Overview
The AD8522ARZ-REEL, produced by Analog Devices Inc., is a dual 12-bit digital-to-analog converter (DAC) designed for single-supply operation at +5V. This device is fabricated in a CBCMOS process and features a serial digital interface, onboard reference, and buffered voltage outputs. It is available in a 14-pin SOIC package and is ideal for systems requiring low cost and ease of use without the need for external components to achieve full performance.
Key Specifications
| Specification | Value |
|---|---|
| Number of D/A Converters | 2 |
| Number of Bits | 12 |
| Voltage - Supply, Digital/Analog | +5V ± 10% |
| Package / Case | 14-SOIC (0.154', 3.90mm Width) |
| Settling Time | 16µs (Typ) |
| Reference Type | Internal |
| Output Type | Voltage - Buffered |
| Operating Temperature | -40°C ~ 85°C |
| INL/DNL (LSB) | ±0.5, ±0.5 |
| Data Interface | SPI |
| Architecture | R-2R |
| Full Scale Output | 4.095 V |
| Output Current Capability | ±5 mA |
Key Features
- Complete dual 12-bit DAC with no external components required.
- Single +5V supply operation.
- Serial digital interface with a simple three-wire data, clock, and load strobe format.
- Buffered voltage outputs with a full scale of 4.095 V and a resolution of 1 mV/LSB.
- Internal 2.5 V reference output available for other data acquisition circuitry.
- Low power consumption: 5 mW per DAC.
- Space-saving 14-pin SOIC package with a height of 1.5 mm.
- Serial data output for daisy-chaining multiple devices.
- Reset input to set outputs to zero scale or midscale.
Applications
- Digitally controlled calibration.
- Servo controls.
- Process control equipment.
- Computer peripherals.
- Portable instrumentation.
Q & A
- What is the AD8522ARZ-REEL? The AD8522ARZ-REEL is a dual 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc.
- What is the supply voltage for the AD8522ARZ-REEL? The AD8522ARZ-REEL operates on a single +5V supply with a tolerance of ±10%.
- What is the package type of the AD8522ARZ-REEL? The AD8522ARZ-REEL is available in a 14-pin SOIC package.
- What is the settling time of the AD8522ARZ-REEL? The settling time is typically 16µs.
- Does the AD8522ARZ-REEL require external components? No, the AD8522ARZ-REEL does not require external components to achieve full performance.
- What is the full scale output voltage of the AD8522ARZ-REEL? The full scale output voltage is 4.095 V.
- What is the resolution of the AD8522ARZ-REEL? The resolution is 1 mV/LSB.
- Can multiple AD8522ARZ-REEL devices be daisy-chained? Yes, multiple devices can be daisy-chained using the serial data output and chip select input.
- What is the operating temperature range of the AD8522ARZ-REEL? The operating temperature range is -40°C to 85°C.
- What are some typical applications of the AD8522ARZ-REEL? Typical applications include digitally controlled calibration, servo controls, process control equipment, computer peripherals, and portable instrumentation.
