Overview
The AD2S80ASD, produced by Analog Devices Inc., is a monolithic tracking resolver-to-digital converter. This device is available in 40-lead DIP or 44-terminal LCC ceramic packages and offers variable resolution of 10, 12, 14, or 16 bits. It is designed to convert resolver signals into digital data, making it highly suitable for applications requiring precise angle and velocity measurements. The AD2S80ASD is known for its high reliability, low power consumption, and robust performance in various environmental conditions, including industrial and military temperature ranges.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 40-lead DIP, 44-terminal LCC |
| Resolution | 10, 12, 14, 16 bits |
| Operating Supply Voltage | +/- 12 V |
| Minimum Operating Temperature | -55°C |
| Maximum Operating Temperature | +125°C |
| Interface Type | Parallel |
| Reference Type | External |
| Signal Input Frequency | 50 Hz to 20,000 Hz |
| Signal Input Voltage Level | 1.8 V to 2.2 V rms |
| Input Impedance | 1.0 MΩ |
| Tracking Rate (10 Bits) | 1040 rps |
Key Features
- Monolithic design for increased reliability and reduced package size
- Variable resolution: 10, 12, 14, or 16 bits set by the user
- Low power consumption: 300 mW typical
- High max tracking rate: up to 1040 rps for 10-bit resolution
- Velocity output available, can replace a tachogenerator
- ESD Class 2 protection (2,000 V min)
- Military temperature range versions available
Applications
- DC brushless and AC motor control
- Process control
- Numerical control of machine tools
- Robotics axis control
- Military servo control
Q & A
- Q: What is the AD2S80ASD used for?
A: The AD2S80ASD is used for converting resolver signals into digital data, particularly in applications requiring precise angle and velocity measurements. - Q: What are the available resolutions for the AD2S80ASD?
A: The AD2S80ASD is available in resolutions of 10, 12, 14, or 16 bits. - Q: What is the operating temperature range for the AD2S80ASD?
A: The operating temperature range is from -55°C to +125°C. - Q: What is the typical power consumption of the AD2S80ASD?
A: The typical power consumption is 300 mW. - Q: Does the AD2S80ASD have ESD protection?
A: Yes, it has ESD Class 2 protection (2,000 V min). - Q: What are the common applications of the AD2S80ASD?
A: Common applications include DC brushless and AC motor control, process control, numerical control of machine tools, robotics axis control, and military servo control. - Q: How does the AD2S80ASD handle input signal variations?
A: The AD2S80ASD is tolerant of input amplitude and frequency variations because the conversion depends only on the ratio of the input signals. - Q: Is the AD2S80ASD available in military-grade versions?
A: Yes, it is available processed in accordance with MIL-STD-883B, Class B. - Q: What type of interface does the AD2S80ASD use?
A: The AD2S80ASD uses a parallel interface. - Q: Can the AD2S80ASD replace a tachogenerator?
A: Yes, it provides an analog signal proportional to velocity that can replace a tachogenerator.
