AD9148BPCZ AD [Analog Devices], AD9148BPCZ Datasheet - Page 34
![no-image](/images/no-image-200.jpg)
AD9148BPCZ
Manufacturer Part Number
AD9148BPCZ
Description
Quad 16-Bit,1 GSPS, TxDAC+ Digital-to-Analog Converter
Manufacturer
AD [Analog Devices]
Datasheet
1.AD9148BPCZ.pdf
(73 pages)
- Current page: 34 of 73
- Download datasheet (852Kb)
AD9148
Register Name
IDAC FSC Adj
IDAC Control
Aux IDAC Data
Aux IDAC Control
Addr
(Hex)
30
31
32
33
Bit
7:0
7
1:0
7:0
7
6
5
1:0
Name
IDAC FSC Adj[7:0]
IDAC sleep
IDAC FSC Adj[9:8]
AUX IDAC Data[7:0]
AUX IDAC sign
AUX IDAC
current direction
AUX IDAC
power down
AUX IDAC Data[9:8]
Rev. PrA | Page 34 of 73
Function
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 μA.
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.
I DAC sleep mode (fast wake-up mode).
IDAC full-scale current adjustment (MSB part)
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select = 1 to configure DAC 3 path.
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 μA.
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.
Auxiliary IDAC output sign.
0 = positive, current is directed to the AUXx_P pin.
1 = negative, current is directed to the AUXx_N pin.
Auxiliary IDAC current direction.
0 = source.
1 = sink.
Auxiliary IDAC power down.
Auxiliary IDAC data (MSB part).
Set DAC SPI select = 0 to configure DAC 1 path.
Set DAC SPI select =1 to configure DAC 3 path.
Preliminary Technical Data
Default
F9
0
01
00
0
0
0
00
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