参数资料
型号: AD9148BBPZRL
厂商: Analog Devices Inc
文件页数: 27/72页
文件大小: 0K
描述: IC DAC 16BIT SPI/SRL 196BGA
标准包装: 1,500
系列: TxDAC+®
设置时间: 20ns
位数: 16
数据接口: 串行,SPI?
转换器数目: 4
电压电源: 单电源
功率耗散(最大): 2.67W
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 196-LFBGA 裸露焊盘
供应商设备封装: 196-BGA
包装: 带卷 (TR)
输出数目和类型: 4 电流,单极
采样率(每秒): 1G
Data Sheet
AD9148
Rev. B | Page 33 of 72
Register Name
Addr
(Hex)
Bit
Name
Function
Default
Coeff I Byte 0
20
7
0
Set this bit to 0.
0
6:3
Coeff_1i[3:0]
I-Path DAC Sinc-1 Filter Coefficient 2 in twos complement
format.
0
2:0
Coeff_0i
I-Path DAC Sinc-1 Filter Coefficient 1 in twos complement
format.
0
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
Coeff I Byte 1
21
7:5
Coeff_3i[2:0]
I-Path DAC Sinc-1 Filter Coefficient 4 (LSB) in twos
complement format.
6
4:0
Coeff_2i
I-Path DAC Sinc-1 Filter Coefficient 3 in twos complement
format.
0
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
Coeff I Byte 2
22
7:5
Coeff_4i[2:0]
I-Path DAC Sinc-1 Filter Coefficient 5 (LSB) in twos
complement format.
7
4
0
Set this bit to 0.
0
3:0
Coeff_3i[6:3]
Set I-Path DAC Sinc-1 Filter Coefficient 4 (MSB) in twos
complement format.
F
DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
Coeff I Byte 3
23
7
0
Set this bit to 0.
0
6:0
Coeff_4i[9:3]
I-Path DAC Sinc-1 Filter Coefficient 5 (MSB) in twos
complement format.
7F
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
Coeff Q Byte 0
24
7
0
Set this bit to 0.
0
6:3
Coeff_1q[3:0]
Q-Path DAC Sinc-1 Filter Coefficient 2 in twos complement
format.
D
2:0
Coeff_0q
Q-Path DAC Sinc-1 Filter Coefficient 1 in twos complement
format.
1
Set DAC SPI select = 0 to configure DAC 2 path.
Set DAC SPI select = 1 to configure DAC 4 path.
Coeff Q Byte 1
25
7:5
Coeff_3q[2:0]
Q-Path DAC Sinc-1 Filter Coefficient 4 (LSB) in twos
complement format.
7
4:0
Coeff_2q
Q-Path DAC Sinc-1 Filter Coefficient 3 in twos complement
format.
6
Set DAC SPI select = 0 to configure DAC 2 path.
Set DAC SPI select = 1 to configure DAC 4 path.
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