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Silicon Labs’ Si1120, Si1102, C8051F7xx and C8051F8xx product families are part of the QuickSense™ human interface portfolio. Silicon Labs is uniquely positioned to be able to offer all of these human interface technologies. Capitalizing on our leadership in high-performance, analog-intensive, mixed-signal ICs, the QuickSense family of products offers industry-leading capacitive and infrared sensing devices to meet the demands of advanced user interfaces.

QuickSense Studio: Silicon Labs’ new sensing devices are all easily programmable through the QuickSense Studio development software. The QuickSense Studio Configuration Wizard simplifies the integration of human interface technologies in end products, allowing engineers to set up capacitive buttons, sliders and wheels by using an intuitive software GUI that generates all the C code required for the selected functions.

The studio enables the configuration of infrared proximity and ambient light sensors through a comprehensive library of application programming interfaces (APIs). The QuickSense Studio also provides a real-time monitoring and adjustment tool enabling developers to thoroughly test and optimize user interfaces.

DRaMaTIC POwER REDUCTIOn EnabLES nEw USE CaSES： Optimized for power efficiency, the Si1102 proximity and Si1120 proximity/ambient light sensors enable touchless human interface sensing with superior detection range. These sensors are ideal for applications that can benefit from system power savings, tamper detection/proofing, motion sensing and gesture interpretation.

Si1120 FEATURES :

• Up to 50 cm proximity range with a

single pulse

• Configurable ALS and PS measurement

modes for range optimization

• High EMI immunity without shielded

packaging

• ALS works in direct sunlight (100 klux)

• Minimum reflectance sensitivity <1 μW/cm2

• Power supply: 2.2–3.7 V

• Operating temperature range: –40 to +85 °C

• Low power typical 10 μA current consumption

• Programmable 400/50 mA LED constant

current driver output

• Supports independent LED supply voltage

• Small outline 3 x 3 mm (OD FN) package

COMMOn aPPLICaTIOnS: • Proximity detectioN • motioN detectioN • occuPaNcy/user seNsiNg For PoWer saViNgs • INTRUSION/ tamPer detectioN • Photo-iNterruPter • touchless sWitches • touchless sliders

Proximity and ambient Light Sensor： The QuickSense Si1102 sensor enables an electronic device to quickly gauge its proximity to the user. For example, it can detect if a handset is near a user’s face and adjust the display and lighting accordingly. The Si1120 infrared proximity (PS) and ambient light sensor (ALS) can also detect ambient light in the external environment, allowing screen backlighting to be dimmed to save power. When paired with the F700 and F800 touch sense microcontrollers (MCUs), the QuickSense solution enables smart motion sensing, giving designers a complete array of human interface technologies for their applications to improve the end-user experience.

Touchless Slider ：The Si1120 device enables an innovative, patent-pending touchless proximity slider for gesturing that allows end users to navigate with simple gestures instead of physical touch. The superior sensitivity offers robust performance under a wide range of lighting conditions and enables the use of low-cost or low-profile LED s, often resulting in a significant cost savings.

芯科实验室（Silicon Labs）
美国芯科实验室(NASDAQ: SLAB)总部位于美国德克萨斯州的奥斯汀，成立于1996年，拥有全球化的运营、销售和研发团队；是一家业界领先的高性能混合信号IC供应商，为业界提供易用的高度集成化产品方案，所有产品基于CMOS工艺。自成立以来，芯科实验室始终坚持不断创新和稳健执行的准则，并藉由其商业基础和销售成绩获而保持持续增长。