MICRF221AYQS-TR Overview
The MICRF221AYQS-TR is a high-performance ASK/OOK superheterodyne receiver optimized for low-power wireless applications in the 300 MHz to 450 MHz frequency range. Designed for seamless integration in industrial and consumer RF systems, this device offers excellent sensitivity and selectivity, enabling reliable data reception with minimal interference. Its compact QFN package supports space-saving PCB layouts, while the low current consumption ensures extended battery life in portable and remote sensor designs. Engineers and sourcing specialists can rely on the MICRF221AYQS-TR for robust performance and efficient wireless communication solutions. More details are available at IC Manufacturer.
MICRF221AYQS-TR Technical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Operating Frequency Range | 300 to 450 | MHz |
| Sensitivity (typical) | -112 | dBm |
| Current Consumption (RX mode) | 2.3 | mA |
| Supply Voltage Range | 2.4 to 3.6 | V |
| Data Rate | Up to 100 | kbps |
| IF Frequency | 10.7 | MHz |
| Package Type | QFN-16 | ?C |
| Operating Temperature Range | -40 to +85 | ??C |
MICRF221AYQS-TR Key Features
- Superheterodyne Receiver Architecture: Provides enhanced signal selectivity and sensitivity, reducing interference and improving communication reliability in noisy RF environments.
- Wide Frequency Range Support: Operates from 300 MHz to 450 MHz, allowing flexible integration into various industrial and consumer wireless systems.
- Low Power Consumption: Draws only 2.3 mA in receive mode, enabling longer battery life in portable and remote applications.
- Compact QFN-16 Package: Supports compact PCB layouts and efficient thermal management, facilitating high-density system designs.
- High Data Rate Capability: Supports up to 100 kbps data rates, ideal for fast and reliable data transmission in telemetry and sensor networks.
- Robust Operating Temperature Range: Functions reliably from -40??C to +85??C, ensuring stable performance in harsh industrial conditions.
- Integrated Intermediate Frequency (IF) Filtering: The 10.7 MHz IF frequency enables effective noise filtering and signal processing.
MICRF221AYQS-TR Advantages vs Typical Alternatives
This receiver stands out for its combination of high sensitivity and low power consumption, delivering superior performance compared to typical ASK/OOK receivers. Its superheterodyne architecture enhances selectivity, minimizing false reception from adjacent channels. The wide operating voltage and temperature ranges increase reliability in diverse industrial environments. Additionally, the compact QFN package facilitates integration in space-constrained designs, offering a competitive edge over larger or less efficient alternatives.
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Typical Applications
- Wireless Sensor Networks: Ideal for battery-powered remote sensors requiring low power and reliable data reception over short to medium distances in industrial monitoring systems.
- Remote Keyless Entry Systems: Suitable for automotive and security applications where fast and accurate signal detection is critical for user convenience and safety.
- Industrial Automation Controls: Enables robust wireless communication between control units and field devices operating in challenging RF environments.
- Home Automation Devices: Supports wireless links for smart home components such as lighting controls and environmental sensors.
MICRF221AYQS-TR Brand Info
The MICRF221AYQS-TR is part of a comprehensive portfolio of RF integrated circuits designed for reliable wireless data reception. Manufactured with precision semiconductor processes, this device embodies the brand??s commitment to delivering high-performance, energy-efficient RF front-end solutions tailored for industrial and consumer electronics. Its proven track record in sensitive ASK/OOK demodulation makes it a trusted choice for engineers seeking dependable wireless communication components.
FAQ
What type of modulation does this receiver support?
The device supports Amplitude Shift Keying (ASK) and On-Off Keying (OOK) modulation schemes, which are commonly used for simple and low-power wireless communication systems.
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What is the typical sensitivity of the receiver for reliable signal detection?
The typical sensitivity is approximately -112 dBm, enabling the detection of very weak RF signals in noisy or interference-prone environments, which enhances overall communication reliability.
Can this receiver operate in battery-powered applications?
Yes, with its low current consumption of around 2.3 mA in receive mode, it is well-suited for battery-powered devices, helping to extend operational life in remote or portable wireless systems.
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What is the package type and how does it benefit PCB design?
The device comes in a 16-pin QFN package, which offers a small footprint and improved thermal performance, allowing for dense PCB layouts and efficient heat dissipation in compact designs.
What frequency range does the MICRF221AYQS-TR cover?
It covers the frequency range from 300 MHz to 450 MHz, making it versatile for various industrial and consumer RF applications within this common sub-GHz band.
