AD5412ACPZ AD [Analog Devices], AD5412ACPZ Datasheet - Page 28

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AD5412ACPZ

Manufacturer Part Number
AD5412ACPZ
Description
Single Channel, 12/16-Bit, Serial Input, Current Source & Voltage Output DAC
Manufacturer
AD [Analog Devices]
Datasheet

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AD5412/AD5422
DATA REGISTER
The DATA register is addressed by setting the address word of the input shift register to 0x01. The data to be written to the DATA register
is entered in positions D15 to D4 for the AD5412 and D15 to D0 for the AD5422 as shown in Table 12 and Table 13.
Table 12. Programming the AD5412 Data Register
MSB
D15
Table 13. Programming the AD5422 Data Register
MSB
D15
CONTROL REGISTER
The CONTROL register is addressed by setting the address word of the input shift register to 0x55. The data to be written to the
CONTROL register is entered in positions D15 to D0 as shown in Table 14. The CONTROL register functions are shown in Table 15.
Table 14. Programming the CONTROL Register
Table 15. Control Register Functions
Option
CLRSEL
OVRRNG
REXT
OUTEN
SR CLOCK
SR STEP
SREN
DCEN
R2,R1,R0
RESET REGISTER
The RESET register is addressed by setting the address word of the input shift register to 0x56. The data to be written to the RESET
register is entered in positions D15 to D0 as shown in Table 17. The RESET register options are shown in Table 17 and Table 18.
Table 17. Programming the RESET Register
Table 18. RESET register Functions
Option
RESET
CLRSEL
MSB
D15
MSB
D15
Description
Setting this bit performs a reset operation, restoring the AD5412/AD5422 to its power-on state
D14
D14
D14
OVRRNG
D14
See Features Section. Digital Slew Rate Control
Digital Slew Rate Control enable
Daisychain enable
Output range select. See Table 16
Description
See Table 21 for a description of the CLRSEL
operation
Setting this bit increases the voltage output
range by 10%. Further details in Features
section
Setting this bit selects the external current
setting resistor, Further details in Features
section
Output enable. This bit must be set to enable
the outputs, The range bits select which output
will be functional.
See Features Section. Digital Slew Rate Control
D13
D13
D13
REXT
D13
D12
D12
D12
OUTEN
D12
D11
D11
D11
12-BIT DATA WORD
D11
D10
D10
D10
SR CLOCK
D10
D9
D9
16-BIT DATA WORD
Rev. PrF | Page 28 of 38
D9
D9
D8
D8
D8
D8
Table 16. Output Range Options
R2
0
0
0
0
1
1
1
D7
D7
D7
D7
R1
0
0
1
1
0
1
1
D6
D6
SR STEP
D6
D6
R0
0
1
0
1
1
0
1
D5
D5
D5
D5
Preliminary Technical Data
Output Range Selected
0 to +5V Voltage Range
0 to 10V Voltage Range
±5V Voltage Range
±10V Voltage Range
4 to 20 mA Current Range
0 to 20 mA Current Range
0 to 24 mA Current Range
D4
D4
SREN
D4
D4
D3
D3
D3
X
DCEN
D3
D2
D2
D2
X
D2
R2
D1
D1
D1
X
D1
R1
D0
LSB
D0
LSB
RESET
LSB
D0
LSB
D0
X
R0

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