Overview
The AD558JN, produced by Analog Devices Inc., is a complete voltage-output 8-bit digital-to-analog converter (DAC) integrated on a single monolithic chip. It includes an output amplifier, a full microprocessor interface, and a precision voltage reference. This device is designed for ease of application, requiring no external components or trims to interface with an 8-bit data bus to an analog system. The AD558JN is part of the AD558 series, which is known for its high performance and versatility, thanks to advanced monolithic bipolar technologies.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Resolution | 8 bits | |
| Output Voltage Ranges | 0 V to 2.56 V, 0 V to 10 V | User-selectable via output range select pin |
| Supply Voltage | +5V to +15V | Single-supply operation |
| Temperature Range | 0°C to +70°C | |
| Package Types | 16-pin PDIP (N-16), 16-pin hermetic ceramic DIP, 20-pin JEDEC standard PLCC | |
| Settling Time | ±1/2 LSB | |
| Data Input Setup Time | 200 ns | |
| Data Input Hold Time | 10 ns |
Key Features
- Complete 8-Bit DAC: Includes output amplifier and precision voltage reference on a single monolithic chip.
- Single-Supply Operation: Operates from +5V to +15V.
- Full Microprocessor Interface: Integrated injection logic (I2L) for control logic and latches.
- Calibrated Output Ranges: User-selectable output ranges of 0 V to 2.56 V and 0 V to 10 V.
- High Speed Output Buffer Amplifier: Operated in non-inverting mode with user-determined gain.
- Reliability and Durability: Available in hermetically-sealed packages and military temperature grades (AD558S and T) screened to MIL-STD-883.
Applications
- Industrial Control Systems: For precise analog output in control systems.
- Military and Aerospace: Designed to meet the rigors of military/aerospace environments with temperature extremes and mechanical stress.
- Data Acquisition Systems: For converting digital data to analog signals in various measurement and monitoring systems.
- Automated Test Equipment: For generating precise analog signals in test and measurement applications.
Q & A
- What is the resolution of the AD558JN DAC?
The AD558JN has an 8-bit resolution.
- What are the output voltage ranges of the AD558JN?
The output voltage ranges are 0 V to 2.56 V and 0 V to 10 V, which are user-selectable.
- What is the supply voltage range for the AD558JN?
The supply voltage range is +5V to +15V.
- What are the available package types for the AD558JN?
The AD558JN is available in 16-pin PDIP, 16-pin hermetic ceramic DIP, and 20-pin JEDEC standard PLCC packages.
- What is the settling time of the AD558JN DAC?
The settling time is ±1/2 LSB.
- Is the AD558JN suitable for military applications?
- Does the AD558JN require external components for operation?
No, the AD558JN does not require external components or trims to interface with an 8-bit data bus to an analog system.
- What is the temperature range for the AD558J and AD558K grades?
The temperature range is 0°C to +70°C.
- What is the purpose of the output buffer amplifier in the AD558JN?
The output buffer amplifier is operated in non-inverting mode and allows user-determined gain.
- How is the precision of the output voltage ranges ensured in the AD558JN?
The precision is ensured through thin-film laser-trimmed resistors and precise initial calibration of the output ranges.
