AD9780-EBZ View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD9780-EBZ

Dual 12-/14-/16-Bit, LVDS Interface, 500 MSPS DACs

Analog Devices 

AD9780/AD9781/AD9783

Register

Address Bit Name

Function

AUXDAC1

0x0D

7:0 AUXDAC1[9:0] AUXDAC1 output current adjustment word.

0x0E

1:0

0x3FF, sets AUXDAC1 output current to 2.0 mA.

0x200, sets AUXDAC1 output current to 1.0 mA.

0x000, sets AUXDAC1 output current to 0.0 mA.

0x0E

7 AUX1SGN

0, AUX1P output pin is active.

1, AUX1N output pin is active.

6 AUX1DIR

0, configures AUXDAC1 output to source current.

1, configures AUXDAC1 output to sink current.

DAC2 FSC

0x0F

7:0 DAC2FSC[9:0] DAC2 full-scale 10-bit adjustment word.

0x10

1:0

0x3FF, sets DAC full-scale output current to the maximum value of 31.66 mA.

0x200, sets DAC full-scale output current to the nominal value of 20.0 mA.

0x000, sets DAC full-scale output current to the minimum value of 8.66 mA.

AUXDAC2

0x11

7:0 AUXDAC2[9:0] AUXDAC2 output current adjustment word.

0x12

1:0

0x3FF, sets AUXDAC2 output current to 2.0 mA.

0x200, sets AUXDAC2 output current to 1.0 mA.

0x000, sets AUXDAC2 output current to 0.0 mA.

0x12

7 AUX2SGN

0, AUX2P output pin is active.

1, AUX2N output pin is active.

6 AUX2DIR

0, configures AUXDAC2 output to source current.

1, configures AUXDAC2 output to sink current.

BIST Control

0x1A

7 BISTEN

1, enables and starts built-in self-test.

6 BISTRD

1, transfers BIST result registers to SPI for readback.

5 BISTCLR

1, reset BIST logic and clear BIST result registers.

BIST Result 1

0x1B

7:0 BISTRES1[15:0] 16-bit result generated by BIST 1.

0x1C

7:0

BIST Result 2

0x1D

7:0 BISTRES2[15:0] 16-bit result generated by BIST 2.

0x1E

7:0

Hardware Version 0x1F

7:4 VERSION[3:0] Read only register; indicates the version of the chip.

3:0 DEVICE[3:0]

Read only register; indicates the device type.

Rev. A | Page 22 of 36

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