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Updated at 01/11/2025 10:30:15(UTC+8)
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Description
- Description:
- The linear Hall IC TLE4998P has been designed specifically to meet the requirements of highly accurate rotation and position detection, as well as for current measurement applications. The sensor provides a digital PWM signal, which is ideally suited for direct decoding by any unit measuring a duty cycle of a rectangular signal (usually a timer/capture unit in a microcontroller). Furthermore, it is possible to attach an external lowpass filter, which allows an A/D conversion using the sensor supply voltage as a reference. The output stage is an open-drain driver pulling the output pad to low only. Therefore, the high level must be obtained by an external pull-up resistor. This output type has the advantage that the receiver may use even a lower supply voltage (e.g. 3.3 V). In this case, the pull-up resistor must be connected to the given receiver supply.The IC is produced in BiCMOS technology with high voltage capability, also providing reverse polarity protection. Digital signal processing, using a 16-bit DSP architecture together with digital temperature compensation, guarantees excellent long-time stability as compared to analog compensation methods. While the overall resolution is 16 bits, some internal stages work with resolutions up to 20 bits. The PWM output frequency can be selected within the range of 122 Hz up to 1953 Hz.
- Summary of Features:
- SPC (Short PWM Code) protocol with enhanced interface features based on SENT (Single Edge Nibble Transmission,defined by SAE J2716)
- 20-bit Digital Signal Processing (DSP)
- Digital temperature compensation
- 16-bit overall resolution
- Operates within automotive temperature range
- Low drift of output signal over temperature and lifetime
- Programmable parameters stored in EEPROM with single-bit error correction: SPC protocol modes: synchronous transmission, dynamic range selection, ID selection mode,SPC unit time,Magnetic range and sensitivity (gain), polarity of the output slope,Offset,Bandwidth,Clamping levels,Customer temperature compensation coefficients,Memory lock Re-programmable until memory lock
- Supply voltage 4.5 - 5.5 V (4.1 - 16 V in extended range)
- Operation between -200 mT and +200 mT within three ranges
- Reverse-polarity and overvoltage protection for all pins
- Output short-circuit protection
- On-board diagnostics (overvoltage, EEPROM error, start up)
- Output of internal magnetic field values and temperature
- Programming and operation of multiple sensors with common power supply
- Two-point calibration of magnetic transfer function without iteration steps
- High immunity against mechanical stress, EMC, ESD
TLE4998P3 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Number of Pins | 3 Pin |
| Case/Package | PG-SSO-3 |
| Output Current | 5 mA |
| Supply Current | 8 mA |
| Output Current (Max) | 5 mA |
| Supply Voltage | 4.5V ~ 5.5V |
| Show | |
| Operating Temperature | -40℃ ~ 150℃ |
| Product Lifecycle Status | Active |
| Packaging | Tape & Box (TB) |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| ECCN Code | EAR99 |
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