TSOP34838 Allicdata Electronics
Allicdata Part #:

751-1386-5-ND

Manufacturer Part#:

TSOP34838

Price: $ 0.00
Product Category:

Sensors, Transducers

Manufacturer: Vishay Semiconductor Opto Division
Short Description: IC IR RCVR MOD 38KHZ DOME RADIAL
More Detail: Remote Receiver Sensor, 38.0kHz 45m Through Hole
DataSheet: TSOP34838 datasheetTSOP34838 Datasheet/PDF
Quantity: 9031
Stock 9031Can Ship Immediately
Specifications
Series: *
Packaging: Tube 
Part Status: Active
Sensing Distance: 45m
B.P.F. Center Frequency: 38.0kHz
Voltage - Supply: 2.5V ~ 5.5V
Current - Supply: 450µA
Orientation: Side View
Mounting Type: Through Hole
Operating Temperature: -25°C ~ 85°C (TA)
Description

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Optical sensors are a wide and varied category of sensors that are suitable for applications ranging from basic lighting and motion detection to advanced optical guidance systems and imaging systems. These sensors detect illumination or a change in the amount of illumination due to motion, reflection or presence of an object and generate an electrical signal as an output. Photo detectors, which are a subset of optical sensors, allow for the detection of widely varying spectral colors and spectral intensities and therefore are useful in many applications such as alarm systems and color measurement.

The TSOP34838 is an optical receiver designed for short distance, remote control applications and is part of Vishay\'s TSOP348 product family that operate in the 315 and 433 MHz frequency ranges. It is an infrared integrated receiver module that is primarily used to detect modulated infrared light from remote controllers, such as TVs and DVD players. It can also be used in other short distance communications applications, such as data transfer between two microcontrollers.

The TSOP34838 has a narrow acceptance angle and a wide operating supply voltage range, making it ideal for applications requiring a higher sensitivity in a small package. It has an excellent off-state current of less than 1 μA and a wide operating temperature range of -40°C to +85°C, making it suitable for a wide range of applications.

The TSOP34838 comprises of a photodiode and an amplifier IC stage housed in a single package. The photodiode acts as the sensor that detects the modulated infrared light emitted from the remote control. The amplifier IC amplifies the output generated by the photodiode and transforms it into a clean, logic-compatible output. The TSOP34838 has a high sensitivity of -45 dBm and can detect pulses at frequencies between 315 to 433MHz.

The operating principle of the TSOP34838 is based on the detection of the modulated light stream emitted by the remote controller, which encodes the commands in the form of a digital signal. This signal is then detected by the photodiode, amplified by the amplifier IC and converted into a clean logic-level pulse (digital output). The digital output is then used by the microcontroller to execute the command.

In summary, the TSOP34838 optical receiver is a highly sensitive photo detector designed for remote control service in short distance applications. Its narrow acceptance angle, wide supply voltage range and excellent off-state current make it ideal for applications requiring a higher sensitivity in a small package. The operating principle of the TSOP34838 is based on the detection of the modulated light stream emitted by the remote controller and the output generated is a clean, logic compatible pulse that can be used to execute the command.

The specific data is subject to PDF, and the above content is for reference

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