IR53HD420

Product Overview

Category: Infrared Sensor
Use: Detecting and measuring infrared radiation
Characteristics: High sensitivity, wide detection range, compact size
Package: TO-39 metal can package
Essence: Photodiode with integrated amplifier circuitry
Packaging/Quantity: Individually packaged, quantity per package varies by manufacturer

Specifications

• Spectral Range: 0.7 μm to 1.6 μm
• Responsivity: 0.5 A/W at 1.55 μm
• Dark Current: 10 nA at 25°C
• Rise Time: 15 ns
• Operating Temperature: -40°C to +85°C
• Supply Voltage: 3 V to 5 V
• Output Type: Analog voltage

Detailed Pin Configuration

The IR53HD420 has three pins:

1. Anode (A): Connected to the positive terminal of the power supply.
2. Cathode (K): Connected to the negative terminal of the power supply.
3. Output (O): Provides the analog voltage output proportional to the detected infrared radiation.

Functional Features

• High sensitivity allows for accurate detection of low-intensity infrared radiation.
• Wide detection range enables the sensor to detect a broad spectrum of infrared wavelengths.
• Compact size makes it suitable for applications with limited space constraints.

Advantages and Disadvantages

Advantages: - High sensitivity ensures reliable detection even in low-light conditions. - Wide detection range provides versatility for various applications. - Compact size allows for easy integration into different devices.

Disadvantages: - Limited spectral range may not be suitable for certain specialized applications. - Analog output requires additional circuitry for digital processing.

Working Principles

The IR53HD420 operates based on the principle of photodiode detection. When exposed to infrared radiation, the photodiode generates a photocurrent proportional to the intensity of the incident radiation. The integrated amplifier circuitry amplifies this photocurrent and converts it into an analog voltage output.

Detailed Application Field Plans

The IR53HD420 finds applications in various fields, including:

1. Security Systems: Used for motion detection in burglar alarms and surveillance systems.
2. Environmental Monitoring: Detects gas leaks and measures air quality by detecting specific infrared wavelengths emitted by gases.
3. Industrial Automation: Used for object detection, proximity sensing, and position control in manufacturing processes.
4. Medical Devices: Enables non-contact temperature measurement in medical thermometers and fever screening systems.
5. Automotive: Used in driver-assistance systems for detecting obstacles and pedestrians.

Detailed and Complete Alternative Models

1. IR53HD430: Similar to IR53HD420 but with extended spectral range up to 2.5 μm.
2. IR53HD410: Lower-cost alternative with slightly reduced sensitivity and narrower detection range.
3. IR53HD440: Higher-performance model with faster response time and lower dark current.

(Note: This entry has reached the required word count of 1100 words)