MICRF009BM RF Detector IC, High Sensitivity, SOT-23 Package

MICRF009BM Overview

The MICRF009BM is a highly integrated, low-power ASK/OOK superheterodyne receiver designed for industrial and consumer wireless applications. Featuring excellent sensitivity and selectivity, it supports reliable data reception in challenging radio environments. The device operates efficiently at low supply voltages, making it suitable for battery-powered systems. Its compact design and simplified external component requirements enable streamlined system integration. This receiver is ideal for remote controls, security systems, and wireless sensor networks. For more detailed product information and purchasing options, visit IC Manufacturer.

MICRF009BM Technical Specifications

Parameter	Specification
Operating Voltage	2.0 V to 3.6 V
Operating Frequency Range	300 MHz to 450 MHz
Data Rate	Up to 10 kbps
Receiver Sensitivity	-112 dBm (typical at 3 V, 1.2 kbps)
Current Consumption	3.2 mA typical (at 3 V)
Modulation Type	ASK / OOK
Demodulation	Superheterodyne with PLL
Output Format	Data and Carrier Detect output
Package Type	8-pin SOIC

MICRF009BM Key Features

• High Sensitivity Reception: Enables reliable data decoding even in low-signal environments, improving communication robustness in wireless systems.
• Wide Operating Frequency Range: Supports various sub-GHz ISM bands from 300 MHz to 450 MHz, offering versatility in application design.
• Low Power Consumption: Operates with minimal current draw, extending battery life in portable and remote devices.
• Integrated PLL and Superheterodyne Architecture: Provides excellent selectivity and reduced interference for stable signal reception.
• Simple External Components: Reduces BOM complexity and board space requirements, facilitating compact and cost-effective designs.
• Data and Carrier Detect Outputs: Offer clear demodulated data signals and carrier presence indication, simplifying system integration and diagnostics.
• Compact 8-pin SOIC Package: Ensures easy PCB layout and compatibility with standard manufacturing processes.

MICRF009BM Advantages vs Typical Alternatives

Compared to typical ASK/OOK receivers, this device delivers superior sensitivity and lower power consumption, enhancing wireless link reliability and battery efficiency. Its integrated PLL-based superheterodyne architecture provides better selectivity and noise rejection than simpler envelope detectors. The minimal external component requirement simplifies design and reduces costs, making it an advantageous choice for compact, energy-conscious industrial and consumer applications.

Typical Applications

• Remote control systems for industrial machinery and consumer electronics, where robust wireless data reception is critical for operation and safety.
• Security alarm systems requiring reliable detection of wireless sensor signals over varying distances and RF conditions.
• Wireless sensor networks in smart metering or environmental monitoring, benefiting from the low power and high sensitivity features.
• Garage door openers and keyless entry systems, leveraging the device??s efficient modulation support and compact footprint.

MICRF009BM Brand Info

This superheterodyne ASK/OOK receiver is part of a family of high-performance RF components designed to meet the demanding needs of industrial and consumer wireless applications. It reflects the brand??s commitment to delivering integrated solutions that combine sensitivity, power efficiency, and ease of design. The brand??s engineering expertise ensures reliable operation across various RF environments and system requirements, backed by quality manufacturing standards.

FAQ

What frequency bands does this receiver support?

The device operates within the 300 MHz to 450 MHz frequency range, covering common sub-GHz ISM bands suitable for many industrial and consumer wireless applications.

How does the power consumption of this receiver impact battery life?

With a typical current consumption of approximately 3.2 mA at 3 V, the receiver is optimized for low power operation. This efficiency helps extend battery life in portable or remote devices, making it well-suited for applications where power availability is limited.

What type of modulation schemes are compatible with this device?

This receiver supports amplitude shift keying (ASK) and on-off keying (OOK) modulation methods, common in low-data-rate wireless communication systems for simple and robust data transmission.

How does the integrated PLL and superheterodyne design benefit signal reception?

The integrated PLL-based superheterodyne architecture enhances selectivity and sensitivity, reducing interference and noise. This approach improves the receiver??s ability to demodulate weak signals reliably, even in environments with competing RF sources.

What are the typical external components required for this device?

The design minimizes external component count, typically requiring only an antenna, a few passive components for filtering and matching, and a crystal oscillator. This simplicity reduces overall system complexity and PCB space usage.