SX9211
Semtech SX9211 is part of the PerSe Control product line which optimizes user experience in wearable applications. It offers 1-channel sensor to support features such as in-ear/on-wrist control. With ultra-low power consumption and compact footprint, it is an ideal choice for applications such as earbuds, smartwatches or fitness trackers.
Features
- 1-channel capacitive sensor input
- 2.7-3.6V input supply voltage
- Automatic calibration
- Ultra-low power consumption
- 400kHz I2C serial interface
- Operating temperature (-40 °C to +85 °C)
- Compact footprint
- Pb & halogen-free
- RoHS/WEEE-compliant
- Wearables
- Hearables
Applications
Packaging
- DFN
Order Codes
- SX9211IULTRT
Pb(Lead)-Free/RoHS-Green Info
Datasheets & Documentation
Explore a wealth of downloadable resources and datasheets to assist with prototyping and production.
Login or register for mySemtech to gain access to restricted product documentation and to add documents to your Watch List for update alerts
Distributor/Catalog Supplier Inventory
View product availability from participating distributors below. Browse all distributers here.
| Part # | Country | Qty | Buy | Distributor |
|---|
Resources
.jpg--80.jpg)
.png--80.jpg)
To see more videos Videos
Buying the perfect holiday gift for friends or family is challenging enough but trying to buy the perfect tech gift can be even more difficult. Between sifting through the flood of new products and then ensuring the gift arrives on time, figuring out the exact gift is a moving target. Plus, how do you know if the wireless headphones or smartwatch you’re buying will really perform as promised?
The Perfect Holiday Wearables and Hearables
READ NOW
Laptop and tablet users want the same lightning-fast connections and long battery life as smartphone users. Whether they are on a video conference for work or playing a AAA game for fun, they expect nonstop performance — and their already-high expectations are only increasing with the emergence of new technologies and wireless protocols like 5G and Wi-Fi 6/6E.
Solving SAR Compliance Concerns on Mobile PCs
READ NOW
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…
READ NOW
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…
READ NOW
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…
READ NOW
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.
Cellphone Safety – A Look at SAR Sensors
READ NOW