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AD9154 Datasheet(PDF) 101 Page - Analog Devices

Part # AD9154
Description  Digital-to-Analog Converter
PDF  124 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9154 Datasheet(HTML) 101 Page - Analog Devices

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Data Sheet
AD9154
Rev. C | Page 101 of 124
Addr.
Name
Bits
Bit Name
Settings
Description
Reset
Access
0x08D
DAC-
LDOCNTRL2
7
LDO_BYPASS
Bypass LDO Function.
0x0
R/W
0 LDO operates normally.
1 LDO output shorted to VDD.
[6:5]
LDO_INRUSH
LDO Startup Speed Control.
0x1
R/W
[4:2]
LDO_SEL
LDO Voltage and Power Setup.
0x2
R/W
0 1.08 V low power.
1 1.08 V mid power.
2 1.08 V high power.
3 Not used.
4 1.02 V low power.
5 1.02 V mid power.
6 1.02 V high power.
7 Not used.
[1:0]
LDO_VDROP
LDO Passgate Control.
0x3
R/W
0 One passgate used.
1 Two passgates used.
2 Three passgates used.
3 Four passgates used.
0x110
DATA_FORMAT
7
BINARY_FMT
Binary or Twos Complementary Format on DATA Bus.
0x0
R/W
0 Input data is twos compliment.
1 Input data is offset binary.
[6:0]
RESERVED
Reserved.
0x0
R
0x111
DATAPATH_
CTRL
7
INVSINC_ENABLE
1 Enable Inverse Sinc Filter.
0x1
R/W
6
RESERVED
Reserved.
0x0
R
5
DIG_GAIN_
ENABLE
1 Enable Digital Gain.
0x1
R/W
4
PHASE_ADJ_
ENABLE
1 Enable Phase Compensation.
0x0
R/W
[3:2]
MODULATION_
TYPE
Selects Type of Modulation Operation.
0x0
R/W
0 No modulation.
1 Fine modulation (uses FTW).
2 fS/4 modulation.
3 fS/8 modulation.
1
SEL_SIDEBAND
1 Select Upper or Lower Sideband from Modulation
Result.
0x0
R/W
0
I_TO_Q
1 Send I Datapath into Q DAC.
0x0
R/W
0x112
INTERPMODE
[7:3]
RESERVED
Reserved.
0x0
R
[2:0]
INTERPMODE
Interpolation Mode.
0x1
R/W
0 1x (bypass).
1 2x mode.
3 4x mode.
4 8x mode.
0x113
NCO_FTW_
UPDATE
[7:2]
RESERVED
Reserved.
0x0
R
1
FTW_UPDATE_
ACK
Frequency Tuning Word Update Acknowledge.
0x0
R
0
FTW_UPDATE_
REQ
Frequency Tuning Word Update Request from SPI.
0x0
R/W
0x114
FTW0
[7:0]
FTW0
NCO Frequency Tuning Word, FTW[7:0].
0x0
R/W
0x115
FTW1
[7:0]
FTW1
NCO Frequency Tuning Word, FTW[15:8].
0x0
R/W
0x116
FTW2
[7:0]
FTW2
NCO Frequency Tuning Word, FTW[23:16].
0x0
R/W



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