AD5666 Analog Devices, AD5666 Datasheet - Page 26

• Manufacturer Part Number: AD5666
• Manufacturer: Analog Devices

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

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