The UPD6124CA-653, manufactured by NEC, is a remote control transmitter IC commonly used in various electronic devices. This integrated circuit is designed to encode and transmit infrared (IR) signals, allowing users to remotely control devices such as televisions, DVD players, air conditioners, and other consumer electronics. It is part of NEC's UPD612x series, which are well-regarded for their reliability and efficient power consumption.

Applications

• Television remote controls
• DVD player remote controls
• Air conditioner remote controls
• Audio equipment remote controls
• Set-top box remote controls

Features

• Infrared (IR) signal transmission
• Encoding of remote control commands
• Low power consumption
• Multiple key input support
• Oscillator circuit for generating carrier frequency
• Supports NEC encoding format

Benefits

• Enables wireless remote control functionality
• Reduces the need for physical buttons on devices
• Provides a convenient user interface for controlling electronic devices from a distance
• Extends battery life in remote control units due to low power consumption
• Offers a cost-effective solution for remote control applications

Technical Specifications

While specific technical specifications for the UPD6124CA-653 can vary, key characteristics generally include a supply voltage range (typically 2.4V to 3.6V), an oscillator frequency (often around 455 kHz), and the ability to handle multiple key inputs. The output signal is typically an IR signal modulated at a carrier frequency. It utilizes the NEC encoding format, a widely adopted standard for IR remote control communication. The package type is generally a small outline package (SOP) to facilitate compact designs.

The UPD6124CA-653 integrates essential functions for remote control transmission, including key input scanning, command encoding, carrier frequency generation, and IR signal modulation. Its low power consumption makes it suitable for battery-powered remote controls, contributing to extended operational life. Its compatibility with the NEC encoding format ensures interoperability with a wide range of consumer electronic devices.