AD5666 Analog Devices, AD5666 Datasheet - Page 26
AD5666
Manufacturer Part Number
AD5666
Description
Manufacturer
Analog Devices
Datasheet
1.AD5666.pdf
(28 pages)
Specifications of AD5666
Resolution (bits)
16bit
Dac Update Rate
95kSPS
Dac Settling Time
6µs
Max Pos Supply (v)
+5.5V
Single-supply
Yes
Dac Type
Voltage Out
Dac Input Format
Ser,SPI
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AD5666
Table 13. Clear Code Register
DB1
CR1
0
0
1
1
Table 14. 32-Bit Input Shift Register Contents for Clear Code Function
MSB
DB31 to DB28
X
Don’t cares
Table 15. LDAC Overwrite Definition
LDAC Bits (DB3 to DB0)
0
1
Table 16. 32-Bit Input Shift Register Contents for LDAC Overwrite Function
MSB
DB31
to
DB28
X
Don’t
cares
Clear Code Register
DB27
0
Load DAC Register
Command bits (C3 to C0)
DB26
1
DB0
CR0
0
1
0
1
DB27
0
Command bits (C3 to C0)
DB25
1
DB26
1
LDAC Pin
1/0
X—don’t care
DB24
0
Clears to Code
0xFFFF
0x0000
0x8000
No operation
DB25
0
Address bits (A3 to A0)—
DB23
X
don’t cares
DB24
1
LDAC Operation
Determined by LDAC pin
DAC channels update, overrides the LDAC pin. DAC channels see LDAC as 0.
DB22
X
DB23
X
Rev. D | Page 26 of 28
Address bits (A3 to A0)
DB21
X
DB22
X
DB20
X
DB21
X
DB19
to
DB4
X
Don’t
cares
DB20
X
DB3
DAC D
Setting LDAC bit to 1 override LDAC pin
DB19 to DB2
X
Don’t cares
DB2
DAC C
DB1
1/0
DB1
DAC B
Clear code register
(CR1 to CR0)
LSB
DB0
1/0
LSB
DB0
DAC A