Overview
The AD558SD, produced by Analog Devices Inc., is a complete voltage-output 8-bit digital-to-analog converter (DAC) integrated on a single monolithic chip. This device includes an output amplifier, a full microprocessor interface, and a precision voltage reference, eliminating the need for external components or trims to interface with an 8-bit data bus to an analog system. The AD558SD is part of the DACPORT family, known for its performance and versatility, achieved through advanced monolithic bipolar technologies.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 8-bit |
| Output Range | 0 V to 2.56 V, 0 V to 10 V (selectable) |
| Temperature Range | -55°C to +125°C (AD558S and T grades) |
| Package Types | 16-pin hermetic ceramic DIP, 20-pin JEDEC standard PLCC |
| Settling Time | 10 μs to ±1/2 LSB |
| Data Setup Time | 200 ns |
| Data Hold Time | 10 ns |
| Storage Pulse Width | 200 ns |
Key Features
- Complete voltage-output 8-bit DAC with output amplifier and precision voltage reference on a single chip.
- No external components or trims required for accurate operation.
- Full microprocessor interface and control logic implemented with integrated injection logic.
- Selectable output voltage ranges (0 V to 2.56 V and 0 V to 10 V).
- High-speed output buffer amplifier with user-determined gain.
- Hermetically-sealed, low-profile DIP package for reliability in harsh environments.
- Compliance with MIL-STD-883 for military/aerospace applications.
Applications
- Military and aerospace systems due to its reliability and compliance with MIL-STD-883.
- Industrial control systems requiring precise analog output from digital signals.
- Automotive systems where temperature stability and reliability are crucial.
- Medical devices that need accurate and stable analog outputs.
- Any application requiring a compact, reliable, and precise DAC solution.
Q & A
- What is the resolution of the AD558SD DAC?
The AD558SD has an 8-bit resolution.
- What are the available output voltage ranges for the AD558SD?
The AD558SD offers selectable output voltage ranges of 0 V to 2.56 V and 0 V to 10 V.
- What is the temperature range for the AD558S and T grades?
The AD558S and T grades are specified for operation over the -55°C to +125°C temperature range.
- What types of packages are available for the AD558SD?
The AD558SD is available in 16-pin hermetic ceramic DIP and 20-pin JEDEC standard PLCC packages.
- Does the AD558SD require external components for operation?
No, the AD558SD does not require external components or trims for accurate operation.
- What is the settling time of the AD558SD?
The settling time of the AD558SD is 10 μs to ±1/2 LSB.
- Is the AD558SD suitable for military and aerospace applications?
- How is the output range selected on the AD558SD?
The output range is selected using a single jumper to choose between the 0 V to 2.56 V and 0 V to 10 V ranges.
- What is the purpose of the high-speed output buffer amplifier in the AD558SD?
The high-speed output buffer amplifier provides a user-determined gain and is operated in the non-inverting mode.
- What is the significance of the hermetically-sealed package of the AD558SD?
The hermetically-sealed package protects the chip from hazardous environments and ensures reliability in harsh conditions.
