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102099

FEATURES

§ Fully USB Core Class v1.0 Compliant

§ Fully USB Audio Device Class v1.0

Compliant

§ Complete Stereo DAC System

§ 16–bit

Σ∆ DAC

§ Analog Post Filter

§ 44.1 KHz, 48 KHz Sampling Rates

§ >80 dB S/N DAC Performance

§ Audio System Power Management

§ 8 and 16–Bit PCM Digital Data Formats

§ Integrated USB Compliant Transceiver

§ High Rate 12 Mbps USB Interface

§ Analog Output Mixing for Auxiliary Inputs

§ Multiple Power Configurations Including

Completely USB Powered

§ 3.3V – 5.0V Operating Range

PIN ASSIGNMENT

DESCRIPTION

The DS4201 Universal Serial Bus (USB) audio device is a complete interface solution for USB based PC

digital audio playback. Integrating a USB device core, stereo 16–bit sigma–delta DAC and fixed function

DSP processing, as shown in Figure 1, the DS4201 is designed specifically for USB digital speaker

implementations. Digital–to–analog audio data processing supports 8 and 16–bit PCM stereo/mono

formats at 44.1 KHz and 48.0 KHz sampling rates. Additionally, analog output mixing of line and

microphone inputs provide legacy and hybrid speaker capabilities.

NC

NC

NC

SUSO

VCM

VREFI

VA

AGND

LOUT

ROUT

LMIC

RMIC

LAUX

RAUX

1

2

3

4

5

6

7

8

9

10

11

12

13

14

VD

NC

NC

DGND

SPM

X2I

X2O

DGND

X1I

X1O

VB

D-

D+

DGND

28

27

26

25

24

23

22

21

20

19

18

17

16

15

28-PIN DIP 600 MIL

DS4201

USB Audio DAC

www.dalsemi.com

ALE

WR

RLINK

RLCLK

DVSS

RCLK

RCHCLK

RSER

RSYNC

RLOS/LOTC

SYSCLK

NC

NC

VCM

NC

VREGI

VA

NC

AGND

LOUT

NC

ROUT

34

33

23

22

12

1

11

44

44-PIN QFP (10mm x 10mm)

ORDERING INFORMATION

Part Number

Description

DS4201

28-pin DIP

DS4201F

44-pin QFP