MICRF218AYQS Overview
The MICRF218AYQS is a highly integrated ASK/OOK superheterodyne receiver designed for low-power wireless applications. Operating within the 300 MHz to 450 MHz frequency range, it delivers reliable and robust signal reception with excellent sensitivity and selectivity. This device simplifies RF front-end design by incorporating an integrated low-noise amplifier, mixer, and intermediate frequency stages. Ideal for battery-operated systems, it ensures minimal power consumption while maintaining performance. Engineers and sourcing specialists seeking a compact, efficient solution will find this product well-suited for remote keyless entry, security systems, and industrial wireless controls. More details are available at IC Manufacturer.
MICRF218AYQS Technical Specifications
| Parameter | Specification |
|---|---|
| Operating Frequency Range | 300 MHz to 450 MHz |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Current Consumption (Receive Mode) | 1.8 mA typical at 3 V |
| Modulation Type | ASK/OOK |
| Intermediate Frequency (IF) | 10.7 MHz |
| Input Sensitivity | -112 dBm at 10-3 BER |
| Image Rejection | Typical 40 dB |
| Package Type | 16-Lead QSOP |
| Operating Temperature Range | -40??C to +85??C |
MICRF218AYQS Key Features
- Integrated Superheterodyne Receiver Architecture: Enhances sensitivity and selectivity, enabling robust signal reception in noisy environments.
- Wide Operating Voltage Range: Supports 2.0 V to 3.6 V supply, allowing compatibility with various battery types and ensuring flexibility in low-power designs.
- Low Current Consumption: Typical 1.8 mA in receive mode reduces power drain, extending battery life in portable and remote applications.
- High Image Rejection: Approximately 40 dB image rejection minimizes false signals and interference, improving system reliability.
- Compact 16-Lead QSOP Package: Facilitates space-saving PCB layouts and easy integration into compact wireless modules.
- Optimized for ASK/OOK Modulation: Ensures efficient demodulation of amplitude-shift keyed or on-off keyed signals commonly used in remote control and wireless sensor networks.
MICRF218AYQS Advantages vs Typical Alternatives
This receiver stands out by offering superior sensitivity at -112 dBm and low current consumption, outperforming many standard ASK/OOK receivers. Its integrated superheterodyne design delivers enhanced selectivity and image rejection, reducing interference issues common in low-cost alternatives. The wide voltage range and small QSOP package simplify integration into diverse wireless systems, making it a reliable and efficient choice compared to discrete or simpler receiver modules.
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Typical Applications
- Remote Keyless Entry Systems: Provides reliable, low-power reception for vehicle locking and unlocking functions, ensuring secure and responsive operation.
- Wireless Security Systems: Supports alarm and sensor communication with high sensitivity and low power use, critical for battery-powered security devices.
- Home Automation: Enables wireless control and monitoring of smart devices, offering compact size and efficient demodulation suited for residential environments.
- Industrial Wireless Controls: Facilitates robust remote control of machinery and systems, leveraging high image rejection to maintain signal integrity in noisy industrial settings.
MICRF218AYQS Brand Info
This product is part of a comprehensive portfolio of RF receiver ICs developed by a leading semiconductor manufacturer known for delivering high-performance, low-power wireless solutions. Designed with stringent quality standards, it supports a broad range of wireless applications requiring efficient ASK/OOK demodulation. The brand is recognized for innovation in industrial and automotive wireless communication components, providing engineers and system designers with reliable building blocks to accelerate product development and improve end-product functionality.
FAQ
What modulation schemes does this receiver support?
This receiver is specifically designed to support Amplitude Shift Keying (ASK) and On-Off Keying (OOK) modulation schemes. These are widely used in low-power wireless communication systems, enabling simple and effective demodulation of transmitted signals.
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What is the typical current consumption during operation?
The device typically consumes around 1.8 mA when operating in receive mode at a 3 V supply voltage. This low current draw helps extend battery life in portable and remote wireless applications.
Can this receiver operate at frequencies outside the 300 MHz to 450 MHz range?
The specified operating frequency range is 300 MHz to 450 MHz. While slight deviations may be possible with external tuning components, the device is optimized for this range to ensure maximum sensitivity and performance.
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What package options are available for this receiver?
The receiver is supplied in a 16-lead QSOP package, which provides a compact footprint suitable for space-constrained PCB layouts and facilitates ease of integration into wireless modules.
How does the device handle interference and image signals?
The integrated superheterodyne architecture provides approximately 40 dB of image rejection, significantly reducing susceptibility to interference from unwanted signals. This improves the reliability and accuracy of received data in challenging RF environments.
