Maxim Integrated MAX1472AKA-T: Low-Power, 300MHz to 450MHz ASK Transmitter

The MAX1472AKA-T from Maxim Integrated is a highly efficient, low-power amplitude-shift keying (ASK) transmitter designed for wireless communication within the 300MHz to 450MHz frequency range. This compact component is ideal for a variety of remote-control and data-transmission applications, particularly in fields such as home automation, security systems, and industrial control. Its small form factor and low power consumption make it an excellent choice for battery-operated devices.

At the heart of the MAX1472AKA-T is a sophisticated oscillator and phase-locked loop (PLL) circuitry, which ensures accurate frequency control and stability over the entire operating temperature range. The device is capable of generating a frequency-modulated (FM) or amplitude-modulated (AM) signal, which can be used for transmitting data over short distances. With its adjustable output power levels, the MAX1472AKA-T can be tailored to a wide range of transmission distances and power requirements.

One of the standout features of the MAX1472AKA-T is its low current consumption. When in transmit mode, it only requires 8.5mA (typical) at 3V, which helps to extend the battery life of portable devices. Additionally, it has a shutdown mode that reduces the current to less than 1µA, significantly conserving power when the transmitter is not in use.

The MAX1472AKA-T comes in a small 8-pin SOT23 package, which is suitable for space-constrained applications. The device is also designed to be easy to use, requiring only a few external components to create a fully functional ASK transmitter. This simplicity allows for rapid development and deployment in various systems without the need for complex circuit designs.

Overall, the MAX1472AKA-T by Maxim Integrated is a reliable and versatile ASK transmitter that offers a perfect blend of performance, power efficiency, and ease of integration, making it a top choice for designers looking to add wireless capabilities to their products.

Key features include:

• 300MHz to 450MHz frequency range
• Low current consumption: 8.5mA in transmit mode
• Shutdown current less than 1µA
• Adjustable output power
• Simple external circuitry
• 8-pin SOT23 package