AD9148BPCZ AD [Analog Devices], AD9148BPCZ Datasheet - Page 25
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: 25 of 73
- Download datasheet (852Kb)
Preliminary Technical Data
Addr
0x54
0x55
0x56
0x57
0x58
0x59
0x5A
0x5C
0x5D
0x5E
0x5F
0x72
0x79
1
SPI REGISTER DESCRIPTIONS
Table 13. Register Descriptions
Register Name
Comm
Power Control
Register 0x20 to Register 0x3F and Register 0x41 to Register 0x51 configure DAC 1 (I) and DAC 2 (Q) data paths with DAC SPI select = 0 (Register 0x00[4]). Register 0x20
to Register 0x3F and Register 0x41 to Register 0x51 configure DAC 3 (I) and DAC 4 (Q) data paths with DAC SPI select = 1 (Register 0x00[4]).
Register
Name
FTW (LSB)
FTW
FTW
FTW (MSB)
Phase offset
(MSB)
Phase offset
(LSB)
DDS/mod
control
Die Temp
Control 0
Die Temp
Control 1
Die temp LSB
Die temp MSB
DCI delay
PLL Ctrl (Test)
Bit 7
Bypass
DDS/MOD
0
1
Addr
(Hex)
00
01
Bit
7
6
5
4
7
6
5
Bit 6
1
Name
SDIO
LSB/MSB first
Software Reset
DAC SPI select
Power-Down
DAC Set 1
Power-Down
DAC Set 2
Power-down
data receiver
0
Bit 5
Frame NCO
reset ack
1
0
Rev. PrA | Page 25 of 73
Bit 4
Frame NCO
reset request
1
Function
SDIO operation.
0 = SDIO operates as an input only.
1 = SDIO operates as bidirectional input/output.
SPI communication LSB first (default is MSB first).
0 = MSB first.
1 = LSB first.
Software reset.
Reset is asserted when this bit transitions from 0 to 1.
Selects which DAC data path Register 0x20 to Register 0x3F and
Register 0x41 to Register 0x51 configure.
0 = DAC 1 (I path) and DAC 2 (Q path) are configured.
1 = DAC 3 (I path) and DAC 4 (Q path) are configured.
Power down DAC 1 and power down DAC 2.
Power-down DAC 3 and power down DAC 4.
Power down the input data receiver.
NCO Phase Offset[15:8]
NCO Phase Offset[7:0]
Die Temp[15:8]
Die Temp[7:0]
0
FTW[23:16]
FTW[31:24]
FTW [15:8]
FTW[7:0]
Bit 3
FTW
update ack
1
1
Bit 2
FTW
update
request
1
0
Bit 1
Latch
temp
data
1
1
DCI Delay[1:0]
Bit 0
Sideband
select
Temp
Sensor
power
down
0
1
AD9148
Default
0
0
0
0
0
0
0
0
0x00
0x00
0x00
0x00
0x00
Default
0x00
0x00
0x80
0x01
0x20
0x40
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