CS4345 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CS4345

10-pin, 24-Bit, 192 kHz Stereo D/A Converter

Cirrus Logic 

3. TYPICAL CONNECTION DIAGRAM

CS4344/5/6/8

Audio

Data

Processor

Note* = This circuitry is intended for applications where the

CS4344/5/6/8 connects directly to an unbalanced output of

the design. For internal routing applications please see the

DAC analog output characteristics for loading limitations.

0.1 µF

9

VA

+3.3 V to +5 V

+

1 µF

1 SDIN

2 DEM/SCLK

3

LRCK

AOUTL 7

3.3 µF

+

10 kΩ

470Ω

Left Audio

Output

C

Note*

Rext

CS4344

CS4345 AOUTR 10

CS4346

3.3 µF

+

470 Ω

Right Audio

Output

CS4348

10 kΩ

C

Rext

External Clock

4

MCLK

6

FILT+

10 µF

C=

Rext + 470 For best 20 kHz response

4πFs(Rext 470)

AGND

8

5

VQ

0.1 µF

*3.3 µF

or

*10 µF

*Popguard ramp can be adjusted by

selecting this capacitor value to be

3.3 µF to give 250 ms ramp time

or 10 µF to give a 420 ms ramp time.

Figure 6. Recommended Connection Diagram

DS613F1

11

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