AD9122 Analog Devices, AD9122 Datasheet - Page 22

• Manufacturer Part Number: AD9122
• Manufacturer: Analog Devices

Specifications of AD9122

• Resolution (bits): 16bit
• Dac Update Rate: 1.23GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

AD9122
Addr
(Hex)
0x1C
0x1D
0x1E
0x1F
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x38
0x39
0x3A
0x3B
0x3C
0x3D
0x3E
0x3F
0x40
0x41
0x42
0x43
0x44
0x45
0x46
0x47
0x48
0x49
0x4A
0x67
0x68
0x69
0x6A
0x6B
Register Name
HB1 control
HB2 control
HB3 control
Chip ID
FTW LSB
FTW
FTW
FTW MSB
NCO phase
offset LSB
NCO phase
offset MSB
NCO FTW
update
I phase adj LSB
I phase adj MSB
Q phase adj LSB
Q phase adj MSB
I DAC offset LSB
I DAC offset MSB
Q DAC offset
LSB
Q DAC offset
MSB
I DAC FS adjust
I DAC control
I aux DAC data
I aux DAC
control
Q DAC FS adjust
Q DAC control
Q aux DAC data
Q aux DAC
control
Die temp range
control
Die temp LSB
Die temp MSB
SED control
Compare I0 LSBs
Compare
I0 MSBs
Compare
Q0 LSBs
Compare
Q0 MSBs
Bit 7
I DAC
sleep
I aux
DAC sign
Q DAC
sleep
Q aux
DAC sign
SED
compare
enable
Bit 6
I aux DAC
current
direction
Q aux DAC
current
direction
FS Current[2:0]
Bit 5
FRAME
FTW ack
I aux DAC
sleep
Q aux
DAC
sleep
Sample
error
detected
Rev. B | Page 22 of 60
Bit 4
FRAME
FTW
request
Compare Value Q0[15:8]
NCO Phase Offset[15:8]
Compare Value I0[15:8]
Compare Value Q0[7:0]
NCO Phase Offset[7:0]
Compare Value I0[7:0]
Q DAC Offset[15:8]
I DAC Offset[15:8]
Q DAC FS Adj[7:0]
Q DAC Offset[7:0]
Q Phase Adj[7:0]
I DAC Offset[7:0]
I DAC FS Adj[7:0]
I Phase Adj[7:0]
Q Aux DAC[7:0]
Die Temp[15:8]
I Aux DAC[7:0]
Die Temp[7:0]
Chip ID[7:0]
FTW[23:16]
FTW[31:24]
HB2[5:0]
FTW[15:8]
HB3[5:0]
FTW[7:0]
Bit 3
Autoclear
enable
Reference Current[2:0]
Bit 2
HB1[1:0]
Bit 1
Update
FTW ack
Compare
fail
Q DAC FS Adj[9:8]
I DAC FS Adj[9:8]
Q Phase Adj[9:8]
Q Aux DAC[9:8]
I Phase Adj[9:8]
I Aux DAC[9:8]
Bypass HB1
Bypass HB2
Bypass HB3
Bit 0
Update
FTW
request
Capacitor
value
Compare
pass
Default
0x00
0x00
0x00
0x08
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0xF9
0x01
0x00
0x00
0xF9
0x01
0x00
0x00
0x02
N/A
N/A
0x00
0xB6
0x7A
0x45
0xEA