AD5421 Analog Devices, AD5421 Datasheet - Page 24

• Manufacturer Part Number: AD5421
• Description: 16-Bit, Serial Input, Loop-Powered, 4mA to 20mA DAC
• Manufacturer: Analog Devices

Specifications of AD5421

• Resolution (bits): 16bit
• Dac Settling Time: 50µs
• Max Pos Supply (v): +52V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: SPI

AD5421
Figure 48 shows the circuit diagram for this measurement. The
47 nF and 168 nF capacitor values for C
adequate filtering of the digital steps, ensuring that they do not
cause interference.
FROM HART MODEM
168nF
Figure 48. Circuit Diagram for Figure 47
AD5421
C
IN
REG
47nF
LOOP–
IN
COM
HART
and C
SLEW
R
V
L
LOOP
provide
Rev. C | Page 24 of 36
Data Sheet