AD1939

Data Sheet

Rev. E | Page 18 of 32

LEFT

RIGHT

DLRCLK

(AUX PORT)

DBCLK

(AUX PORT)

MSB

MSB

DSDATA2

(AUX1_IN)

MSB

MSB

DSDATA3

(AUX2_IN)

MSB

MSB

ASDATA2

(AUX1_OUT)

MSB

MSB

DSDATA4

(AUX2_OUT)

ALRCLK

ABCLK

DSDATA1

(TDM_IN)

EMPTY

EMPTY

EMPTY

EMPTY

DAC L1 DAC R1 DAC L2 DAC R2 DAC L3 DAC R3 DAC L4 DAC R4 AUX L1 AUX R1 AUX L2 AUX R2

8 ON-CHIP DAC CHANNELS

AUXILIARY DAC CHANNELS

APPEAR AT

AUX DAC PORTS

UNUSED SLOTS

ASDATA1

(TDM_OUT)

ADC L1 ADC R1 ADC L2 ADC R2

AUX L1 AUX R1 AUX L2 AUX R2

UNUSED UNUSED UNUSED UNUSED

UNUSED UNUSED UNUSED UNUSED

4 ON-CHIP ADC CHANNELS

AUXILIARY ADC CHANNELS

UNUSED SLOTS

Figure 17. Combined AUX DAC and ADC Mode