Overview
The AD2S83IP, produced by Analog Devices Inc., is a monolithic variable resolution resolver-to-digital converter. This device is designed to convert the analog signals from a resolver into digital data, offering high accuracy and flexibility. It supports resolutions of 10, 12, 14, or 16 bits, which can be selected by the user to optimize system performance. The AD2S83IP also provides a precise analog velocity signal, eliminating the need for mechanical tachogenerators in servo systems. This makes it an ideal component for applications requiring precise position and velocity measurements.
Key Specifications
Parameter | Typical Value | Unit |
---|---|---|
Resolution | 10, 12, 14, or 16 bits | - |
SIGNAL INPUTS (SIN, COS) Frequency | 0 - 20,000 | Hz |
SIGNAL INPUTS (SIN, COS) Voltage Level | 1.8 - 2.2 | V rms |
SIGNAL INPUTS (SIN, COS) Input Bias Current | 60 - 150 | nA |
SIGNAL INPUTS (SIN, COS) Input Impedance | 1.0 MΩ | - |
REFERENCE INPUT (REF) Frequency | 0 - 20,000 | Hz |
REFERENCE INPUT (REF) Voltage Level | 1.0 - 8.0 | V pk |
Angular Accuracy | ±1 LSB arc min | - |
Velocity Signal Linearity | ±0.15% to ±1.0% FSR | - |
Reversion Error | ±0.5% to ±1.5% O/P | - |
Package Type | 44-LCC (J-Lead), Surface Mount | - |
Key Features
- User-Selectable Resolution: The AD2S83IP allows users to select resolutions of 10, 12, 14, or 16 bits, optimizing system performance for various applications.
- Precise Analog Velocity Signal: Provides a high-accuracy analog velocity signal, replacing the need for mechanical tachogenerators in servo systems.
- Ratiometric Tracking Conversion: Ensures accurate tracking of the resolver signals relative to the reference input.
- High Accuracy and Monotonicity: Offers high angular accuracy and guaranteed monotonicity, ensuring reliable and consistent performance.
- Flexible Output Configuration: Supports 3-state output pins configurable for 8- or 16-bit bus operations.
- Input/Output Protection: Includes overvoltage protection for analog inputs and short-circuit protection for analog outputs.
Applications
- Industrial Production: Used in various industrial automation and control systems.
- Smart Home Appliances: Can be integrated into smart home devices requiring precise position and velocity measurements.
- Electric Vehicles: Utilized in electric vehicle systems for accurate motor control and positioning.
- Medical Devices: Employed in medical equipment where precise position and velocity data are critical.
- Internet of Things (IoT): Suitable for IoT applications that require accurate and reliable sensor data.
Q & A
- What is the AD2S83IP used for?
The AD2S83IP is a resolver-to-digital converter used to convert analog signals from a resolver into digital data, providing precise position and velocity measurements.
- What resolutions does the AD2S83IP support?
The AD2S83IP supports resolutions of 10, 12, 14, or 16 bits, which can be selected by the user.
- What is the typical frequency range for the signal inputs?
The signal inputs (SIN, COS) operate over a frequency range of 0 to 20,000 Hz.
- Does the AD2S83IP provide an analog velocity signal?
Yes, the AD2S83IP provides a precise analog velocity signal, which can replace mechanical tachogenerators in servo systems.
- What is the package type of the AD2S83IP?
The AD2S83IP is packaged in a 44-LCC (J-Lead) package with a surface mount type.
- What are some common applications of the AD2S83IP?
The AD2S83IP is used in industrial production, smart home appliances, electric vehicles, medical devices, and IoT applications.
- How does the AD2S83IP ensure accurate tracking of resolver signals?
The AD2S83IP uses ratiometric tracking conversion to ensure accurate tracking of the resolver signals relative to the reference input.
- What kind of input/output protection does the AD2S83IP offer?
The AD2S83IP includes overvoltage protection for analog inputs and short-circuit protection for analog outputs.
- Can the output configuration of the AD2S83IP be customized?
Yes, the AD2S83IP supports 3-state output pins that can be configured for 8- or 16-bit bus operations.
- What is the angular accuracy of the AD2S83IP?
The AD2S83IP offers an angular accuracy of ±1 LSB arc min.
- Is the AD2S83IP guaranteed to be monotonic?
Yes, the AD2S83IP guarantees monotonicity in its output.