Overview
The AD2S1210WDSTZRL7 is a high-performance resolver-to-digital converter manufactured by Analog Devices Inc. This component integrates an on-board programmable sinusoidal oscillator, providing 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 AD2S1210 is particularly suited for applications requiring precise position and velocity measurements, such as in automotive and industrial control systems.
Key Specifications
| Parameter | Specification |
|---|---|
| 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 |
| Maximum Tracking Rate | 3125 rps (at 10-bit resolution and CLKIN = 10.24 MHz) |
| 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) |
| Interface | 16-bit parallel port or 4-wire serial interface (SPI) |
| Fault Detection | Programmable fault detection thresholds for resolver signals, out-of-range inputs, signal mismatch, and position tracking loss |
| Encoder Emulation | Incremental encoder emulation in standard A-quad-B format with direction output |
| Velocity Output | 10-bit to 16-bit signed digital velocity |
| 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: Programmable fault detection thresholds for various fault conditions.
- 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 parallel or serial interfaces.
- Incremental Encoder Emulation: Standard A-quad-B format with direction output available.
- Digital Velocity Output: 10-bit to 16-bit signed digital velocity output.
Applications
- DC and AC Servo Motor Control: Precise position and velocity control for servo motors.
- Encoder Emulation: Replacement for traditional encoders in various applications.
- Electric Power Steering: Used in automotive power steering systems for precise angle and velocity measurements.
- Electric Vehicles: Integrated into systems requiring high accuracy in position and velocity sensing.
- Automotive Motion Sensing and Control: Suitable for various automotive applications requiring robust and accurate position and velocity data.
Q & A
- What is the resolution range of the AD2S1210WDSTZRL7? The resolution range is 10-bit to 16-bit.
- What is the input signal range for the sine and cosine inputs? The input signal range is 3.15 V p-p ± 27%.
- What is the maximum tracking rate of the AD2S1210WDSTZRL7? The maximum tracking rate is 3125 rps at 10-bit resolution and CLKIN = 10.24 MHz.
- What are the supported interface types? The component supports both 16-bit parallel port and 4-wire serial interface (SPI).
- Does the AD2S1210WDSTZRL7 have fault detection capabilities? Yes, it has programmable fault detection thresholds for various fault conditions.
- Is the AD2S1210WDSTZRL7 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 for the AD2S1210WDSTZRL7? The temperature range is −40°C to +125°C (C, D, and W grades).
- Can the AD2S1210WDSTZRL7 emulate an incremental encoder? Yes, it supports incremental encoder emulation in standard A-quad-B format with direction output.
- What is the format of the digital velocity output? The digital velocity output is 10-bit to 16-bit signed digital velocity.
- Where can I obtain the safety manual and ASIL B safety assessment certificate for the AD2S1210WDSTZRL7? You can contact your local Analog Devices, Inc., sales office to obtain these documents.
