AD9747-EBZ View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD9747-EBZ

Dual 8-/10-/12-/14-/16-Bit 250 MSPS Digital-to-Analog Converters

Analog Devices 

AD9741/AD9743/AD9745/AD9746/AD9747

SPI REGISTER MAP

Reading any register returns previously written values for all defined register bits, unless otherwise noted. Change serial port configu-

ration or execute software reset in single byte instruction only to avoid unexpected device behavior.

Table 14.

Register Name

SPI Control

Data Control

Power Down

DAC Mode Select

DAC1 Gain LSB

DAC1 Gain MSB

AUX DAC1 LSB

AUX DAC1 MSB

DAC2 Gain LSB

DAC2 Gain MSB

AUX DAC2 LSB

AUX DAC2 MSB

Address

0x00

0x02

0x03

0x0A

0x0B

0x0C

0x0D

0x0E

0x0F

0x10

0x11

0x12

Default

0x00

0x00

0x00

0x00

0xF9

0x01

0x00

0x00

0xF9

0x01

0x00

0x00

Bit 7

SDIODIR

DATTYPE

PD_DCO

AUX1PIN

AUX2PIN

Bit 6

LSBFIRST

ONEPORT

AUX1DIR

AUX2DIR

Bit 5

SWRESET

PD_AUX2

Bit 4

Bit 3

Bit 2

INVDCO

PD_AUX1 PD_BIAS PC_CLK

DAC1MOD<1:0>

DAC1FSC<7:0>

AUXDAC1<7:0>

DAC2FSC<7:0>

AUXDAC2<7:0>

Bit 1

Bit 0

PD_DAC2 PD_DAC1

DAC2MOD<1:0>

DAC1FSC<9:8>

AUXDAC1<9:8>

DAC2FSC<9:8>

AUXDAC2<9:8>

Rev. 0 | Page 20 of 28

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