Overview
The AD760AQ is a 16/18-bit self-calibrating monolithic Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This device is part of the DACPORT family and is manufactured using Analog Devices’ BiMOS II process, which combines low power CMOS logic functions with high precision bipolar linear circuitry. The AD760AQ features onboard voltage reference, double buffered latches, and an output amplifier, making it a comprehensive solution for various precision analog output applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16/18 bits |
| Output Type | Voltage Output |
| Package Type | 28-pin CDIP (0.600", 15.24mm) |
| Operating Temperature Range | -40°C to +85°C (AQ version) |
| Data Input Format | Straight binary, serial data, or two 8-bit bytes |
| Serial Mode Input | MSB or LSB first, pin selectable |
| Calibration | Self-calibrating, initiated by pulsing the CAL pin low |
| Output Multiplexer | Can send output to the bottom of the output range during calibration |
| CLR Function | Asynchronous, clears output to minus full-scale or midscale |
Key Features
- Onboard voltage reference for stability and accuracy
- Double buffered latches to eliminate data skew errors and enable simultaneous updating of DACs in multi-DAC systems
- Serial output (SOUT) pin for daisy chaining multiple AD760AQ devices, reducing the number of control lines needed
- Self-calibration feature initiated by pulsing the CAL pin low, with CALOK pin indicating successful calibration
- Flexible data input formats: straight binary, serial data, or two 8-bit bytes, with MSB or LSB first selectable in serial mode
- Asynchronous CLR function configurable to clear output to minus full-scale or midscale
- Digital and analog power supply detection circuit for predetermined output state at power-up
Applications
The AD760AQ is particularly suited for applications requiring high precision and reliability, such as robotic and industrial control systems. Its features make it ideal for use in multi-DAC systems, where simultaneous updating and minimal control lines are crucial. Additionally, it can be used in any application that demands accurate and stable analog output signals.
Q & A
- What is the resolution of the AD760AQ?
The AD760AQ has a resolution of 16/18 bits. - What type of output does the AD760AQ provide?
The AD760AQ provides a voltage output. - In what package is the AD760AQ available?
The AD760AQ is available in a 28-pin CDIP package. - What is the operating temperature range for the AD760AQ?
The operating temperature range for the AD760AQ is -40°C to +85°C (AQ version). - How can data be loaded into the AD760AQ?
Data can be loaded into the AD760AQ as straight binary, serial data, or as two 8-bit bytes. - Can the AD760AQ be self-calibrated?
Yes, the AD760AQ can be self-calibrated by pulsing the CAL pin low. - What is the purpose of the CALOK pin?
The CALOK pin indicates when the self-calibration has been successfully completed. - How can multiple AD760AQ devices be connected?
Multiple AD760AQ devices can be daisy-chained using the serial output (SOUT) pin. - What is the function of the asynchronous CLR pin?
The asynchronous CLR pin can clear the output to minus full-scale or midscale, depending on the state of Pin 17. - What type of power supply detection does the AD760AQ have?
The AD760AQ has a digital and analog power supply detection circuit to ensure a predetermined output state at power-up.
