CS4391(2000) View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CS4391
(Rev.:2000)

24-Bit, 192 kHz Stereo DAC with Volume Control

Cirrus Logic 

CS4391

LRCK

SCLK

SDATA 1 0

Left Channel

Right Channel

19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Figure 10. Form32 acltoc4ks, Right Justified 20-Bit Data. (Available in Control Port Mode only)

LRCK

SCLK

Left Channel

Right Channel

SDATA 1 0

17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Figure 11. Format 53,2Rcloigckhst Justified 18-Bit Data. (Available in Control Port Mode only)

Gain

dB

0dB

T1=50 µs

-10dB

T2 = 15 µs

F1

3.183 kHz

F2 Frequency

10.61 kHz

Figure 12. De-Emphasis Curve

Left Channel

Audio Data

A Channel

Volume

Control

MUTE AoutA

Right Channel

Audio Data

DS335PP3

Σ

Σ

B Channel

Volume

Control

Figure 13. ATAPI Block Diagram

MUTE AoutB

31

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