standby current

· Power off control

· Direct drive speaker

· 8-pin DIP/SOP package

General Description

HT82V733 is an integrated class AB mono speaker

driver contained in an SOP-8 package. The device is

fabricated in a CMOS process and has been primarily

developed for portable digital audio applications.

Block Diagram

O U TN

R

A u d In

10R

AM P1

VRE.

VSS

B IA S

VDD

R

AM P2

R

O U TP

CE

Pin Assignment

O U TN 1

A u d In 2

VRE. 3

VSS 4

8 VDD

7 O U TP

6 NC

5 CE

H T82V 733

8 D IP -A /S O P -A

Pin Description

Pin No. Pin Name

1

OUTN

2

Aud In

3

VREF

4

VSS

5

CE

6

NC

7

OUTP

8

VDD

I/O

Description

O Negative output

I Audio input

O Speaker non-inverting input voltage reference

¾ Negative power supply, ground

I Chip enable, low active

¾ Not connected

O Positive output

¾ Positive power supply

Absolute Maximum Ratings

Supply Voltage ...........................VSS-0.3V to VSS+5.5V

Input Voltage..............................VSS-0.3V to VDD+0.3V

Storage Temperature ............................-50°C to 125°C

Operating Temperature...........................-20°C to 70°C

Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may

cause substantial damage to the device. Functional operation of this device at other conditions beyond those

listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-

ity.

Rev. 1.10

1

January 6, 2003

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