Overview
The AD8522ANZ is a dual 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is designed for single-supply operation at +5 volts and is available in 14-pin DIP and SO-14 surface mount packages. It features a serial digital interface, onboard reference, and buffered voltage outputs, making it ideal for systems requiring low cost and ease of use without the need for external components.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Full Scale Output Voltage | 4.095 V |
| Reference Voltage Output | 2.5 V nominal |
| Output Current Capability | ±5 mA |
| Power Supply | +5 V single supply |
| Power Consumption | 5 mW per DAC |
| Package Types | 14-pin DIP, SO-14 |
| Operating Temperature Range | -55°C to +125°C |
| Serial Interface | Three-wire data, clock, and load strobe format |
Key Features
- Complete dual 12-bit DAC with no external components required
- Single +5 V power supply operation
- Serial digital interface compatible with microcontroller ports
- Buffered voltage outputs capable of driving loads as low as 820 Ω in parallel with 500 pF
- Onboard reference voltage output (2.5 V nominal)
- Low power consumption (5 mW per DAC)
- Space-saving 1.5 mm height SO-14 package
- 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 resolution of the AD8522ANZ DAC?
The AD8522ANZ has a resolution of 12 bits. - What is the full scale output voltage of the AD8522ANZ?
The full scale output voltage is 4.095 V. - What type of power supply does the AD8522ANZ require?
The AD8522ANZ operates on a single +5 V power supply. - What is the reference voltage output of the AD8522ANZ?
The reference voltage output is 2.5 V nominal. - How much current can the output buffers of the AD8522ANZ drive?
The output buffers can drive ±5 mA. - What are the available package types for the AD8522ANZ?
The AD8522ANZ is available in 14-pin DIP and SO-14 surface mount packages. - What is the operating temperature range of the AD8522ANZ?
The operating temperature range is -55°C to +125°C. - How does the serial interface of the AD8522ANZ work?
The serial interface uses a three-wire data, clock, and load strobe format. - Can multiple AD8522ANZ devices be daisy-chained?
Yes, multiple devices can be daisy-chained using the serial data output and chip select input. - How does the reset input function on the AD8522ANZ?
The reset input sets the outputs to zero scale or midscale, as determined by the MSB pin.
