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

DLRCLK

DBCLK

DSDATA1

(IN)

DSDATA2

(OUT)

DSDATA3

(IN)

DSDATA4

(OUT)

8 DAC CHANNELS OF THE FIRST IC IN THE CHAIN

DAC L1

DAC R1

DAC L2

DAC R2

DAC L3

DAC R3

DAC L4

DAC R4

32 BITS

8 DAC CHANNELS OF THE SECOND IC IN THE CHAIN

DAC L1

DAC R1

DAC L2

DAC R2

DAC L1

DAC R1

DAC L2

DAC R2

DAC L3

DAC R3

DAC L4

DAC R4

DAC L3

DAC R3

DAC L4

DAC R4

MSB

FIRST

AD1928

SECOND

AD1928

DSP

Figure 19. Dual-Line DAC TDM Mode (Applicable to 96 kHz Sample Rate, 16-Channel, Two-AD1928 Daisy Chain, DSDATA3 and DSDATA4 are the Daisy Chain)

DLRCLK

DBCLK

DSDATA1

DSDATA2

DAC L1

DAC L3

32 BITS

DAC R1

DAC R3

DAC L2

DAC L4

DAC R2

DAC R4

MSB

Figure 20. Dual-Line DAC TDM Mode (Applicable to 192 kHz Sample Rate, 8-Channel Mode)

ALRCLK

ABCLK

ADCTDMOUT (TDM_OUT

OF THE SECOND AD1928

IN THE CHAIN)

ASDATA1 (TDM_IN

OF THE SECOND AD1928

IN THE CHAIN)

2 ADC CHANNELS OF SECOND IC IN THE CHAIN

UNUSED

UNUSED

ADC L1

ADC R1

UNUSED

UNUSED

ADC L1

ADC R1

FIRST

AD1928

SECOND

AD1928

DSP

2 ADC CHANNELS OF FIRST IC IN THE CHAIN

UNUSED

UNUSED

ADC L1

ADC R1

32 BITS

MSB

Figure 21. ADC TDM Daisy-Chain Mode (256 fS BCLK, Two-AD1928 Daisy Chain)

Rev. 0 | Page 20 of 32

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