SI1142-A11-GMR
Capture subtle changes in lighting conditions and proximity with this advanced sensor technology
Quantity | Unit Price(USD) | Ext. Price |
---|---|---|
1 | $4.011 | $4.01 |
200 | $1.552 | $310.40 |
500 | $1.498 | $749.00 |
1000 | $1.471 | $1,471.00 |
Inventory:7,171
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
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Part Number : SI1142-A11-GMR
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Package/Case : QFN-10
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Manufacturer : Silicon Labs
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Components Classification : Ambient Light, IR, UV Sensors
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Datesheet : SI1142-A11-GMR DataSheet (PDF)
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Series : SI1142
Overview of SI1142-A11-GMR
The SI1142-A11-GMR is a Proximity Sensors optimized for high-performance and low-power operations. It provides excellent performance for analog and digital signal switching.
Pinout
The SI1142-A11-GMR pinout refers to the configuration and function of each pin in its QFN-10 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the SI1142-A11-GMR has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- I2C Proximity/Ambient Light Sensor with 2 LED Drivers: The SI1142-A11-GMR is a highly integrated sensor that combines proximity sensing, ambient light sensing, and two LED drivers in a single package.
Applications
- Sensing Applications: The SI1142-A11-GMR can be used in various sensing applications such as gesture recognition, presence detection, and object tracking.
Equivalents
For similar functionalities, consider these alternatives to the SI1142-A11-GMR:
- Other Proximity Sensors with Ambient Light Sensing: Other proximity sensors with ambient light sensing capabilities can be used as alternatives to the SI1142-A11-GMR.
Frequently Asked Questions
Q: What is the operating voltage of the SI1142-A11-GMR?
A: The operating voltage of the SI1142-A11-GMR is 1.8V to 5.5V.
Q: How many LED drivers are available on the SI1142-A11-GMR?
A: There are two LED drivers available on the SI1142-A11-GMR.
Q: What is the package type of the SI1142-A11-GMR?
A: The package type of the SI1142-A11-GMR is QFN-10.
Q: Is the SI1142-A11-GMR a digital-only device?
A: No, the SI1142-A11-GMR is an analog and digital mixed-signal device.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Status | Not For New Designs | Type | Ambient |
Proximity Detection | Yes | Output Type | I²C |
Voltage - Supply | 1.71V ~ 3.6V | Operating Temperature | -40°C ~ 85°C |
Mounting Type | Surface Mount | Package / Case | QFN-10 |
Supplier Device Package | 10-QFN (2x2) | Base Product Number | SI1142 |
Manufacturer | Silicon Laboratories | Product Category | Proximity Sensors |
RoHS | Details | Sensing Method | Optical |
Sensing Distance | 10 mm to 2000 mm | Mounting Style | SMD/SMT |
Output Configuration | Digital, Open Drain | Brand | Silicon Labs |
Description/Function | Ambient 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 | Product Type | Proximity Sensors |
Series | Si1142 | Factory Pack Quantity | 2500 |
Subcategory | Sensors | Supply Voltage - Max | 3.6 V |
Supply Voltage - Min | 1.71 V | Width | 2 mm |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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SI1142-A11-GMR
Capture subtle changes in lighting conditions and proximity with this advanced sensor technology
Inventory:
7,171
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




