Overview
The AD2S82AHP is a monolithic tracking resolver-to-digital converter manufactured by Analog Devices Inc. This integrated circuit is designed to convert resolver format input signals into a parallel natural binary digital word, offering high flexibility and reliability in various industrial applications. The AD2S82AHP is housed in a 44-lead J-leaded PLCC package and supports variable resolutions of 10, 12, 14, or 16 bits, making it versatile for different system requirements.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Power Supply Voltage (+Vs to -Vs) | ±10.8 | ±12.0 | ±13.2 | V |
| Power Supply Voltage (VL) | 5 | 5.5 | 13.2 | V |
| Analog Input Voltage (SIN and COS) | 2Vrms ±10% | Vrms | ||
| Analog Input Voltage (REF) | 1 | 8 | V peak | |
| Ambient Operating Temperature Range | -40°C | 85°C | °C | |
| Power Consumption | 300 mW | mW | ||
| ESD Protection | 2,000 V min. | V | ||
| Resolution | 10, 12, 14, 16 bits | bits | ||
| Maximum Tracking Rate (10 bits) | 1040 rps (62,400 rpm) | rps (rpm) |
Key Features
- Monolithic (BiMOS II) Tracking R/D Converter: Reduces package size and increases reliability.
- Ratiometric Conversion: Ensures high noise immunity and tolerance of lead length.
- Low Power Consumption: Typically 300 mW.
- Dynamic Performance Set by User: Allows users to define the converter's performance with external components.
- Velocity Output: Provides an analog signal proportional to velocity, which can replace a tachogenerator.
- ESD Class 2 Protection: Offers protection up to 2,000 V min.
- Variable Resolution: Supports 10-, 12-, 14-, and 16-bit resolutions.
- Industrial Temperature Range: Operates from -40°C to 85°C.
Applications
- DC Brushless and AC Motor Control
- Process Control
- Numerical Control of Machine Tools
- Robotics
- Axis Control
Q & A
- What is the AD2S82AHP used for?
The AD2S82AHP is used as a tracking resolver-to-digital converter, converting resolver format input signals into a parallel natural binary digital word.
- What are the supported resolutions of the AD2S82AHP?
The AD2S82AHP supports variable resolutions of 10, 12, 14, or 16 bits.
- What is the maximum tracking rate of the AD2S82AHP at 10-bit resolution?
The maximum tracking rate is up to 1040 revolutions per second (62,400 rpm) at 10-bit resolution.
- What is the power consumption of the AD2S82AHP?
The typical power consumption is 300 mW.
- What is the operating temperature range of the AD2S82AHP?
The AD2S82AHP operates from -40°C to 85°C.
- What type of protection does the AD2S82AHP offer against electrostatic discharge (ESD)?
The AD2S82AHP offers ESD Class 2 protection up to 2,000 V min.
- What are some of the key applications of the AD2S82AHP?
Key applications include DC brushless and AC motor control, process control, numerical control of machine tools, robotics, and axis control.
- What package type is the AD2S82AHP available in?
The AD2S82AHP is available in a 44-lead J-leaded PLCC package.
- How does the AD2S82AHP handle noise and signal variations?
The AD2S82AHP uses ratiometric conversion, which ensures high noise immunity and tolerance of input amplitude and frequency variations.
- Does the AD2S82AHP provide velocity output?
Yes, the AD2S82AHP provides an analog signal proportional to velocity, which can replace a tachogenerator.
