Key facts
- Brand
- Analog Devices
- Model
- AD5421
- Industry
- Industrial
- Documents
- 3
- Languages
- ZH · EN
- Last added
- 2026-10-10
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Analog Devices AD5421 16-Bit Serial Input Loop-Powered DAC Datasheet
The AD5421 is a complete loop-powered 4 mA to 20 mA DAC specifically designed to meet the needs of smart transmitter manufacturers in the industrial control field. It features a compact TSSOP and LFCSP package with an integrated voltage regulator, reference voltage source, fault alarm function, and SPI-compatible serial digital interface. This manual is written in Chinese.
Read onlineAnalog Devices AD5421 specifications
| Resolution | 16 bit |
|---|---|
| Total Unadjusted Error (TUE) | 0.05% FSR max |
| Integral Nonlinearity (INL) | 0.0035% FSR max |
| Output Temperature Coefficient | 3 ppm/°C typ |
| Operating Temperature Range | -40°C to +105°C |
| Package Types | TSSOP and LFCSP |
Source: Analog Devices AD5421 16-Bit Serial Input Loop-Powered DAC Datasheet
All Analog Devices AD5421 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum total unadjusted error (TUE)?
The maximum Total Unadjusted Error (TUE) is 0.05% FSR.
From: Analog Devices AD5421 16-Bit Serial Input Loop-Powered DAC Datasheet
Does the AD5421 include an internal voltage regulator?
Yes, it features a built-in voltage regulator that provides 1.8 V to 12 V regulated output.
From: Analog Devices AD5421 16-Bit Serial Input Loop-Powered DAC Datasheet
What is the loop voltage range for the AD5421?
The AD5421 operates with a loop voltage from 5.5 V up to 52 V.
What is the quiescent current of the AD5421?
The device draws a maximum quiescent current of 300 µA.