DDC118IRTCR

Product Overview

Category: Integrated Circuit (IC)

Use: Infrared Transceiver

Characteristics: - Compact and versatile design - High-speed infrared communication - Low power consumption - Wide operating voltage range - Reliable performance

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: DDC118IRTCR is a highly efficient infrared transceiver IC that enables fast and reliable communication using infrared technology.

Packaging/Quantity: Available in reels of 2500 units per reel.

Specifications

• Supply Voltage Range: 2.4V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 4 Mbps
• Transmission Distance: Up to 5 meters
• Carrier Frequency: 38 kHz

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. RXD: Receiver data input
4. TXD: Transmitter data output
5. NC: No connection
6. AGC: Automatic Gain Control
7. SD: Shutdown control input
8. VS: Supply voltage for the transmitter

Functional Features

• Bi-directional communication: Allows both sending and receiving data.
• Automatic Gain Control (AGC): Ensures optimal signal strength and reception quality.
• Shutdown mode: Enables power-saving by putting the IC into a low-power state when not in use.
• Noise filtering: Filters out unwanted noise for improved signal integrity.
• Error detection and correction: Incorporates error-checking mechanisms to ensure accurate data transmission.

Advantages

• Versatile application: Suitable for various infrared communication systems, including remote controls, data transfer between devices, and proximity sensors.
• Compact size: The small form factor makes it easy to integrate into space-constrained designs.
• Low power consumption: Ideal for battery-powered devices, extending their operational life.
• High-speed communication: Enables fast data transfer, enhancing user experience.

Disadvantages

• Limited transmission distance: The effective range is up to 5 meters, which may not be sufficient for certain applications requiring longer distances.
• Line-of-sight requirement: Infrared signals are obstructed by physical barriers, necessitating a clear line of sight between the transmitter and receiver.

Working Principles

DDC118IRTCR utilizes infrared light to transmit and receive data. It employs a carrier frequency of 38 kHz for modulation and demodulation of the transmitted and received signals. The AGC feature ensures optimal signal strength by adjusting the gain based on the received signal level. The IC operates within a wide voltage range, allowing compatibility with various power supply configurations.

Detailed Application Field Plans

1. Remote Controls: DDC118IRTCR can be used in TV, air conditioner, and other remote controls, providing reliable and responsive communication between the remote and the controlled device.
2. Data Transfer: It can facilitate wireless data transfer between devices such as smartphones, tablets, and laptops, eliminating the need for physical connections.
3. Proximity Sensors: The IC can be employed in proximity sensors to detect the presence or absence of objects without physical contact.

Detailed and Complete Alternative Models

1. DDC119IRTCR: Similar to DDC118IRTCR but with extended transmission range of up to 10 meters.
2. DDC120IRTCR: Enhanced version with higher data rate capability of up to 8 Mbps.
3. DDC121IRTCR: Advanced model featuring built-in error correction mechanisms for improved data integrity.

Note: This list is not exhaustive and there may be other alternative models available in the market.

In conclusion, DDC118IRTCR is a versatile and efficient infrared transceiver IC that offers high-speed communication, low power consumption, and reliable performance. Its compact design and wide operating voltage range make it suitable for various applications in the field of infrared communication. While it has limitations in terms of transmission distance and line-of-sight requirement, alternative models with extended capabilities are available to cater to specific requirements.