AD9148 Analog Devices, AD9148 Datasheet - Page 33

• Manufacturer Part Number: AD9148
• Manufacturer: Analog Devices

Specifications of AD9148

• Resolution (bits): 16bit
• Dac Update Rate: 1GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

Data Sheet
Register Name
Coeff I Byte 0
Coeff I Byte 1
Coeff I Byte 2
Coeff I Byte 3
Coeff Q Byte 0
Coeff Q Byte 1
Addr
(Hex)
20
21
22
23
24
25
Bit
7
6:3
2:0
7:5
4:0
7:5
4
3:0
7
6:0
7
6:3
2:0
7:5
4:0
Name
0
Coeff_1i[3:0]
Coeff_0i
Coeff_3i[2:0]
Coeff_2i
Coeff_4i[2:0]
0
Coeff_3i[6:3]
0
Coeff_4i[9:3]
0
Coeff_1q[3:0]
Coeff_0q
Coeff_3q[2:0]
Coeff_2q
Rev. B | Page 33 of 72
Function
Set this bit to 0.
I-Path DAC Sinc
format.
I-Path DAC Sinc
format.
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
I-Path DAC Sinc
complement format.
I-Path DAC Sinc
format.
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
I-Path DAC Sinc
complement format.
Set this bit to 0.
Set I-Path DAC Sinc
complement format.
DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
Set this bit to 0.
I-Path DAC Sinc
complement format.
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
Set this bit to 0.
Q-Path DAC Sinc
format.
Q-Path DAC Sinc
format.
Set DAC SPI select = 0 to configure DAC 2 path.
Set DAC SPI select = 1 to configure DAC 4 path.
Q-Path DAC Sinc
complement format.
Q-Path DAC Sinc
format.
Set DAC SPI select = 0 to configure DAC 2 path.
Set DAC SPI select = 1 to configure DAC 4 path.
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
Filter Coefficient 2 in twos complement
Filter Coefficient 1 in twos complement
Filter Coefficient 4 (LSB) in twos
Filter Coefficient 3 in twos complement
Filter Coefficient 5 (LSB) in twos
Filter Coefficient 5 (MSB) in twos
Filter Coefficient 2 in twos complement
Filter Coefficient 1 in twos complement
Filter Coefficient 4 (LSB) in twos
Filter Coefficient 3 in twos complement
-1
Filter Coefficient 4 (MSB) in twos
AD9148
Default
0
0
0
6
0
7
0
F
0
7F
0
D
1
7
6