SC4391: High-Speed Configurable Digital Output Linear Hall Sensor with Wake-up Function
Product Overview
The SC4391 is a high-speed linear Hall sensor IC featuring configurable digital output and a wake-up function. It integrates a magnetic sensing element and a high-precision ADC sampling module to accurately convert external magnetic field variations into digital signals. With configurable registers, users can adjust sensitivity and static output voltage to meet diverse application requirements. The chip supports multiple operating modes, including a low-power mode with a wake-up feature, catering to different speed and power consumption needs. It communicates via an 8MHz SPI interface and supports daisy-chain connections for multi-point detection. Available in SOT23-6L and DFN2*2-8L packages, the SC4391 is designed for analog magnetic keyboards, touch switches, magnetic silent switches, and joystick applications.
Product Attributes
- Brand: (Semiment)
- Origin: Shanghai, China
- Packaging: 100% lead-free and halogen-free green packaging
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | SC4391 |
| Key Features |
|
| Operating Voltage Range | 3.0V - 5.5V |
| Package Types | SOT23-6L & DFN2*2-8L |
| Typical Applications |
|
| SPI Communication | 8MHz, 4-wire slave SPI interface, supports full-duplex data transmission. Data output on rising edge, data sampling on falling edge. |
| Sensitivity Range (Typical @ 3.3V) | 2.4mV/Gs - 8.6mV/Gs |
| Operating Temperature Range | -40C to 85C |
| Storage Temperature Range | -65C to 175C |
| ESD Protection (HBM) | 4 KV |
| Average Operating Current (Typical @ 4kHz scan) | 0.8 mA |
| Low-Power Mode Current (Typical @ 50ms interval) | 2 A |
| ADC Clock Frequency | 8MHz / 16MHz (configurable) |
| Ordering Information |
|
| Pin Definitions (DFN2*2-8L) | FILTER, VSSD, SCK, SDI, CSN/SOX, SDO, SCKBUF, VCC, VSSA |
| Pin Definitions (SOT23-6L) | SDO, VCC, SDI, CSN/SOX, VSS, SCK |
2509291710_Semiment-SC4391S6-TR_C52021063.pdf
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