Overview
The AD5422AREZ from Analog Devices Inc. is a precision, fully integrated 16-bit digital-to-analog converter (DAC) designed for industrial process control applications. This device offers a programmable current source and programmable voltage output, making it versatile for various industrial needs. It is part of the AD5412/AD5422 family, known for its low cost and high precision.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 16 Bits | AD5422 | |||
| Current Output Ranges | 4 mA | 20 mA, 24 mA | Programmable | ||
| Voltage Output Ranges | 0 V | 5 V, 10 V, ±5 V, ±10 V | Programmable | ||
| Total Unadjusted Error (TUE) | -0.1% | ±0.01% | +0.1% | % FSR | TA = 25°C |
| Output Drift | ±3 ppm FSR/°C | Bipolar output range | |||
| Power Supply Range | 10.8 V | 40 V | V | AVDD | |
| Temperature Range | -40°C | +105°C | °C |
Key Features
- 12-/16-bit resolution and monotonicity
- Programmable current output ranges: 4 mA to 20 mA, 0 mA to 20 mA, or 0 mA to 24 mA
- Programmable voltage output ranges: 0 V to 5 V, 0 V to 10 V, ±5 V, or ±10 V
- High accuracy with ±0.01% FSR typical total unadjusted error (TUE)
- Low output drift: ±3 ppm FSR/°C for bipolar output range
- Flexible serial digital interface
- On-chip output fault detection
- On-chip reference: 10 ppm/°C maximum
- Optional regulated DVCC output
- Asynchronous clear function
Applications
- Process controls
- Actuator controls
- PLC (Programmable Logic Controllers)
- HART network connectivity (LFCSP package only)
Q & A
- What is the resolution of the AD5422AREZ?
The AD5422AREZ has a 16-bit resolution.
- What are the programmable current output ranges of the AD5422AREZ?
The device offers programmable current output ranges of 4 mA to 20 mA, 0 mA to 20 mA, or 0 mA to 24 mA.
- What are the voltage output ranges of the AD5422AREZ?
The voltage output ranges are 0 V to 5 V, 0 V to 10 V, ±5 V, or ±10 V.
- What is the typical total unadjusted error (TUE) of the AD5422AREZ?
The typical TUE is ±0.01% FSR.
- What is the output drift of the AD5422AREZ?
The output drift is ±3 ppm FSR/°C for the bipolar output range.
- What is the power supply range for the AD5422AREZ?
The power supply range is from 10.8 V to 40 V for AVDD.
- What is the temperature range for the AD5422AREZ?
The temperature range is from -40°C to +105°C.
- Does the AD5422AREZ support HART network connectivity?
Yes, but only for the LFCSP package.
- What are some common applications of the AD5422AREZ?
Common applications include process controls, actuator controls, PLC, and HART network connectivity.
- Does the AD5422AREZ have on-chip output fault detection?
Yes, it does have on-chip output fault detection.
