Overview
The AD8522AR-REEL, produced by Analog Devices Inc., is a complete dual 12-bit, single-supply, voltage output digital-to-analog converter (DAC). This monolithic device is fabricated in a CBCMOS process and is ideal for +5 V-only systems. It offers low cost and ease of use, requiring no external components to realize its full performance. The AD8522 features a serial digital interface, onboard reference, and buffered voltage outputs, making it suitable for a variety of applications.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Resolution | Dual 12-bit DAC | 12 bits |
| Supply Voltage | Positive +5 V power supply input | +5 V ±10% |
| Full Scale Output | Voltage output range | 4.095 V |
| Output Current | Maximum output current | ±5 mA |
| Reference Voltage | External reference voltage output | 2.5 V nominal |
| Operating Temperature | Operating temperature range | –55°C to +125°C |
| Power Consumption | Power consumption per DAC | 5 mW |
| Package Types | Available packages | 14-pin plastic DIP, low profile 1.5 mm SOIC-14 |
Key Features
- Complete dual 12-bit DAC with onboard reference and buffered voltage outputs.
- Single-supply operation at +5 V with no external components required.
- Serial digital interface with high-speed, three-wire data, clock, and load strobe format.
- Laser-trimmed output for high accuracy over the operating temperature range.
- Low power consumption of 5 mW per DAC.
- Space-saving 1.5 mm height SO-14 package.
- Reset input (RS) to set outputs to zero scale or midscale.
Applications
- Digitally controlled calibration systems.
- Servo controls and process control equipment.
- Computer peripherals and portable instrumentation.
Q & A
- What is the resolution of the AD8522AR-REEL DAC?
The AD8522AR-REEL has a dual 12-bit resolution.
- What is the supply voltage requirement for the AD8522AR-REEL?
The device operates on a single +5 V power supply with a tolerance of ±10%.
- What is the full scale output voltage of the AD8522AR-REEL?
The full scale output voltage is 4.095 V.
- What is the maximum output current of the AD8522AR-REEL?
The maximum output current is ±5 mA.
- Does the AD8522AR-REEL require any external components for operation?
No, the AD8522AR-REEL does not require any external components to realize its full performance.
- What types of packages are available for the AD8522AR-REEL?
The device is available in 14-pin plastic DIP and low profile 1.5 mm SOIC-14 packages.
- How does the serial digital interface of the AD8522AR-REEL work?
The serial digital interface uses a high-speed, three-wire data, clock, and load strobe format.
- What is the purpose of the reset input (RS) on the AD8522AR-REEL?
The reset input (RS) sets the outputs to zero scale or midscale, as determined by the MSB pin.
- What are some common applications of the AD8522AR-REEL?
Common applications include digitally controlled calibration systems, servo controls, process control equipment, computer peripherals, and portable instrumentation.
- What is the operating temperature range of the AD8522AR-REEL?
The operating temperature range is –55°C to +125°C.
