MAS9118 데이터 시트보기 (PDF) - Micro Analog systems

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MAS9118

Buzzer DAC Interface

Micro Analog systems 

This is preliminary information on a new

product under development. Micro Analog

Systems Oy reserves the right to make

any changes without notice.

DA9118.000

11 May, 2000

MAS9118

Buzzer DAC Interface

• Excellent Frequency Response

• High Efficiency 8 Ohms Driver

• Serial Interface

• Separate Voltages at Interface and

Driver

DESCRIPTION

MAS9118 is a high performance analog interface for

buzzer or small loudspeaker. It employs new circuit

structures, which provide a possibility to play high

quality speech or music by using low cost buzzer or

miniature speaker. The driver has excellent power

efficiency due to class-D operation and provides high

FEATURES

• Excellent Frequency Response

• MSOP Package

• No External Components

• Easy to Use

BLOCK DIAGRAM

VDDI

sound pressure due to balanced outputs. The

interface is used as any eight bit DAC, just by

loading the signal to the input register at regular time

intervals.

APPLICATION

• Cellular Phones

• Toys

VDD

DIN

CCLK

XCS

MCLK

LEVEL

SHIFTER

SERIAL

INTERFACE

DAC

DRIVER

OUTP

OUTN

XRESET

POWER-

DOWN

LOGIC

power-down

VSS

1 (8)

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