MOSA

MS6334/6335

16bits Stereo Audio DAC integrated HP Driver with Volume Control

REV 5

1/20

www.mosanalog.com

16bits Stereo Audio DAC Integrated Headphone

Driver with Volume Control

FEATURES

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Operation range: 2.7V~6.5V

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Volume control range : 6dB to –39dB, 1.5dB/step

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(Audio code = 0000H)

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Mute function

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Flexibility power management

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No pop-noise

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No zero crossing distortion

‧

‧

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Output voltage adjusted by the external resisters

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Excellent Power Supply Rejection Ratio(PSRR)

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Component less

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Cost effective

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Housed in SSOP20(MS6334), SSOP16, QFN16 package

APPLICATIONS

Multimedia system, MP3, PDA, Portable Digital Audio.

DESCRIPTION

The MS6334 is a 16-bits voltage-output Digital-to-Analog Converter (DAC) integrated class AB stereo headphone

driver with volume control. It is fabricated in a CMOS process and features extremely low power dissipation, small

package size and easy application. The accuracy of the matched coarse current sources, combined with the unique

symmetrical decoding method, preclude zero-crossing distortion and ensures high quality audio reproduction.

The MS6334 has good feature for portable equipment, these features include the low voltage operation, low power

consumption, flexible power management, component less and small package SSOP20, make the MS6334 ideally

suited for use in portable digital audio equipments.

MS6334.

BLOCK DIAGRAM

+

-

+

-

BCK

WS

DATA

Line-Rin

HP-Rout

Line-Lin

HP-Lout

Volume

Control

Mute

DAC

HP

HP

Control Interface

SCL

MODE

AO/CS

SDA

Line-Lout

Line-Rout

OPAmp