Overview
The AD5722AREZ is a complete, dual, 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. This device operates from single-supply voltages ranging from +4.5 V to +16.5 V or dual-supply voltages from ±4.5 V to ±16.5 V. The nominal full-scale output range is software-selectable from +5 V, +10 V, +10.8 V, ±5 V, ±10 V, or ±10.8 V. The AD5722 features integrated output amplifiers, reference buffers, and proprietary power-up/power-down control circuitry, ensuring high accuracy and reliability.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | - | - | 12 Bits | - | - |
| Total Unadjusted Error (TUE) | -0.1 | - | +0.1 | % FSR | ±10 V range, B Version |
| Integral Nonlinearity (INL) | -16 | - | +16 | LSB | - |
| Differential Nonlinearity (DNL) | -1 | - | +1 | LSB | - |
| Output Voltage Settling Time | 10 | 12 | 20 | μs | 20 V step to ±0.03% FSR |
| Slew Rate | - | 3.5 | - | V/μs | - |
| Operating Temperature Range | -40 | - | +85 | °C | - |
Key Features
- Software-selectable output ranges: +5 V, +10 V, +10.8 V, ±5 V, ±10 V, or ±10.8 V.
- Integrated output amplifiers and reference buffers.
- Proprietary power-up/power-down control circuitry.
- Guaranteed monotonicity and low noise.
- Typical settling time of 10 μs.
- Serial interface compatible with DSP and microcontroller standards, operating up to 30 MHz.
- Double buffering for simultaneous updating of all DACs.
- Asynchronous clear function to zero-scale or midscale output.
- Available in a 24-lead TSSOP package.
Applications
- Industrial automation.
- Closed-loop servo control and process control.
- Automotive test and measurement.
- Programmable logic controllers.
Q & A
- What is the resolution of the AD5722AREZ DAC?
The AD5722AREZ has a resolution of 12 bits.
- What are the operating voltage ranges for the AD5722AREZ?
The device operates from single-supply voltages from +4.5 V to +16.5 V or dual-supply voltages from ±4.5 V to ±16.5 V.
- What is the typical settling time of the AD5722AREZ?
The typical settling time is 10 μs.
- What is the maximum clock rate for the serial interface of the AD5722AREZ?
The serial interface operates at clock rates up to 30 MHz.
- What are the available output ranges for the AD5722AREZ?
The output ranges are software-selectable from +5 V, +10 V, +10.8 V, ±5 V, ±10 V, or ±10.8 V.
- Does the AD5722AREZ have integrated output amplifiers and reference buffers?
Yes, it does.
- What is the operating temperature range for the AD5722AREZ?
The operating temperature range is from -40°C to +85°C.
- What package type is the AD5722AREZ available in?
The device is available in a 24-lead TSSOP package.
- Is the AD5722AREZ compatible with DSP and microcontroller interface standards?
Yes, it is compatible with DSP and microcontroller interface standards.
- Does the AD5722AREZ support double buffering for DAC updates?
Yes, it supports double buffering for simultaneous updating of all DACs.
