Maxim Integrated MAX1473EUI+ ASK Receiver

The MAX1473EUI+ from Maxim Integrated is a sophisticated, low-power, fully integrated Amplitude-Shift Keying (ASK) receiver designed for use in a variety of wireless data communication applications. This device operates in the 300MHz to 450MHz frequency range, making it suitable for a wide range of remote control and telemetry systems, including garage door openers, home automation, and remote keyless entry systems.

One of the standout features of the MAX1473EUI+ is its exceptional sensitivity, which allows it to detect weak signals, thereby extending the operating range of wireless devices. It boasts a high input sensitivity of -114dBm at 1kbps, which ensures reliable communication even in the presence of interference or at the edge of the transmission range.

The receiver is equipped with an integrated frequency synthesizer, eliminating the need for external components to set the operating frequency. This not only simplifies the design process but also reduces the bill of materials, which can be crucial for cost-sensitive applications. Additionally, the MAX1473EUI+ offers a low current consumption of 5.5mA in active mode and 0.3µA in shutdown mode, which is ideal for battery-powered devices where power efficiency is a critical consideration.

The MAX1473EUI+ comes in a compact 28-pin SSOP package, making it suitable for space-constrained applications. It also features an automatic gain control (AGC) system, which adjusts the receiver gain to accommodate for varying signal strengths, ensuring consistent performance across different operating conditions.

Moreover, the device is designed for ease of use, with a simple data interface that can be connected directly to a microcontroller or decoder chip. It also includes a digital RSSI output, which provides a signal strength indication that can be used for diagnostic purposes or to optimize system performance.

Overall, the Maxim Integrated MAX1473EUI+ ASK Receiver is an excellent choice for designers looking for a reliable, high-performance solution for their wireless communication needs. With its integrated features, low power consumption, and ease of integration, it offers a versatile solution for a multitude of RF applications.