Overview
The AD2S1205YSTZ is a 12-bit resolution tracking resolver-to-digital converter (RDC) manufactured by Analog Devices Inc. This component is designed to convert the analog signals from a resolver into digital data, providing precise angular position and velocity information. It features a complete monolithic design with an on-board programmable sinusoidal oscillator, making it suitable for various applications requiring high accuracy and reliability.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12-bit |
| Input Signal Range | 3.15 V p-p ± 27% |
| Accuracy | ±11 arc minutes |
| Maximum Tracking Rate | 1250 rps |
| Operating Temperature | −40°C to +125°C |
| Package Type | 44-Lead Low Profile Quad Flat Package (LQFP) |
| Supply Voltage | 5.00 V ± 5% |
| ESD Protection | 4 kV |
| Data Interface | Parallel and 3-wire serial |
| Excitation Frequency | Programmable: 10 kHz, 12 kHz, 15 kHz, or 20 kHz |
Key Features
- Complete monolithic resolver-to-digital converter (RDC)
- On-board programmable sinusoidal oscillator
- Parallel and serial 12-bit data ports
- System fault detection for loss of resolver signals, out-of-range input signals, input signal mismatch, or loss of position tracking
- Absolute position and velocity outputs
- Incremental encoder emulation in standard A-quad-B format with direction output
- Single-supply operation
- Qualified for automotive applications
Applications
- Automotive motion sensing and control
- Hybrid-electric vehicles
- Electric power steering
- Integrated starter generator/alternator
- Industrial motor control
- Process control
Q & A
- What is the resolution of the AD2S1205YSTZ?
The AD2S1205YSTZ has a 12-bit resolution. - What is the input signal range for the AD2S1205YSTZ?
The input signal range is 3.15 V p-p ± 27%. - What is the maximum tracking rate of the AD2S1205YSTZ?
The maximum tracking rate is 1250 rps. - What is the operating temperature range of the AD2S1205YSTZ?
The operating temperature range is −40°C to +125°C. - What type of package does the AD2S1205YSTZ come in?
The AD2S1205YSTZ comes in a 44-Lead Low Profile Quad Flat Package (LQFP). - What is the supply voltage for the AD2S1205YSTZ?
The supply voltage is 5.00 V ± 5%. - Does the AD2S1205YSTZ have ESD protection?
Yes, it has 4 kV ESD protection. - What types of data interfaces does the AD2S1205YSTZ support?
The AD2S1205YSTZ supports both parallel and 3-wire serial data interfaces. - Can the excitation frequency of the AD2S1205YSTZ be programmed?
Yes, the excitation frequency can be programmed to 10 kHz, 12 kHz, 15 kHz, or 20 kHz. - What are some common applications of the AD2S1205YSTZ?
Common applications include automotive motion sensing and control, hybrid-electric vehicles, electric power steering, and industrial motor control.
