參數(shù)資料
型號(hào): AD9148BBCZRL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 29/72頁(yè)
文件大?。?/td> 0K
描述: IC DAC 16BIT QD 1GSPS 196CSPBGA
標(biāo)準(zhǔn)包裝: 1,500
系列: TxDAC+®
設(shè)置時(shí)間: 20ns
位數(shù): 16
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 4
電壓電源: 模擬和數(shù)字
功率耗散(最大): 2.22W
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 196-LFBGA,CSPBGA
供應(yīng)商設(shè)備封裝: 196-CSPBGA(12x12)
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 8 電流,單極
采樣率(每秒): 1G
Data Sheet
AD9148
Rev. B | Page 35 of 72
Register Name
Addr
(Hex)
Bit
Name
Function
Default
IDAC FSC Adj
30
7:0
IDAC FSC Adj
IDAC full-scale current adjustment (LSB part). IDAC FS Adj[9:0]
sets the full-scale current of the IDAC. The full-scale current
can be adjusted from 8.64 mA to 31.6 mA in step sizes of
approximately 22.5 A.
F9
0x000 = 8.64 mA.
...
0x200 = 20.14 mA.
0x3FF = 31.66 mA.
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
IDAC Control
31
7
IDAC sleep
I DAC sleep mode (fast wake-up mode).
0
1:0
IDAC FSC Adj[9:8]
IDAC full-scale current adjustment (MSB part)
01
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
Aux IDAC Data
32
7:0
AUX IDAC Data
Auxiliary IDAC data (LSB part). AUX IDAC Data[9:0] sets the
magnitude of the aux DAC current. The range is 0 mA to
2 mA, and the step size is 2 A.
00
0x000 = 0.000 mA.
0x001 = 0x002 mA.
0x3FF = 2.046 mA.
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
Aux IDAC Control
33
7
AUX IDAC sign
Auxiliary IDAC output sign.
0
0 = positive, current is directed to the AUXx_P pin.
1 = negative, current is directed to the AUXx_N pin.
6
AUX IDAC
current direction
Auxiliary IDAC current direction.
0
0 = source.
1 = sink.
5
AUX IDAC
power-down
Auxiliary IDAC power-down.
0
1:0
AUX IDAC Data[9:8]
Auxiliary IDAC data (MSB part).
00
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select =1 to configure DAC 3 path.
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