Overview
The ADW71205YSTZ, produced by Analog Devices Inc., is a high-performance resolver-to-digital converter (RDC) designed for precise data acquisition in various applications. This component is part of the AD2S1205 series and is optimized for automotive and industrial environments. It features a 12-bit resolution and a Type II tracking loop, providing continuous output position data without conversion delay. The device is known for its robust performance across a wide temperature range and its compliance with automotive industry standards.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Package | 44-LQFP (10x10) |
| Supply Voltage | 4.75 V to 5.25 V |
| Input Signal Range | 3.15 V p-p ± 27% (Sin and Cos inputs) |
| Tracking Rate | Up to 1250 rps |
| Excitation Frequency | Programmable: 10 kHz, 12 kHz, 15 kHz, or 20 kHz |
| Interface | 12-bit parallel port or 3-wire serial interface |
| Operating Temperature | Wide operating temperature range |
| RoHS Status | ROHS3 Compliant |
Key Features
- High Resolution: 12-bit resolution for accurate data acquisition.
- Dual Channels: Simultaneous sampling capability.
- Type II Tracking Loop: Continuous output position data without conversion delay, providing noise immunity and tolerance of harmonic distortion.
- Programmable Excitation Frequency: Easily programmable to 10 kHz, 12 kHz, 15 kHz, or 20 kHz.
- Triple Format Position Data: Absolute 12-bit angular position data accessible via either a 12-bit parallel port or a 3-wire serial interface.
- Digital Velocity Output: 12-bit signed digital velocity output.
- System Fault Detection: Detects loss of resolver signals, out-of-range input signals, input signal mismatch, or loss of position tracking.
Applications
- Automotive Electronics: Suitable for automotive-grade applications due to its compliance with automotive industry standards.
- Industrial Data Acquisition Systems: Ideal for high-precision data acquisition in industrial settings.
- Precision Measurement Devices: Used in devices requiring precise angular position and velocity measurements.
Q & A
- What is the resolution of the ADW71205YSTZ?
The ADW71205YSTZ has a 12-bit resolution. - What type of tracking loop does the ADW71205YSTZ use?
The ADW71205YSTZ uses a Type II tracking loop. - What is the input signal range for the Sin and Cos inputs?
The input signal range for the Sin and Cos inputs is 3.15 V p-p ± 27%. - What are the programmable excitation frequencies for the ADW71205YSTZ?
The excitation frequency can be programmed to 10 kHz, 12 kHz, 15 kHz, or 20 kHz. - What interfaces are available for data output?
Data can be accessed via either a 12-bit parallel port or a 3-wire serial interface. - Is the ADW71205YSTZ suitable for high-temperature environments?
Yes, the ADW71205YSTZ is suitable for high-temperature environments. - Does the ADW71205YSTZ comply with automotive industry standards?
Yes, it complies with automotive industry standards. - What is the maximum tracking rate of the ADW71205YSTZ?
The maximum tracking rate is up to 1250 rps. - Does the ADW71205YSTZ have fault detection capabilities?
Yes, it includes system fault detection for various conditions such as loss of resolver signals or input signal mismatch. - What is the package type of the ADW71205YSTZ?
The package type is 44-LQFP (10x10).
