TSOP4338

Series:	--
Packaging:	Bulk
Part Status:	Active
Sensing Distance:	45m
B.P.F. Center Frequency:	38.0kHz
Voltage - Supply:	2.5V ~ 5.5V
Current - Supply:	700µA
Orientation:	Side View
Mounting Type:	Through Hole
Operating Temperature:	-25°C ~ 85°C (TA)

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Introduction

The TSOP4338 is an infrared photo detector, commonly referred to as a remote receiver, manufactured by Vishay Intertechnology. It is primarily used in applications where an infrared signal needs to be received and the signal needs to be read or interpreted. Examples of applications include remote control for consumer electronics, infrared toys, and other similar devices. This article will explain the application field of the TSOP4338, as well as its underlying working principle.

Application Field

The TSOP4338 is typically used in applications that require the reception and interpretation of an infrared signal, such as remote control systems. It can be used to switch or adjust the settings or functions of televisions, DVD players, computers, and other electronic gadgets. It is also used in infrared toys, such as remote controlled cars, and in navigation systems. The TSOP4338 is often employed in medical systems, where it is used to control robots or automated devices. The TSOP4338 is also used in automotive systems where it is employed for obstacle detection or warning systems.

Working Principle

The working principle of the TSOP4338 is based on passive infrared (PIR) sensing technology. The device contains an active infrared source, a lens, a PIR sensitive element and an amplifier. The active infrared source emits an infrared beam, which is directed at the PIR sensitive element. When an obstruction is encountered, a portion of the infrared beam is reflected back into the lens. The lens focuses this reflected beam onto the PIR sensitive element. The PIR sensitive element then converts this reflected beam into an electrical impulse, which is then amplified by the amplifier and sent to a controller for processing.

Conclusion

The TSOP4338 is a remote infrared receiver manufactured by Vishay Intertechnology. It is primarily employed in applications where the reception and interpretation of an infrared signal is required, such as in remote control systems and medical robot/automated device controllers. This article has explained the application field of the TSOP4338, as well as its underlying working principle of passive infrared sensing.

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