MICRF229YQS-TR Overview
The MICRF229YQS-TR is a highly integrated superheterodyne receiver IC optimized for low-power wireless applications in the 300 to 450 MHz frequency range. Designed to facilitate robust remote control and data communication, it combines a low-noise amplifier, mixer, and intermediate frequency (IF) stages in a compact package. This device supports various modulation schemes including ASK and OOK, delivering reliable sensitivity and selectivity. Its low voltage operation and minimal external components simplify system design and reduce overall costs, making it ideal for industrial, security, and consumer wireless systems. For detailed specifications and purchasing, please visit IC Manufacturer.
MICRF229YQS-TR Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Frequency Range | 300 to 450 | MHz |
| Supply Voltage | 2.4 to 5.0 | V |
| Current Consumption (Receive Mode) | 4.8 | mA |
| Sensitivity (at 1.2 kbps, OOK) | -112 | dBm |
| Intermediate Frequency (IF) | 10.7 | MHz |
| Modulation Types Supported | OOK, ASK | – |
| Image Rejection Ratio | 20 | dB |
| Package Type | QSOP-16 | – |
| Operating Temperature Range | -40 to +85 | ??C |
| External Components Required | Minimal | – |
MICRF229YQS-TR Key Features
- Wide frequency coverage: Covers 300 to 450 MHz enabling flexible deployment in various license-free ISM bands.
- Low current consumption: Draws only 4.8 mA in receive mode to extend battery life in portable and remote systems.
- High sensitivity: Achieves -112 dBm sensitivity at 1.2 kbps OOK data rate, ensuring reliable reception even in challenging RF environments.
- Integrated IF filtering: Built-in 10.7 MHz IF stage reduces the need for external components and enhances selectivity.
- Multiple modulation support: Compatible with ASK and OOK signals, providing flexibility in wireless protocol design.
- Compact QSOP-16 package: Facilitates space-saving PCB layouts in compact wireless devices.
- Wide operating voltage: Supports 2.4 to 5.0 V supply, enabling use in diverse system power architectures.
MICRF229YQS-TR Advantages vs Typical Alternatives
This receiver IC stands out due to its excellent sensitivity and low power consumption, which surpass many competing superheterodyne designs in the 300?C450 MHz range. Its high integration level minimizes external component count, reducing overall system cost and complexity. Additionally, the broad supply voltage range and robust image rejection enhance operational reliability, making it a preferred choice for industrial and consumer wireless applications requiring stable long-term performance.
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Typical Applications
- Remote keyless entry systems for vehicles and security, where reliable low-power RF reception in the 300?C450 MHz band is critical for responsive control.
- Wireless alarm and security sensors requiring compact receivers with high sensitivity to detect low-strength signals.
- Industrial remote controls for machinery and automation, benefiting from robust ASK/OOK reception and low power demand.
- Short-range data telemetry systems that need a compact, efficient receiver front-end to support sensor data transmission.
MICRF229YQS-TR Brand Info
This device is part of a well-established family of RF receiver ICs known for their robust performance and ease of integration. Manufactured by a leading semiconductor provider, it is designed specifically to meet the demands of low-power, high-performance wireless communication systems. The product benefits from extensive characterization and support resources, ensuring dependable operation in industrial, automotive, and consumer environments. Its QSOP-16 package and minimal external component requirements allow design engineers to reduce PCB size and simplify assembly.
FAQ
What modulation schemes does this receiver support?
This receiver supports amplitude shift keying (ASK) and on-off keying (OOK) modulation schemes, making it suitable for various simple wireless communication protocols commonly used in remote control and data transmission applications.
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What is the typical supply voltage range for operation?
The device operates over a supply voltage range from 2.4 V to 5.0 V, providing flexibility to integrate with different battery technologies and power supply configurations in wireless systems.
How does the device achieve low power consumption?
By integrating key RF front-end functions and using optimized circuit design, the receiver draws approximately 4.8 mA during reception. This low current draw helps extend battery life in portable and remote devices.
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What is the significance of the 10.7 MHz intermediate frequency?
The 10.7 MHz IF stage provides effective image rejection and selectivity, improving signal quality and reducing interference from unwanted signals. This built-in filtering minimizes the need for external components.
Is the package suitable for compact wireless designs?
Yes, the QSOP-16 package is a small footprint surface-mount package that facilitates compact PCB layouts and efficient manufacturing processes, ideal for space-constrained wireless applications.
