EVAL-AD1938AZ View Datasheet(PDF) - Analog Devices

Part Name

Description

MFG CO.

EVAL-AD1938AZ

2 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec

Analog Devices 

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AD1928

Table 20. DAC Control 2 Register

Bit

Value Function

0

0

Unmute

1

Mute

2:1

00

Flat

01

48 kHz curve

10

44.1 kHz curve

11

32 kHz curve

4:3

00

24

01

20

10

Reserved

11

16

5

0

Noninverted

1

Inverted

7:6

00

Reserved

Table 21. DAC Individual Channel Mutes

Bit

Value Function

0

0

Unmute

1

Mute

1

0

Unmute

1

Mute

2

0

Unmute

1

Mute

3

0

Unmute

1

Mute

4

0

Unmute

1

Mute

5

0

Unmute

1

Mute

6

0

Unmute

1

Mute

7

0

Unmute

1

Mute

Table 22. DAC Volume Controls

Bit

Value Function

7:0

0

No attenuation

1 to 254 −3/8 dB per step

255

Full attenuation

Description

Master mute

De-emphasis (32 kHz/44.1 kHz/48 kHz mode only)

Word width

DAC output polarity

Description

DAC 1L mute

DAC 1R mute

DAC 2L mute

DAC 2R mute

DAC 3L mute

DAC 3R mute

DAC 4L mute

DAC 4R mute

Description

DAC volume control

Rev. 0 | Page 26 of 32

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