Overview
The AD2S80ATD/883B is a high-resolution, variable-resolution, monolithic tracking resolver-to-digital converter manufactured by Analog Devices Inc. This device is designed to provide precise positioning and motion control in various demanding applications. It operates as a Type 2 closed-loop system, automatically tracking the input signals without the need for a convert command. The AD2S80ATD/883B is notable for its low power consumption, typically only 300 mW, and its robust construction, making it suitable for harsh operating environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Signal Input Frequency | 50 | - | 20,000 | Hz |
| Signal Input Voltage Level | 1.8 | 2.0 | 2.2 | V rms |
| Input Bias Current | 60 | 150 | - | nA |
| Input Impedance | - | - | 1.0 MΩ | - |
| Maximum Voltage | - | - | 8 V pk | - |
| Reference Input Frequency | 50 | - | 20,000 | Hz |
| Reference Input Voltage Level | 1.0 | - | 8.0 | V pk |
| Resolution | - | - | 10, 12, 14, 16 bits | - |
| Voltage Supply | ±10.8V | - | ±13.2V | - |
| Operating Temperature | -55°C | - | 125°C | - |
| Package | - | - | 40-CDIP (0.600, 15.24mm) | - |
Key Features
- Monolithic Design: A one-chip solution that reduces package size and increases reliability.
- Variable Resolution: Supports 10-, 12-, 14-, and 16-bit resolutions set by the user.
- Low Power Consumption: Typically only 300 mW, making it energy-efficient.
- High Tracking Rate: Up to 1040 revolutions per second (RPS) for 10-bit resolution.
- Ratiometric Conversion: Conversion depends only on the ratio of the input signals, ensuring high immunity to amplitude and frequency variations.
- ESD Protection: ESD Class 2 protection (2,000 V min).
- Military Grade: Available processed in accordance with MIL-STD-883B, Class B.
- Analog Signal Output: Provides an analog signal proportional to velocity, which can replace a tachogenerator).
Applications
- DC Brushless and AC Motor Control: Used in precise motor control systems).
- Process Control: Utilized in various process control applications requiring precise positioning and motion control).
- Numerical Control of Machine Tools: Essential for accurate positioning in machine tool control systems).
- Robotics Axis Control: Employed in robotic systems for precise axis control).
- Military Servo Control: Critical in military applications such as missile guidance systems and radar antennas).
- Aerospace and Defense: Used in aerospace and defense for precise positioning and motion control in harsh environments).
Q & A
- What is the AD2S80ATD/883B?
The AD2S80ATD/883B is a high-resolution, variable-resolution, monolithic tracking resolver-to-digital converter manufactured by Analog Devices Inc..
- What are the available resolutions for the AD2S80ATD/883B?
The device supports 10-, 12-, 14-, and 16-bit resolutions set by the user.
- What is the typical power consumption of the AD2S80ATD/883B?
The typical power consumption is only 300 mW.
- What is the maximum tracking rate for the AD2S80ATD/883B?
The maximum tracking rate is up to 1040 revolutions per second (RPS) for 10-bit resolution.
- Is the AD2S80ATD/883B suitable for military applications?
Yes, it is available processed in accordance with MIL-STD-883B, Class B, making it suitable for military applications.
- What types of applications use the AD2S80ATD/883B?
It is 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 operating temperature range of the AD2S80ATD/883B?
The operating temperature range is from -55°C to 125°C.
- Does the AD2S80ATD/883B provide analog output?
Yes, it provides an analog signal proportional to velocity, which can replace a tachogenerator.
- What is the package type of the AD2S80ATD/883B?
The device comes in a 40-CDIP (0.600, 15.24mm) package.
- How does the AD2S80ATD/883B handle input signal variations?
The conversion depends only on the ratio of the input signals, ensuring high immunity to amplitude and frequency variations.
