SI1145-A10-GMR

Proximity Sensor with UV Index Detection
3,585 Effective Inventory

SI1145-A10-GMR

Effective Inventory3,585

Proximity Sensor with UV Index Detection

  • Manufacturer Part # : SI1145-A10-GMR

  • Package/Case: QFN-10

  • Brand: Silicon Labs

  • Product Categories : Ambient Light, IR, UV Sensors

Quality Assurance

Quality Assurance

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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About packaging

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SI1145-A10-GMR DataSheet
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Rapid Quote

Please submit RFQ for SI1145-A10-GMR or email to us: Email: [email protected], we will contact you in 12 hours.

Details

The Si1141/42/43 is a low-power, reflectance-based, infrared proximity and ambient light sensor with I2C digital interface and programmable-event interrupt output. This touchless sensor IC includes an analog-to-digital converter, integrated high-sensitivity visible and infrared photodiodes, digital signal processor, and one, two, or three integrated infrared LED drivers with fifteen selectable drive levels. The Si1141/ 42/43 offers excellent performance under a wide dynamic range and a variety of light sources including direct sunlight. The Si1141/42/43 can also work under dark glass covers. The photodiode response and associated digital conversion circuitry provide excellent immunity to artificial light flicker noise and natural light flutter noise. With two or more LEDs, the Si1142/43 is capable of supporting multiple-axis proximity motion detection. The Si1141/42/43 devices are provided in a 10-lead 2x2 mm QFN package and are capable of operation from 1.8 to 3.6 V over the –40 to +85 °C temperature range.Features■ QuickSense™ integrated infrared proximity detector •Proximity detection adjustable from under 1 cm to over 1 m •Three independent LED drivers •15 current settings from 5.6 mA to 360 mA for each LED driver •25.6 µs LED driver pulse width •500 mm proximity range with single pulse (<2.5 klx) •150 mm proximity range with single pulse (>2.5 klx) •Operates at up to 128 klx (direct sunlight) •Minimum reflectance sensitivity <1 µW/cm2 •High EMI immunity without shielded packaging■ QuickSense™ integrated ambient light sensor •10 mlx resolution possible, allowing operation under dark glass •1 to 128 klx dynamic range possible across two ADC range settings •17-bit resolution •Accurate lux measurements possible with IR correction algorithm •25.6 µs measurement cycle keeps total power consumption duty cycle low without compromising performance or noise immunity■ Industrys lowest power consumption •1.8 to 3.6 V supply voltage •9 µA average current (LED pulsed 25.6 µs every 800 ms at 180 mA plus 3 µA Si114x supply) •<500 nA standby current •Internal and external wake support •Built-in voltage supply monitor and power-on reset controller■ Serial communications •Up to 3.4 Mbps data rate •Slave mode hardware address decoding■ Small-outline 10-lead 2x2 mm QFN■ Temperature Range •–40 to +85 °CApplications■ Handsets■ E-book readers■ Notebooks/Netbooks■ Portable consumer electronics■ Audio products■ Security panels■ Tamper detection circuits■ Dispensers■ Valve controls■ Smoke detectors■ Touchless switches■ Touchless sliders■ Occupancy sensors■ Consumer electronics■ Industrial automation■ Display backlighting control■ Photo-interrupters

Key Features

  • QuickSense™ integrated infrared proximity detector
  • Proximity detection adjustable from under 1 cm to over 1 m
  • Three independent LED drivers
  • 15 current settings from 5.6 mA to 360 mA for each LED driver
  • 25.6 µs LED driver pulse width
  • 500 mm proximity range with single pulse (<2.5 klx)
  • 150 mm proximity range with single pulse (>2.5 klx)
  • Operates at up to 128 klx (direct sunlight)
  • Minimum reflectance sensitivity <1 µW/cm2
  • High EMI immunity without shielded packaging
  • QuickSense™ integrated ambient light sensor
  • 10 mlx resolution possible, allowing operation under dark glass
  • 1 to 128 klx dynamic range possible across two ADC range settings
  • 17-bit resolution
  • Accurate lux measurements possible with IR correction algorithm
  • 25.6 µs measurement cycle keeps total power consumption duty cycle low without compromising performance or noise immunity
  • Industrys lowest power consumption
  • 1.8 to 3.6 V supply voltage
  • 9 µA average current (LED pulsed 25.6 µs every 800 ms at 180 mA plus 3 µA Si114x supply)
  • <500 nA standby current
  • Internal and external wake support
  • Built-in voltage supply monitor and power-on reset controller
  • Serial communications
  • Up to 3.4 Mbps data rate
  • Slave mode hardware address decoding
  • Small-outline 10-lead 2x2 mm QFN
  • Temperature Range
  • –40 to +85 °C

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! Proximity Sensors RoHS Details
Sensing Method Optical Sensing Distance ! 10 mm to 500 mm
Mounting Style SMD/SMT Output Configuration Digital, Open Drain
Brand Silicon Labs Description/Function Ambient/UV Light Sensor IC with I2C Interface
Height 0.65 mm Length 2 mm
Maximum Frequency 3.4 MHz Maximum Operating Temperature ! + 85 C
Minimum Operating Temperature - 40 C Moisture Sensitive Yes
Operating Supply Current 4.3 mA Operating Supply Voltage ! 1.71 V to 3.6 V
Package / Case QFN-10 Product Type ! Proximity Sensors
Series Si1145 Factory Pack Quantity 2500
Subcategory Sensors Supply Voltage - Max 3.6 V
Supply Voltage - Min 1.71 V Width 2 mm
Unit Weight 0.008245 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification SI1145-A10-GMR PDF Download

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