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SX9331
The PerSe Connect SX9331 features a unique smart engine, capable of accurately distinguishing between inanimate objects and the human body, which enhances Specific Absorption Rate (SAR) applications. The resulting detection is used in portable electronic devices to reduce and control radio-frequency (RF) emission power in the presence of a human body, enabling significant performance advantages for manufacturers of electronic devices with electromagnetic radiation sources to meet stringent emission regulations criteria and SAR standards. Operating directly from an input supply voltage of 2.7-3.6V, the SX9331 outputs its data via I2C serial bus. The I2C serial communication bus port is compatible with 1.8V host control to report body detection/proximity and to facilitate parameter settings adjustment. Upon proximity detection, the NIRQ output asserts, enabling the user to either determine the relative proximity distance or simply obtain an indication of detection. The SX9331 includes an on-chip auto-calibration controller that regularly performs sensitivity adjustments to maintain peak performance over a wide variation of temperature, humidity and noise environments, providing simplified product development and enhanced performance.
Features
- 2.7-3.6V input supply voltage
- Up to 5 high performance capacitive sensor inputs
- Automatic calibration
- Ultra-low power consumption
- Programmable interrupt or real-time status pin
- I2C serial interface
- Compact size package
- -40°C to +85°C operation
- Mobile phones
- Tablet
- 産業
- Notebooks
- ウェアラブル
アプリケーション
Packaging
- DFN 2.10 x 1.8 10-Lead
Order Codes
- SX9331IULTRT1
Pb(Lead)-Free/RoHS-Green Info
(-40°C to +85°C / 4000 cycles)
(50°C, 4000 Hrs)
プロトタイプ作成と制作に役立ち、ダウンロード可能な豊富なリソースとデータシートを活用しましょう。
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関連情報
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More than 80% of the world’s population, or 6.648 billion people, own a smartphone — and all of them emit a low-level of radio frequency (RF) radiation. In particular, 5G phones are designed with high-performance RF devices and contain an increased number of antennas to support the demand for more reliable connectivity and greater bandwidth.
In a Hand or In a Pocket: Keeping Phones…
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This article was originally published on engineering.com
Semtech was founded in 1960 and has more than sixty years of semiconductor experience, with a focus on “innovation, size, efficiency, performance, and reach.” On October 27, 2021 the company launched its new PerSe® line of sensors. PerSe sensors, their name derived from the idea of Person Sensing, are designed for the consumer electronics market.
Semtech Announces PerSe: Person Sensor Product…
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We are pleased to introduce our newest line of sensors, PerSe®, for the personal connected consumer market. Derived from the term, Person Sensing, the PerSe product line of sensors features three core product families – PerSe Connect, PerSe Connect Pro and PerSe Control. The sensors intelligently sense human presence near a mobile device and enable advanced Radio Frequency (RF) control when a user is in close proximity - delivering high quality connectivity and throughput, in smartphones, laptops and wearables while providing compliance with global safety standards
PerSe Sensors Improve Mobile Connectivity for…
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An independent investigation recently conducted by The Chicago Tribune revealed that some of the most popular cellphones might come with radio frequency (RF) radiation levels well above the legal safety limit. This finding has drawn public attention to cellphone RF safety and also prompted a follow up investigation by the Federal Communications Commission (FCC) in the United States.
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