Allicdata Part #: | 497-10380-2-ND |
Manufacturer Part#: |
STMPE24M31QTR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | STMicroelectronics |
Short Description: | IC SENSOR S-TOUCH 24CH 40QFN |
More Detail: | Capacitive Touch Buttons 40-QFN (5x5) |
DataSheet: | STMPE24M31QTR Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | S-Touch™ |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Type: | Buttons |
Proximity Detection: | No |
Number of Inputs: | Up to 24 |
LED Driver Channels: | Up to 24 |
Interface: | I²C |
Resolution: | 9 b |
Voltage - Supply: | 2.7 V ~ 5.5 V |
Current - Supply: | 400µA |
Operating Temperature: | -40°C ~ 85°C |
Package / Case: | 40-VFQFN Exposed Pad |
Supplier Device Package: | 40-QFN (5x5) |
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Capacitive sensors are commonly used as a sensing device due to their high sensitivity and accuracy. The STMPE24M31QTR is a type of capacitive touch sensor IC, which is used to detect the proximity of an object including with human fingers. It can be mounted directly onto a human interface device (HID) or be deployed as a standalone sensing device. It is suitable for use in home automation, vehicle control, door activation, etc.
The STMPE24M31QTR is equipped with a GMR ion-sensitive field-effect transistor (ISFET) as its sensing element. The GMR ISFET works by detecting changes in pH levels near the sensor’s surface. The pH level changes can be caused by the presence of an object such as a human finger. When an object comes in contact with the surface of the STMPE24M31QTR, the pH level near the sensing element changes. This change in pH level triggers a charge in the GMR ISFET, which is then amplified and interpreted by the IC’s circuitry.
The STMPE24M31QTR incorporates several features that improve the accuracy and reliability of the capacitive sensing. For one, it is designed with a self-calibration function that can detect any changes in the environment and adjust the sensitivity of the sensor accordingly. It is also equipped with a temperature compensation feature that helps it maintain accuracy even in varying temperatures. Moreover, the STMPE24M31QTR is designed with a low power consumption design, making it an ideal choice for battery-powered applications.
In addition to its use in HID applications, the STMPE24M31QTR can also be used in standalone sensing, control and other applications. For instance, it can be used to detect and record the presence of an object such as a human finger, as well as perform various operations such as opening and closing of a door, activating a motor, locking of a vehicle, etc. All in all, the STMPE24M31QTR is a versatile and reliable capacitive touch sensor IC that can be employed in a wide variety of applications.
The specific data is subject to PDF, and the above content is for reference
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