Overview
The AD2S80ATD, produced by Analog Devices Inc., is a variable resolution, monolithic resolver-to-digital converter. This device is designed to convert resolver or synchro signals into digital position data, making it a crucial component in various control and measurement systems. The AD2S80ATD is known for its high reliability, low power consumption, and flexibility in resolution settings, which can be configured to 10, 12, 14, or 16 bits depending on the application requirements.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10, 12, 14, or 16 bits (user-selectable) |
| Package Type | 40-Lead DIP, 44-Terminal LCC |
| Power Consumption | Typically 300 mW |
| Reference Frequency Range | 50 Hz to 20,000 Hz |
| Maximum Tracking Rate | Up to 1040 RPS (10 bits) |
| Temperature Range | Industrial and Military temperature range versions available |
| ESD Protection | ESD Class 2 (2,000 V min) |
| Velocity Output | Analog signal proportional to velocity, linear to typically one percent |
Key Features
- Monolithic Design: Reduces package size and increases reliability.
- Ratiometric Tracking Conversion: Provides continuous output position data without conversion delay and is insensitive to absolute signal levels.
- Dynamic Performance: User-configurable bandwidth, maximum tracking rate, and velocity scaling using external resistors and capacitors.
- Low Power Consumption: Typically only 300 mW.
- Velocity Output: An analog signal proportional to velocity, which can replace a tachogenerator in many applications.
- High Noise Immunity: Tolerant to harmonic distortion on the reference and input signals.
Applications
- DC Brushless and AC Motor Control
- Process Control
- Numerical Control of Machine Tools
- Robotics Axis Control
- Military Servo Control
Q & A
- What is the AD2S80ATD used for?
The AD2S80ATD is used to convert resolver or synchro signals into digital position data, making it suitable for various control and measurement systems. - What are the available resolution settings for the AD2S80ATD?
The resolution can be set to 10, 12, 14, or 16 bits, depending on the application requirements. - What is the typical power consumption of the AD2S80ATD?
The typical power consumption is 300 mW. - What is the range of the reference frequency for the AD2S80ATD?
The reference frequency range is from 50 Hz to 20,000 Hz. - Does the AD2S80ATD provide a velocity output?
Yes, it provides an analog signal proportional to velocity, which is linear to typically one percent. - What are the temperature range options for the AD2S80ATD?
The device is available in both industrial and military temperature range versions. - How does the AD2S80ATD handle noise and harmonic distortion?
The device is tolerant of harmonic distortion on the reference and input signals and provides good noise immunity. - Can the dynamic performance of the AD2S80ATD be customized?
Yes, the bandwidth, maximum tracking rate, and velocity scaling can be customized using external resistors and capacitors. - What types of packages are available for the AD2S80ATD?
The device is available in 40-Lead DIP and 44-Terminal LCC packages. - Does the AD2S80ATD have ESD protection?
Yes, it has ESD Class 2 protection (2,000 V min).
