Overview
The AD558TD/883B, 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. It is designed to interface directly with an 8-bit data bus to an analog system without requiring external components or trims. The AD558TD/883B is part of the DACPORT family, known for its high performance and versatility, achieved through advanced monolithic bipolar technologies and integrated injection logic (I2L).
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 8 bits |
| Relative Accuracy (0°C to +70°C) | ±1/2 LSB |
| Relative Accuracy (-55°C to +125°C) | ±3/4 LSB |
| Output Ranges | 0 to +2.56 V, 0 to +10 V |
| Output Settling Time (0 to 2.56 V range) | 0.8 µs |
| Output Settling Time (0 to 10 V range) | 2.0 µs |
| Full-Scale Accuracy @ 25°C | ±1.5 LSB |
| Zero Error @ 25°C | ±1 LSB |
| Digital Input Current | ±100 µA |
| Input Capacitance | 4 pF |
| Operating Temperature Range | -55°C to +125°C |
| Package Type | 16-Lead Hermetic Ceramic DIP |
Key Features
- Complete DAC System: Includes output amplifier, full microprocessor interface, and precision voltage reference on a single chip.
- No External Components Required: Direct interface with an 8-bit data bus without needing external components or trims.
- Precision and Stability: Uses thin-film silicon-chromium resistors for stability and laser-wafer-trimming for absolute calibration.
- High Speed and Accuracy: Voltage settling to ±1/2 LSB in 800 ns for a full-scale step in the 0 to 2.56 V range.
- Wide Operating Temperature Range: Available in grades for operation from -55°C to +125°C.
- Military Grade Options: Grades S and T are screened to MIL-STD-883 Class B for military and aerospace applications.
Applications
- Industrial Control Systems: Suitable for applications requiring precise analog output from digital signals in industrial environments.
- Military and Aerospace: Designed to meet the rigorous demands of military and aerospace environments, including extreme temperatures and mechanical stress.
- Medical Devices: Can be used in medical devices that require accurate and stable analog outputs.
- Automotive Systems: Applicable in automotive systems that need reliable and precise digital-to-analog conversion.
Q & A
- What is the resolution of the AD558TD/883B?
The resolution of the AD558TD/883B is 8 bits.
- What are the output voltage ranges of the AD558TD/883B?
The output voltage ranges are 0 to +2.56 V and 0 to +10 V.
- What is the operating temperature range of the AD558TD/883B?
The operating temperature range is -55°C to +125°C.
- Does the AD558TD/883B require external components for operation?
No, the AD558TD/883B does not require external components or trims for operation.
- What is the settling time for a full-scale step in the 0 to 2.56 V range?
The settling time is 0.8 µs for a full-scale step in the 0 to 2.56 V range.
- Is the AD558TD/883B suitable for military and aerospace applications?
Yes, grades S and T are screened to MIL-STD-883 Class B, making it suitable for military and aerospace applications.
- What type of package is the AD558TD/883B available in?
The AD558TD/883B is available in a 16-Lead Hermetic Ceramic DIP package.
- What is the full-scale accuracy of the AD558TD/883B at 25°C?
The full-scale accuracy at 25°C is ±1.5 LSB.
- How is the output range selected on the AD558TD/883B?
The output range is selected using a single jumper to select the output voltage range.
- What is the input capacitance of the AD558TD/883B?
The input capacitance is 4 pF.
