KTH7814 16-bit High-Precision Low-Latency Hall Angle Encoder
The KTH7814 is a high-precision absolute angle Hall sensor chip offering up to 16-bit resolution for absolute angle output. It enables non-contact magnetic field angle measurement in both axial and off-axis scenarios. Capable of rapid and accurate angle information output across a speed range of 0-120,000rpm, it is suitable for applications requiring precise angle measurement and speed control. The KTH7814 provides flexible angle output modes, including programmable ABZ quadrature pulse output (up to 4096 steps/revolution) and 4-wire SPI output for communication. It features integrated magnetic field strength detection with programmable thresholds for monitoring and alarm functions, and an MTP (Multi-Time Programmable memory) for storing configuration parameters like zero angle position, ABZ settings, and magnetic field detection thresholds.
Product Attributes
- Brand: KTH
- Model: KTH7814
- Technology: Hall Effect Magnetic Encoder
- Output Interface: SPI, ABZ Differential Output
- Resolution: 16-bit Absolute Angle
- Accuracy: INL Error < 0.35
- Latency: 1s
- Operating Voltage: 3.3V or 5V
- Operating Temperature: -40C to 125C
- Package: QFN-16L, SOP-8
- Certifications: Not specified in the provided text.
- Material: Not specified in the provided text.
- Color: Not specified in the provided text.
Technical Specifications
| Parameter | Description | Min | Typ. | Max | Unit |
|---|---|---|---|---|---|
| Resolution | Absolute Angle Output | - | - | 16-bit | - |
| Accuracy (INL) | Integral Non-Linearity Error | - | - | 0.35 | - |
| Latency | Data Update Time | - | 1 | - | s |
| SPI Communication | Mode | - | Mode 3 (CPOL=1, CPHA=1) | - | - |
| ABZ Output Resolution | Steps per Revolution (Programmable) | 4 | - | 4096 | Steps/Rev |
| Operating Voltage | 3.3V Supply | 3.0 | 3.3 | 3.6 | V |
| Operating Current | 3.3V Supply | - | 11.6 | - | mA |
| Operating Voltage | 5V Supply | 4.5 | 5 | 5.5 | V |
| Operating Current | 5V Supply | - | 13.6 | - | mA |
| Startup Time | - | - | 1 | - | ms |
| Output Noise (1 sigma) | - | - | 0.015 | - | |
| Temperature Drift | - | - | 0.002 | - | /C |
| Max Speed | - | - | - | 120000 | rpm|
| ESD (HBM) | - | - | - | 5 | KV |
| Magnetic Field Strength | Operating Range | 30 | 60 | 150 | mT|
| On-Axis Magnet Diameter (Dmag) | - | 10 | 30 | - | mm |
| On-Axis Magnet Thickness (Tmag) | - | 2.5 | 5 | - | mm |
| On-Axis Air Gap (AG) | - | 1.0 | - | 5.0 | mm |
| Off-Axis Magnet Diameter (Dmag) | - | 10 | 30 | - | mm |
| Off-Axis Magnet Thickness (Tmag) | - | 2.5 | 5 | - | mm |
| Off-Axis Air Gap (AG) | - | 0.5 | - | 5 | mm |
| Multi-pole Magnet Pole Pitch (Wmag) | - | 2 | - | 10 | mm |
| Multi-pole Magnet Thickness (Tmag) | - | 2 | - | 5 | mm |
| Multi-pole Air Gap (AG) | - | 0.5 | - | 3 | mm |
2510171705_CONNTEK-KTH7814-X-C-QN16_C52140077.pdf
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