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TSOP18438
Product Overview
Category
The TSOP18438 belongs to the category of infrared receiver modules.
Use
It is used for remote control systems, such as in TVs, air conditioners, and other consumer electronics.
Characteristics
- High sensitivity
- Photodetector and preamplifier in one package
- Internal filter for PCM frequency
- Shielding against EMI
- Low supply current
- TTL and CMOS compatibility
Package
The TSOP18438 comes in a standard 3-pin epoxy package.
Essence
This product is essential for receiving and decoding infrared signals from remote controls.
Packaging/Quantity
The TSOP18438 is typically available in reels with a quantity of 1000 units per reel.
Specifications
- Supply Voltage: 2.5V to 5.5V
- Carrier Frequency: 38 kHz
- Transmission Range: 45 meters
- Operating Temperature: -25°C to +85°C
- Storage Temperature: -25°C to +85°C
Detailed Pin Configuration
- OUT (Output)
- GND (Ground)
- VS (Supply Voltage)
Functional Features
The TSOP18438 is designed to receive modulated infrared signals and convert them into electrical signals. It has a built-in photo detector and preamplifier for efficient signal reception.
Advantages
- High sensitivity allows for reliable signal reception
- Internal filtering reduces interference from ambient light sources
- Low supply current for energy efficiency
- Compatible with both TTL and CMOS logic levels
Disadvantages
- Limited carrier frequency (38 kHz) may not be suitable for all applications
- Requires line-of-sight communication for effective signal reception
Working Principles
When an infrared signal is emitted by a remote control, the TSOP18438 receives the modulated signal and converts it into a corresponding electrical signal. The internal circuitry then processes the signal for further use by the device it is connected to.
Detailed Application Field Plans
The TSOP18438 is widely used in various consumer electronic devices, including: - Television sets - Air conditioners - Audio systems - Set-top boxes - DVD/Blu-ray players - Home automation systems
Detailed and Complete Alternative Models
Some alternative models to the TSOP18438 include: - TSOP38238 - TSOP4838 - TSOP2238 - TSOP3238
In conclusion, the TSOP18438 is a versatile infrared receiver module that offers high sensitivity and reliable performance in remote control systems. Its compact package and compatibility with various devices make it a popular choice for manufacturers of consumer electronics.
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Перечислите 10 распространенных вопросов и ответов, связанных с применением TSOP18438 в технических решениях.
What is TSOP18438?
- TSOP18438 is a miniaturized receiver for infrared remote control systems.
What is the operating voltage range of TSOP18438?
- The operating voltage range of TSOP18438 is typically 2.5V to 5.5V.
What is the typical reception range of TSOP18438?
- The typical reception range of TSOP18438 is around 45 meters.
What is the carrier frequency of TSOP18438?
- The carrier frequency of TSOP18438 is typically 38kHz.
What is the output signal format of TSOP18438?
- The output signal format of TSOP18438 is active low.
What is the typical supply current of TSOP18438?
- The typical supply current of TSOP18438 is around 350µA.
What are the typical applications of TSOP18438?
- TSOP18438 is commonly used in TVs, audio systems, air conditioners, and other home appliances.
How does TSOP18438 filter disturbances from sunlight?
- TSOP18438 has a built-in sunlight suppression feature that helps filter out disturbances from sunlight.
Can TSOP18438 be used with different microcontrollers?
- Yes, TSOP18438 can be easily interfaced with different microcontrollers.
Is TSOP18438 compatible with lead-free soldering?
- Yes, TSOP18438 is compatible with lead-free soldering processes, making it environmentally friendly.
These questions and answers cover various aspects of TSOP18438 and its application in technical solutions. If you have more specific questions, feel free to ask!