AD5422AREZ Analog Devices Inc, AD5422AREZ Datasheet - Page 30

• Manufacturer Part Number: AD5422AREZ
• Description: IC DAC 16BIT SER 24TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5422AREZ

• Data Interface: MICROWIRE™, Serial, SPI™
• Design Resources: 16-Bit Fully Isolated Output Module Using AD5422 and ADuM1401 (CN0065) Simplified 16-Bit Voltage Output and 4 mA-to-20 mA Output Solution Using AD5422 (CN0077)
• Settling Time: 25µs
• Number Of Bits: 16
• Number Of Converters: 1
• Voltage Supply Source: Analog and Digital, Dual ±
• Power Dissipation (max): 950mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP Exposed Pad, 24-eTSSOP, 24-HTSSOP
• Resolution (bits): 16bit
• Sampling Rate: 40kSPS
• Input Channel Type: Serial
• Supply Voltage Range - Analogue: -26.4V To 0V, 10.8V To 40V
• Supply Voltage Range - Digital: 2.7V To
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD5412/AD5422
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 the D0 position 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
STATUS REGISTER
The status register is a read-only register. The status register functionality is shown in Table 19 and Table 20.
Table 19. Decoding the Status Register
MSB
Table 20. Status Register Functions
Option
I
Slew Active
Over Temp
OUT
D15
MSB
D15
Fault
D14
D14
Description
Setting this bit performs a reset operation, restoring the AD5412/AD5422 to its power-on state.
D13
D13
Description
This bit is set if a fault is detected on the I
This bit is set while the output value is slewing (slew rate control enabled).
This bit is set if the AD5412/AD5422 core temperature exceeds ~150°C.
D12
D12
D11
D11
D10
Reserved
D9
D10
D8
Reserved
Rev. C | Page 30 of 40
D9
OUT
D7
pin.
D8
D6
D7
D5
D4
D6
D3
D5
I
OUT
D2
D4
fault
D3
Slew active
D1
D2
D1
Over temp
D0
Reset
LSB
D0
LSB