AD9148BBCZ datasheet(32/73 Pages) AD

32 / 73 page

AD9148

Preliminary Technical Data

Rev. PrA | Page 32 of 73

Addr

(Hex)

Bit

Name

Function

Default

Coeff I Byte 0

Set this bit to 0.

6:3

Coeff_1i

I-Path DAC Sinc-1 Filter Coefficient 2 in twos complement

format.

2:0

Coeff_0i

I-Path DAC Sinc-1 Filter Coefficient 1 in twos complement

format.

Set DAC SPI select = 0 to configure DAC 1 path.

Set DAC SPI select = 1 to configure DAC 3 path.

Coeff I Byte 1

7:5

Coeff_3i[2:0]

I-Path DAC Sinc-1 Filter Coefficient 4 (LSB) in twos

complement format.

4:0

Coeff_2i

I-Path DAC Sinc-1 Filter Coefficient 3 in twos complement

format.

Set DAC SPI select = 0 to configure DAC 1 path.

Set DAC SPI select = 1 to configure DAC 3 path.

Coeff I Byte 2

7:5

Coeff_4i[2:0]

I-Path DAC Sinc-1 Filter Coefficient 5 (LSB) in twos

complement format.

Set this bit to 0.

3:0

Coeff_3i[6:3]

Set I-Path DAC Sinc-1 Filter Coefficient 4 (MSB) in twos

complement format.

DAC SPI select = 0 to configure DAC 1 path.

Set DAC SPI select = 1 to configure DAC 3 path.

Coeff I Byte 3

Set this bit to 0.

6:0

Coeff_4i[9:3]

I-Path DAC Sinc-1 Filter Coefficient 5 (MSB) in twos

complement format.

Set DAC SPI select = 0 to configure DAC 1 path.

Set DAC SPI select = 1 to configure DAC 3 path.

Coeff Q Byte 0

Set this bit to 0.

6:3

Coeff_1q

Q-Path DAC Sinc-1 Filter Coefficient 2 in twos complement

format

2:0

Coeff_0q

Q-Path DAC Sinc-1 Filter Coefficient 1 in twos complement

format.

Set DAC SPI select = 0 to configure DAC 2 path.

Set DAC SPI select = 1 to configure DAC 4 path.

Coeff Q Byte 1

7:5

Coeff_3q[2:0]

Q-Path DAC Sinc-1 Filter Coefficient 4 (LSB) in twos

complement format.

4:0

Coeff_2q

Q-Path DAC Sinc-1 Filter Coefficient 3 in twos complement

format.

Set DAC SPI select = 0 to configure DAC 2 path.

Set DAC SPI select = 1 to configure DAC 4 path.

AD9148BBCZ Datasheet(PDF) 32 Page - Analog Devices

AD9148BBCZ Datasheet(HTML) 32 Page - Analog Devices

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