MICRF219AAYQS-TR Overview
The MICRF219AAYQS-TR is a high-performance ASK/OOK superheterodyne receiver IC designed for low-power wireless applications. Optimized for 315 MHz and 433.92 MHz ISM bands, it provides excellent sensitivity and selectivity, making it ideal for remote keyless entry, security systems, and industrial controls. Featuring an integrated low-noise amplifier and mixer, this device simplifies RF front-end design while minimizing external components. Its compact 8-pin SOIC package supports efficient PCB layout and ease of integration. For further technical details and purchasing information, visit the IC Manufacturer.
MICRF219AAYQS-TR Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Frequency | 300 to 450 | MHz |
| Supply Voltage (VDD) | 2.0 to 5.5 | V |
| Current Consumption | 1.3 | mA (typical) |
| Input Sensitivity (at 10-3 BER) | -112 | dBm |
| Intermediate Frequency (IF) | 455 | kHz |
| Modulation Type | ASK/OOK | ?C |
| Output Type | Digital Data Output | ?C |
| Package | 8-pin SOIC | ?C |
MICRF219AAYQS-TR Key Features
- Superheterodyne architecture: Provides enhanced selectivity and sensitivity, enabling reliable reception in noisy RF environments.
- Wide operating voltage range: Supports 2.0 V to 5.5 V supply, ensuring compatibility with various power sources and system designs.
- Low current consumption: Typical 1.3 mA current draw optimizes battery life in portable and wireless sensor applications.
- Integrated low-noise amplifier and mixer: Reduces the need for external RF components, simplifying PCB layout and lowering system cost.
- Compatibility with ASK/OOK modulation: Supports commonly used modulation schemes in industrial and consumer wireless devices.
- Compact 8-pin SOIC package: Facilitates space-saving designs and efficient automated assembly processes.
MICRF219AAYQS-TR Advantages vs Typical Alternatives
This receiver IC stands out with superior sensitivity of -112 dBm at a bit error rate of 10-3, outperforming many basic superregenerative receivers. Its superheterodyne design ensures better selectivity and interference rejection, while the low current consumption supports extended battery life. The integrated low-noise amplifier and mixer reduce external component count, leading to streamlined designs and enhanced reliability compared to typical discrete solutions.
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Typical Applications
- Remote keyless entry systems: Provides robust and reliable wireless reception in automotive and security remote controls, ensuring secure signal decoding in challenging RF environments.
- Garage door openers: Enables low-power, responsive wireless control for residential and commercial garage access systems.
- Alarm and security systems: Supports wireless sensor networks and transmitters for intrusion detection and monitoring applications.
- Industrial remote controls: Facilitates dependable wireless command reception in factory automation and machinery control applications.
MICRF219AAYQS-TR Brand Info
The MICRF219AAYQS-TR is a product from a leading semiconductor manufacturer specializing in analog and mixed-signal integrated circuits. This device reflects the brand??s commitment to delivering high-quality RF components designed for industrial and consumer wireless applications. Its robust performance and integration make it a preferred choice for engineers developing low-power ASK/OOK receivers with minimal external parts and consistent reliability.
FAQ
What frequency bands does this receiver IC support?
The device operates over a frequency range of 300 MHz to 450 MHz, making it suitable for common ISM bands such as 315 MHz and 433.92 MHz. This flexibility allows it to be used in various regional wireless communication standards.
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What modulation schemes are compatible with this receiver?
It supports amplitude shift keying (ASK) and on-off keying (OOK) modulation types, which are widely used in low-data-rate wireless transmission for remote control and sensor applications.
How does the superheterodyne architecture benefit system performance?
The superheterodyne design improves selectivity and sensitivity by converting the received RF signal to a fixed intermediate frequency. This enhances interference rejection and signal clarity compared to simpler superregenerative receivers.
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What is the typical current consumption during operation?
The IC typically consumes about 1.3 mA at nominal supply voltage, which supports low-power applications by extending battery life in wireless devices.
What package options are available for this RF receiver?
This model is supplied in an 8-pin small outline integrated circuit (SOIC) package. This compact form factor supports efficient PCB layout and automated assembly in high-volume manufacturing environments.
