Product Overview
The KTH7801 is a high-precision, 16-bit absolute angle Hall sensor chip designed for non-contact angle measurements in both on-axis and off-axis configurations. It supports a wide rotational speed range (0-120,000 rpm) and offers multiple output modes including programmable ABZ quadrature pulse output (up to 4096 steps/turn), 4-wire SPI, 2-wire SSI, and 14-bit PWM angle output. The device features built-in magnetic field strength detection with programmable thresholds, MTP memory for storing configuration parameters (zero-angle position, ABZ settings, magnetic field thresholds), and ultra-low latency (1 s data updates). It is AEC-Q100 qualified and operates from 3.0V to 5.5V over a temperature range of -40C to 125C.
Product Attributes
- Brand: KTH (implied by product number)
- Certifications: AEC-Q100 standard qualified
- Package Options: QFN-16L (3mm 3mm), SOP-8 (4.9mm 6mm)
Technical Specifications
| Feature | Specification |
| Resolution | 16-bit absolute angle |
| Accuracy | < 0.35 |
| Rotational Speed | 0 - 120,000 rpm |
| Data Update Latency | 1 s |
| Output Interfaces | SPI, SSI, ABZ (programmable 4-4096 steps/turn), PWM (14-bit) |
| Memory | Built-in programmable memory (MTP) |
| Magnetic Field Monitoring | Strength diagnosis / alarm with programmable high/low thresholds |
| Operating Voltage | 3.0V to 5.5V |
| Operating Temperature | -40C to 125C |
| Package Types | QFN-16L (3mm 3mm), SOP-8 (4.9mm 6mm) |
| Typical Applications | Absolute position sensor, Brushless DC motor, Off-axis angle measurement, Automotive Angle Control, Closed-Loop Stepper Motor, Barrier gates |
2512311639_CONNTEK-KTH7801-X-C-SOP8_C49257200.pdf
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