Overview
The AD2S80ALD is a variable resolution, monolithic resolver-to-digital converter produced by Analog Devices Inc. This device is designed to convert the analog signals from a resolver into digital data, making it an essential component in various control and measurement systems. The AD2S80ALD is known for its high reliability, low power consumption, and robust performance across a wide range of operating conditions.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Frequency (Signal Input) | 50 | 20,000 | Hz | ||
| Voltage Level (Signal Input) | 1.8 | 2.0 | 2.2 | V rms | |
| Input Bias Current (Signal Input) | 60 | 150 | nA | ||
| Input Impedance (Signal Input) | 1.0 | MΩ | |||
| Maximum Voltage (Signal Input) | 8 | V pk | |||
| Frequency (Reference Input) | 50 | 20,000 | Hz | ||
| Voltage Level (Reference Input) | 1.0 | 8.0 | V pk | ||
| Input Bias Current (Reference Input) | 60 | 150 | nA | ||
| Input Impedance (Reference Input) | 1.0 | MΩ | |||
| Tracking Rate (10 Bits) | 1040 | rps | |||
| Tracking Rate (12 Bits) | 260 | rps | |||
| Resolution | 10, 12, 14, 16 | Bits |
Key Features
- Monolithic Design: The AD2S80ALD is a one-chip solution, reducing package size and increasing reliability.
- Variable Resolution: Supports resolutions of 10, 12, 14, and 16 bits, set by the user.
- Low Power Consumption: Typical power consumption is 300 mW.
- High Tracking Rate: Up to 1040 revolutions per second for 10-bit resolution.
- Velocity Output: Provides an analog signal proportional to velocity, which can replace a tachogenerator.
- Industrial and Military Temperature Range Versions: Available in both industrial and military temperature ranges, with options processed according to MIL-STD-883B, Class B.
- ESD Protection: ESD Class 2 protection (2,000 V min).
Applications
- DC Brushless and AC Motor Control: Used in motor control systems for precise position and velocity feedback.
- Process Control: Utilized in various process control applications requiring accurate position and velocity data.
- Numerical Control of Machine Tools: Essential for precise control in machine tool operations.
- Robotics Axis Control: Used in robotic systems for accurate positioning and movement control.
- Military Servo Control: Employed in military servo systems due to its high reliability and performance.
Q & A
- What is the AD2S80ALD used for? The AD2S80ALD is a resolver-to-digital converter used to convert analog signals from a resolver into digital data, which is essential in various control and measurement systems...
- What are the available resolutions for the AD2S80ALD? The AD2S80ALD supports resolutions of 10, 12, 14, and 16 bits, set by the user.
- What is the typical power consumption of the AD2S80ALD? The typical power consumption is 300 mW.
- What is the maximum tracking rate for the AD2S80ALD at 10-bit resolution? The maximum tracking rate at 10-bit resolution is 1040 revolutions per second.
- Does the AD2S80ALD provide velocity output? Yes, it provides an analog signal proportional to velocity, which can replace a tachogenerator.
- Are there military temperature range versions available for the AD2S80ALD? Yes, the AD2S80ALD is available in both industrial and military temperature ranges, with options processed according to MIL-STD-883B, Class B.
- What kind of ESD protection does the AD2S80ALD have? The AD2S80ALD has ESD Class 2 protection (2,000 V min).
- In what types of applications is the AD2S80ALD commonly used? It is commonly used in DC brushless and AC motor control, process control, numerical control of machine tools, robotics axis control, and military servo control.
- What is the input impedance for the signal inputs of the AD2S80ALD? The input impedance for the signal inputs is 1.0 MΩ.
- What is the maximum voltage for the signal inputs of the AD2S80ALD? The maximum voltage for the signal inputs is 8 V pk.
