MICRF229YQS Overview
The MICRF229YQS is a highly integrated, low-power AM superheterodyne receiver IC designed for wireless remote control applications. It operates in the 300 to 450 MHz frequency range, providing robust and sensitive signal reception for low-cost systems. This device combines a low-noise front-end amplifier, a mixer, and a limiter amplifier in a compact SOIC-8 package, enabling simplified design and reduced component count. Its efficient architecture supports battery-operated devices, making it ideal for remote keyless entry, garage door openers, and security systems. For reliable sourcing and detailed technical support, visit IC Manufacturer.
MICRF229YQS Technical Specifications
| Parameter | Specification |
|---|---|
| Frequency Range | 300 MHz to 450 MHz |
| Supply Voltage (VCC) | 4.5 V to 6.0 V |
| Current Consumption | Approximately 1.9 mA |
| Receiver Sensitivity | -105 dBm (typical) |
| Intermediate Frequency (IF) | 455 kHz |
| Package Type | SOIC-8 |
| Operating Temperature Range | -40 ??C to +85 ??C |
| Input Impedance | 50 ?? (typical) |
| Output Type | Limiter Amplifier Output |
MICRF229YQS Key Features
- Wide Frequency Range: Supports 300 MHz to 450 MHz operation, enabling compatibility with various regional wireless standards and remote control protocols.
- Low Current Consumption: Draws approximately 1.9 mA, extending battery life in portable and remote applications.
- Integrated Superheterodyne Receiver: Combines RF amplifier, mixer, and IF limiter amplifier in one IC, reducing external components and simplifying PCB layout.
- High Sensitivity: Typical receiver sensitivity of -105 dBm ensures reliable signal detection even in low-signal environments.
- Robust Operation: Designed to operate across a wide temperature range (-40 ??C to +85 ??C), ensuring stable performance in harsh industrial or automotive conditions.
- Compact SOIC-8 Package: Space-saving form factor facilitates integration into compact wireless modules and devices.
- Optimized Input Matching: Built-in 50 ?? input impedance allows for straightforward antenna interface design without additional matching networks.
MICRF229YQS Advantages vs Typical Alternatives
This device offers superior sensitivity and lower power consumption compared to typical AM superheterodyne receivers in the same frequency range. Its high integration level reduces external component count, simplifying design and increasing reliability. The wide operating voltage and temperature ranges enhance versatility for various industrial and consumer applications. Additionally, the optimized input impedance reduces the need for complex antenna matching, improving overall system efficiency.
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Typical Applications
- Wireless remote controls for garage doors and gate openers, where low power consumption and reliable AM reception are critical for battery-operated devices.
- Security systems requiring robust and sensitive remote keyless entry receivers operating in the 300?C450 MHz band.
- Industrial remote controls for machinery or automated systems, benefiting from the device??s wide temperature range and high integration.
- Home automation devices that rely on low-cost, low-power wireless AM receivers for remote actuation and monitoring.
MICRF229YQS Brand Info
The MICRF229YQS is a product within the MICRF series known for its performance in low-power RF receiver applications. This IC is designed and produced by a reputable manufacturer specializing in semiconductor solutions for industrial and consumer electronics. The brand emphasizes reliability, integration, and energy efficiency, making this series a preferred choice for OEMs developing wireless control systems. The MICRF229YQS continues this tradition, offering a cost-effective solution tailored to remote control and short-range communication needs.
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 a variety of sub-GHz wireless applications such as remote keyless entry and garage door controls.
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How does the power consumption of this receiver impact battery life?
With a typical current consumption of approximately 1.9 mA, the IC is optimized for battery-powered applications, helping extend operating time in portable devices and reducing maintenance intervals.
What is the significance of the integrated superheterodyne architecture in this device?
The integrated superheterodyne design combines multiple RF functions such as the front-end amplifier, mixer, and IF amplifier into one IC, which simplifies circuit design, improves sensitivity, and reduces external component count.
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Is the device suitable for harsh environmental conditions?
Yes, it operates reliably within a temperature range from -40 ??C to +85 ??C, allowing it to perform in demanding industrial and automotive environments without degradation in performance.
What packaging options are available for this product?
This receiver IC is supplied in a compact SOIC-8 package, which facilitates easy PCB integration and space-saving design in wireless modules and remote control units.
