CS4362ACQZR View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS4362ACQZR

114 dB, 192 kHz 6-Channel D/A Converter - 48L LQFP

Cirrus Logic 

CS4362A

In software mode the required de-emphasis filter coefficients for 32 kHz, 44.1 kHz, or 48 kHz are selected

via the de-emphasis control bits.

In hardware mode only the 44.1 kHz coefficient is available (enabled through the M2 pin). If the input sam-

ple rate is not 44.1 kHz and de-emphasis has been selected then the corner frequencies of the de-emphasis

filter will be scaled by a factor of the actual Fs over 44,100.

Gain

dB

T1=50 µs

0dB

-10dB

T2 = 15 µs

F1

3.183 kHz

F2 Frequency

10.61 kHz

Figure 13. De-Emphasis Curve

3.7 ATAPI Specification

The CS4362A implements the channel mixing functions of the ATAPI CD-ROM specification. The

ATAPI functions are applied per A-B pair. Refer to Table 7 on page 38 and Figure 14 for additional informa-

tion.

Left Channel

Audio Data

A Channel

Volume

Control

MUTE Aout Ax

SDINx

Σ

Σ

Right Channel

Audio Data

B Channel

Volume

Control

MUTE AoutBx

Figure 14. ATAPI Block Diagram (x = channel pair 1, 2, or 3)

24

DS617PP1

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