Overview
The AD2S80ABD, produced by Analog Devices Inc., is a monolithic resolver-to-digital converter. This device is part of the AD2S80A family and is known for its variable resolution, which can be set to 10, 12, 14, or 16 bits. It is designed to convert resolver signals into digital data, making it highly suitable for applications requiring precise angle and velocity measurements. The AD2S80ABD is packaged in a 44-lead J-leaded PLCC package, enhancing its reliability and reducing the overall package size.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| SIGNAL INPUTS Frequency | 50 | 20,000 | Hz | ||
| SIGNAL INPUTS Voltage Level | 1.8 | 2.0 | 2.2 | V rms | |
| SIGNAL INPUTS Input Bias Current | 60 | 150 | nA | ||
| SIGNAL INPUTS Input Impedance | 1.0 | MΩ | |||
| SIGNAL INPUTS Maximum Voltage | 8 | V pk | |||
| REFERENCE INPUT Frequency | 50 | 20,000 | Hz | ||
| REFERENCE INPUT Voltage Level | 1.0 | 8.0 | V pk | ||
| CONTROL DYNAMICS Repeatability | 1 LSB | ||||
| CONTROL DYNAMICS Allowable Phase Shift (Signals to Reference) | -10 | +10 | Degrees | ||
| CONTROL DYNAMICS Tracking Rate (10 Bits) | 1040 rps |
Key Features
- Monolithic Design: The AD2S80ABD is a one-chip solution, reducing package size and increasing reliability.
- Variable Resolution: The resolution can be set to 10, 12, 14, or 16 bits, providing flexibility in different applications.
- Low Power Consumption: Typical power consumption is 300 mW, making it energy-efficient.
- High Tracking Rate: Supports tracking rates up to 1040 rps for 10-bit resolution.
- Industrial and Military Temperature Range Versions: Available in both industrial and military temperature ranges, making it suitable for a wide range of environments.
- ESD Protection: ESD Class 2 protection with a minimum of 2,000 V.
- Analog Velocity Output: Provides an analog signal proportional to velocity, which can replace a tachogenerator.
Applications
- DC Brushless and AC Motor Control: Ideal for precise motor control applications.
- Process Control: Used in various process control systems requiring accurate angle and velocity measurements.
- Numerical Control of Machine Tools: Suitable for CNC machines and other automated systems.
- Robotics Axis Control: Used in robotic systems for precise axis control.
- Military Servo Control: Available in military temperature range versions, making it suitable for military servo control applications.
Q & A
- What is the AD2S80ABD?
The AD2S80ABD is a monolithic resolver-to-digital converter produced by Analog Devices Inc..
- What are the available resolutions for the AD2S80ABD?
The AD2S80ABD is available with resolutions of 10, 12, 14, or 16 bits.
- What is the typical power consumption of the AD2S80ABD?
The typical power consumption is 300 mW.
- What is the maximum tracking rate for the AD2S80ABD at 10-bit resolution?
The maximum tracking rate at 10-bit resolution is 1040 rps.
- Does the AD2S80ABD have ESD protection?
Yes, it has ESD Class 2 protection with a minimum of 2,000 V.
- What are the temperature range options for the AD2S80ABD?
It is available in both industrial and military temperature ranges.
- Can the AD2S80ABD replace a tachogenerator?
Yes, it provides an analog signal proportional to velocity, which can replace a tachogenerator.
- What are some common applications of the AD2S80ABD?
Common applications include DC brushless and AC motor control, process control, numerical control of machine tools, robotics axis control, and military servo control.
- What type of package does the AD2S80ABD come in?
The AD2S80ABD is packaged in a 44-lead J-leaded PLCC package.
- Is the AD2S80ABD suitable for high-speed applications?
Yes, it supports high tracking rates and operates over a wide frequency range from 50 Hz to 20,000 Hz.
