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MICRF218AYQS from MICREL

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MICRF218AYQS

Manufacturer: MICREL, MIC, MICREL

3.3V, 315/433MHz Wide-IF Bandwidth ASK Receiver

Partnumber Manufacturer Quantity Availability
MICRF218AYQS MICREL, MIC, MICREL 14541 In Stock

Description and Introduction

3.3V, 315/433MHz Wide-IF Bandwidth ASK Receiver **Enhance Your RF Designs with the MICRF218AYQS Transceiver**  

The MICRF218AYQS is a high-performance, low-power RF transceiver designed for seamless wireless communication in a variety of applications. Engineered for reliability and efficiency, this compact component is ideal for remote control systems, industrial telemetry, and IoT devices requiring robust wireless connectivity.  

Operating in the 300–450 MHz frequency range, the MICRF218AYQS supports both ASK and FSK modulation schemes, offering flexibility for diverse communication protocols. Its integrated architecture simplifies design implementation while minimizing external component count, reducing both cost and board space. With a low current consumption of just 8.5 mA in receive mode, it is well-suited for battery-powered applications where energy efficiency is critical.  

The transceiver features a high-sensitivity receiver (-110 dBm for ASK) and an adjustable output power transmitter, ensuring reliable performance across varying distances and environmental conditions. Additionally, its built-in data filtering and clock recovery functions enhance signal integrity, reducing the need for extensive external circuitry.  

Available in a compact 16-pin QSOP package, the MICRF218AYQS is designed for easy integration into space-constrained designs. Its robust performance, coupled with low power consumption, makes it an excellent choice for developers seeking a dependable RF solution without compromising efficiency.  

Whether used in smart home devices, industrial automation, or remote monitoring systems, the MICRF218AYQS delivers consistent performance, simplifying wireless connectivity while maintaining high standards of reliability. For engineers looking to optimize their RF designs, this transceiver offers a balanced combination of power, flexibility, and ease of use.

Application Scenarios & Design Considerations

3.3V, 315/433MHz Wide-IF Bandwidth ASK Receiver

Alternative Part Number

  • MAX1473EUI+ --: Pin-compatible ASK/FSK receiver in the same 300-450 MHz band with similar sensitivity and supply range, widely available and well documented.
  • RXB6 --: Low-cost 433 MHz ASK receiver module that covers the same application space and can replace the MICRF218 in many short-range remote control designs.
  • SYN470R --: 433 MHz ASK/OOK receiver IC with comparable sensitivity and data rate, commonly used as a drop-in alternative in low-power wireless receivers.
  • RX3400 --: Low-power ASK receiver module covering similar ISM bands, suitable as a functional replacement where a module form factor is acceptable.
  • SYN480R --: Low-cost ASK/OOK receiver IC with similar frequency coverage and sensitivity, often used as a cost-reduced substitute for MICRF218.

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