Overview
The AD2S1210WDSTZ, produced by Analog Devices Inc., is a comprehensive 10-bit to 16-bit resolution tracking resolver-to-digital converter. This component integrates an on-board programmable sinusoidal oscillator, which provides sine wave excitation for resolvers. It is designed to convert the input sine and cosine signals from a resolver into a digital representation of the input angle and velocity. The AD2S1210WDSTZ is particularly suited for applications requiring high accuracy and reliability, such as in automotive and industrial control systems.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10-bit to 16-bit |
| Input Signal Range | 3.15 V p-p ± 27% (sine and cosine inputs) |
| Input Frequency Range | 2 kHz to 20 kHz |
| Supply Voltage | 5 V with 2.3 V to 5.25 V logic interface |
| Temperature Range | −40°C to +125°C (C, D, and W grades) |
| Maximum Tracking Rate | 3125 rps |
| Interface | 16-bit parallel port or 4-wire serial interface (SPI) |
| Encoder Emulation | Incremental encoder emulation in standard A-quad-B format |
| Fault Detection | System fault detection with programmable thresholds |
| Safety Certification | AEC-Q100 qualified, ASIL B safety assessment certificate available |
Key Features
- Ratiometric Tracking Conversion: Continuous output position data without conversion delay, providing noise immunity and tolerance of harmonic distortion.
- System Fault Detection: Detects loss of resolver signals, out-of-range input signals, input signal mismatch, or loss of position tracking with programmable threshold levels.
- Programmable Excitation Frequency: Easily programmable excitation frequency between 2 kHz and 20 kHz.
- Triple Format Position Data: Absolute 10-bit to 16-bit angular position data accessible via 16-bit parallel port or 4-wire serial interface.
- Digital Velocity Output: 10-bit to 16-bit signed digital velocity output via 16-bit parallel port or 4-wire SPI.
- Incremental Encoder Emulation: Standard A-quad-B format with direction output available.
Applications
- DC and AC Servo Motor Control: Precise control and feedback for servo motors.
- Encoder Emulation: Emulates incremental encoders for various applications.
- Electric Power Steering: Used in automotive electric power steering systems.
- Electric Vehicles: Integrated into systems for electric vehicles.
- Integrated Starter Generators and Alternators: For automotive and industrial power generation and starting systems.
- Automotive Motion Sensing and Control: For various motion sensing and control applications in vehicles.
Q & A
- What is the resolution of the AD2S1210WDSTZ?
The AD2S1210WDSTZ has a resolution of 10-bit to 16-bit. - What is the input signal range for the AD2S1210WDSTZ?
The input signal range is 3.15 V p-p ± 27% for sine and cosine inputs. - What is the maximum tracking rate of the AD2S1210WDSTZ?
The maximum tracking rate is 3125 rps. - What interfaces does the AD2S1210WDSTZ support?
The component supports a 16-bit parallel port and a 4-wire serial interface (SPI). - Does the AD2S1210WDSTZ have fault detection capabilities?
Yes, it has system fault detection with programmable threshold levels. - Is the AD2S1210WDSTZ certified for automotive safety applications?
Yes, it is AEC-Q100 qualified and has an ASIL B safety assessment certificate available. - What is the temperature range of the AD2S1210WDSTZ?
The temperature range is −40°C to +125°C (C, D, and W grades). - Can the AD2S1210WDSTZ emulate incremental encoders?
Yes, it can emulate incremental encoders in standard A-quad-B format. - What is the supply voltage for the AD2S1210WDSTZ?
The supply voltage is 5 V with a 2.3 V to 5.25 V logic interface. - What are some common applications of the AD2S1210WDSTZ?
Common applications include DC and AC servo motor control, electric power steering, electric vehicles, and automotive motion sensing and control.
