TCA355GHLLA1

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Proximity Only
Proximity Detection:	Yes
Number of Inputs:	1
LED Driver Channels:	--
Interface:	--
Resolution:	--
Voltage - Supply:	5 V ~ 30 V
Current - Supply:	600µA
Operating Temperature:	-25°C ~ 85°C
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	PG-DSO-8-1

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Introduction to TCA355GHLLA1

TCA355GHLLA1 is an innovative integrated solution for low voltage capacitive touch sensing applications which can be used in a wide range of settings. This device is a 2-channel, 2-wire capacitive slider with an on-chip Hall-effect sensor to detect both the position and direction of movement of the finger or object used.

Application field

The TCA355GHLLA1 is ideal for applications with limited space in which capacitive touch sensing is required, including medical devices. It is often found in applications that require precise control of motion, such as level control systems, scroll wheels and joystick controls. The TCA355GHLLA1 is also an ideal solution for automotive and consumer applications, such as automotive audio and navigation systems, remote-controls and LED dimming. Its small size, low power consumption and sensitivity to rapid start-up make the TCA355GHLLA1 an ideal choice for these applications.

Working Principle

The TCA355GHLLA1 uses a unique integrated solution that consists of a Hall-effect sensor and two resistive elements connected in series. When an object or finger is placed near the capacitive slider, the capacitance of the sensing area changes. This change in capacitance results in a change in voltage across the two resistive elements, which is detected by the Hall-effect sensor. The integrated solution measures both the position and direction of movement of the finger.The Hall-effect sensor allows for precise detection of the finger or object\'s position and direction of movement. It also allows the device to quickly start-up, which is important for applications that require rapid response time. The on-chip Hall-effect sensor also offers additional protection for the device, reducing the effects of interference and ensuring reliable operation

Conclusion

In conclusion, the TCA355GHLLA1 is a versatile and reliable solution for applications that require capacitive touch sensing. Its integrated solution of a Hall-effect sensor and two resistive elements enables it to detect both the position and direction of movement of a finger or object with great accuracy. The device\'s small size, low power consumption, rapid start-up and robust protection make it ideal for a wide range of applications, such as medical devices, automotive and consumer electronics, level control systems, scroll wheels and joystick controls.

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