Si721x Hall Effect Magnetic Sensor
The Si721x Linear output magnetic sensors bring class leading linearity and noise
performance, while maintaining pin compatibility with many existing sensors.
This allows you to reduce the size of your magnetics and improve performance
with your existing design.
AN1018: Using the Si72xx Hall Effect Sensors
Electrical, mechanical, and magnetic considerations surrounding the use of Si72xx devices.
Features
- Ultra low power: 100nA sleep power for parts with disable feature
- Analog, PWM, and SENT outputs available
- High Linearity: 0.15%
- Low noise: < 30 µT RMS
- 1.71 V - 5.5 V and 3.3 V - 26.5 V supply range
- Available in 0 to 70 °C and -40 to125 °C variants
- AECQ-100 automotive qualified
- Available in industry standard SOT23 packages
Si721x Product Matrix
Devices
| Part Number | Data Sheet | Dev Kit | Description | Output Type | Output Configuration | idd (typ) (µA) | Full Scale Field Strength (mT) | Sample Rate (Hz) | Temp Compensation | Averaging | Temperature Range (°C) | BIST | Disable Pin | Package Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Si72XX-WD-KIT | Linear Magnetic Sensor | Analog | Increasing Voltage | 6650 | 20 | 7000 | No | 16 | -40 125 | No | No | SOT23-3 | |
|
|
Si72XX-WD-KIT | Linear Magnetic Sensor | 250Hz PWM | Increasing Pulsewidth | 560 | 20 | 300 | No | 16 | -40 125 | Yes | No | SOT23-3 | |
|
|
Si72XX-WD-KIT | Linear Magnetic Sensor | SENT (Open Drain) | Increasing | 740 | 20 | 880 | No | 16 | -40 125 | No | No | SOT23-3 | |
|
|
Si72XX-WD-KIT | Linear Magnetic Sensor | 100Hz PWM | Increasing Pulsewidth | 465 | 20 | 150 | No | 16 | -40 125 | Yes | No | SOT23-3 | |
|
|
Si72XX-WD-KIT | Linear Magnetic Sensor | SENT (Open Drain) | Increasing | 910 | 20 | 880 | No | 16 | -40 125 | Yes | Yes | SOT23-3 | |
|
|
Si72XX-WD-KIT | Linear Magnetic Sensor | Analog | Increasing Voltage | 1700 | 20 | 1000 | No | 16 | -40 125 | No | No | SOT23-3 | |
|
|
Si72XX-WD-KIT | Analog | Increasing Voltage | 6650 | 20 | 7000 | No | 16 | -40 125 | No | No | SOT23-5 |
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