TSOP2238 Infrared Receiver Module
Product Overview
The TSOP2238 is an infrared receiver module designed for remote control applications. This component falls under the category of electronic components and is widely used in consumer electronics, automation systems, and other devices that require remote control functionality. The TSOP2238 is known for its high sensitivity, compact package, and reliable performance. It is typically available in a standard through-hole package and is commonly sold in quantities suitable for small to medium-scale production.
Specifications
- Operating Voltage: 2.5V to 5.5V
- Carrier Frequency: 38kHz
- Supply Current: 350µA
- Output Voltage: 0.4V (Low), Vcc - 0.4V (High)
- Reception Range: 45 meters
- Package Type: Through-Hole
- Package Dimensions: 6.95mm x 6.95mm x 5.3mm
Detailed Pin Configuration
The TSOP2238 module typically consists of three pins: 1. OUT - Output Pin 2. GND - Ground Pin 3. VCC - Power Supply Pin
Functional Features
- High Sensitivity to Infrared Signals
- Low Power Consumption
- Wide Reception Range
- Immunity to Ambient Light Disturbances
Advantages and Disadvantages
Advantages
- Reliable Performance in Various Lighting Conditions
- Compact and Easy to Integrate
- Wide Operating Voltage Range
Disadvantages
- Limited Carrier Frequency Compatibility
- Susceptible to Signal Interference in Crowded Environments
Working Principles
The TSOP2238 operates based on the principle of detecting modulated infrared signals at a specific carrier frequency. When exposed to infrared radiation at 38kHz, the module demodulates the signal and provides a corresponding output, making it ideal for remote control applications.
Detailed Application Field Plans
The TSOP2238 finds extensive use in the following application fields: - Television and Audio Systems - Air Conditioning and HVAC Controls - Home Automation Devices - Remote Control Toys and Gadgets
Detailed and Complete Alternative Models
For those seeking alternative infrared receiver modules, the following options are worth considering: - TSOP4838 - TSOP38238 - TSOP31238
In conclusion, the TSOP2238 infrared receiver module offers reliable performance, high sensitivity, and wide reception range, making it a popular choice for remote control applications across various industries.
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What is TSOP2238?
- TSOP2238 is a miniaturized receiver for infrared remote control systems.
What is the operating voltage of TSOP2238?
- The operating voltage range of TSOP2238 is typically 2.5V to 5.5V.
What is the typical reception range of TSOP2238?
- The typical reception range of TSOP2238 is around 45 meters.
What is the carrier frequency range supported by TSOP2238?
- TSOP2238 supports a carrier frequency range of 30 kHz to 56 kHz.
How does TSOP2238 filter out noise and interference?
- TSOP2238 has built-in AGC (Automatic Gain Control) and a bandpass filter to suppress unwanted noise and interference.
Can TSOP2238 be used with different types of remote controls?
- Yes, TSOP2238 is compatible with various infrared remote control protocols.
What is the output signal format of TSOP2238?
- The output signal format of TSOP2238 is active low.
Is TSOP2238 suitable for battery-powered devices?
- Yes, TSOP2238's low power consumption makes it suitable for battery-powered applications.
Can TSOP2238 be used in harsh environmental conditions?
- TSOP2238 is sensitive to ambient light and should be used in controlled lighting environments.
Are there any specific design considerations when using TSOP2238 in a circuit?
- It's important to ensure proper decoupling and filtering in the power supply and to minimize stray light entering the sensor area for optimal performance.