Overview
The AD558TD, 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, making it a versatile and reliable component for various applications. The AD558TD is part of the DACPORT® series, known for its high performance and ease of use, requiring no external components or trims to interface with an 8-bit data bus to an analog system.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution | 8-bit |
| Output Voltage Range | 0 V to 2.56 V and 0 V to 10 V |
| Power Supply | +5 V to +15 V |
| Operating Temperature Range | -55°C to +125°C (grades S and T), 0°C to +70°C (grades J and K) |
| Package Types | 16-pin plastic (N) or hermetic ceramic (D) DIP, 20-pin JEDEC standard PLCC |
| Voltage Settling Time | 800 ns for a full-scale step to ±1/2 LSB |
| Control Logic | Integrated injection logic (I2L) |
| Voltage Reference | Patented low voltage bandgap circuit |
Key Features
- Complete Microprocessor Interface: The AD558TD includes a full microprocessor interface, making it easy to integrate with digital systems.
- Precision Voltage Reference: The device features a patented low voltage bandgap circuit, ensuring accurate performance over a wide temperature range.
- No External Components Required: No external components or trims are needed for accurate operation, simplifying the design process.
- High Speed Output Buffer Amplifier: The output buffer amplifier operates in non-inverting mode with user-determined gain, and it settles to ±1/2 LSB in 800 ns for a full-scale step.
- Reliability and Durability: Available in military temperature grades (S and T) and hermetically sealed packages, ensuring reliability in harsh environments.
Applications
- Military and Aerospace: The AD558TD is designed to meet the rigorous demands of military and aerospace applications, with temperature ranges from -55°C to +125°C for grades S and T.
- Industrial Automation: Suitable for industrial control systems where precise analog output is required from digital inputs.
- Medical Devices: Can be used in medical equipment that requires accurate and reliable digital-to-analog conversion.
- Test and Measurement Equipment: Ideal for applications requiring high precision and stability in analog output.
Q & A
- What is the resolution of the AD558TD?
The AD558TD is an 8-bit digital-to-analog converter.
- What are the output voltage ranges of the AD558TD?
The output voltage ranges are 0 V to 2.56 V and 0 V to 10 V.
- What is the power supply range for the AD558TD?
The power supply range is +5 V to +15 V.
- What are the operating temperature ranges for the AD558TD?
The operating temperature ranges are -55°C to +125°C for grades S and T, and 0°C to +70°C for grades J and K.
- What types of packages are available for the AD558TD?
The device is available in 16-pin plastic (N) or hermetic ceramic (D) DIP, and 20-pin JEDEC standard PLCC packages.
- How long does it take for the output to settle to ±1/2 LSB for a full-scale step?
The output settles to ±1/2 LSB in 800 ns for a full-scale step.
- What type of control logic is used in the AD558TD?
The device uses integrated injection logic (I2L).
- Does the AD558TD require external components or trims for accurate operation?
No, the AD558TD does not require external components or trims for accurate operation.
- What is the purpose of the precision voltage reference in the AD558TD?
The precision voltage reference, based on a patented low voltage bandgap circuit, ensures accurate performance over a wide temperature range.
- Is the AD558TD suitable for harsh environments?
Yes, the AD558TD is designed to be reliable in harsh environments, with military temperature grades and hermetically sealed packages available.
