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AD9691 Datasheet(PDF) 66 Page - Analog Devices

Part # AD9691
Description  Dual Analog-to-Digital Converter
PDF  73 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9691 Datasheet(HTML) 66 Page - Analog Devices

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Data Sheet
AD9691
Rev. 0 | Page 65 of 72
Reg
Addr
(Hex)
Register
Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (LSB)
Default
Notes
0x374
DDC 3
frequency LSB
DDC 3 NCO FTW, Bits[7:0], twos complement
0x00
0x375
DDC 3
frequency
MSB
X
X
X
X
DDC 3 NCO FTW, Bits[11:8], twos complement
0x00
0x380
DDC3 phase
LSB
DDC 3 NCO POW, Bits[7:0], twos complement
0x00
0x381
DDC 3 phase
MSB
X
X
X
X
DDC 3 NCO POW, Bits[11:8], twos complement
0x00
0x387
DDC 3 output
test mode
selection
0
0
0
0
0
0
0
I output test
mode enable
0 = disabled
1 = enabled
from
Channel A
0x00
Digital Outputs and Test Modes
0x550
ADC test
modes
(local)
User
pattern
selection
0 =
contin-
uous
repeat
1 = single
pattern
0
Reset PN
long gen
0 = long
PN
enable
1 = long
PN reset
Reset PN
short gen
0 = short
PN enable
1 = short
PN reset
Test mode selection
0000 = off, normal operation
0001 = midscale short
0010 = positive full scale
0011 = negative full scale
0100 = alternating checker board
0101 = PN sequence, long
0110 = PN sequence, short
0111 = 1/0 word toggle
1000 = the user pattern test mode (used with
Register 0x550, Bit 7 and User Pattern 1 through User
Pattern 4 registers), 1111 = ramp output
0x00
0x551
User Pattern 1
LSB
0
0
0
0
0
0
0
0
0x00
Used with
Reg. 0x550
and
Reg. 0x573
0x552
User Pattern 1
MSB
0
0
0
0
0
0
0
0
0x00
Used with
Reg. 0x550
and
Reg. 0x573
0x553
User Pattern 2
LSB
0
0
0
0
0
0
0
0
0x00
Used with
Reg. 0x550
and
Reg. 0x573
0x554
User Pattern 2
MSB
0
0
0
0
0
0
0
0
0x00
Used with
Reg. 0x550
and
Reg. 0x573
0x555
User Pattern 3
LSB
0
0
0
0
0
0
0
0
0x00
Used with
Reg. 0x550
and
Reg. 0x573
0x556
User Pattern 3
MSB
0
0
0
0
0
0
0
0
0x00
Used with
Reg. 0x550
and
Reg. 0x573
0x557
User Pattern 4
LSB
0
0
0
0
0
0
0
0
0x00
Used with
Reg. 0x550
and
Reg. 0x573
0x558
User Pattern 4
MSB
0
0
0
0
0
0
0
0
0x00
Used with
Reg. 0x550
and
Reg. 0x573



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