MICRF004BM

RF Receivers Overview

The MICRF004BM is a low-power VHF receiver from Micrel Inc., designed for OOK modulation within the 140MHz to 200MHz frequency range. It features automatic tuning capabilities and operates on a supply voltage of 4.75V to 5.5V. The device supports data rates up to 10kbps with a sensitivity of -80dBm. Packaged in a 16-SOP surface-mount format, it functions across an operating temperature range of -40°C to 85°C.

RF Receivers Feature Summary

• Automatic tuning functionality for simplified integration
• Low-power operation suitable for battery-constrained systems
• Surface-mount packaging for compact PCB designs

RF Receivers Applications

• Remote control systems
• Keyless entry applications
• Low-bandwidth wireless telemetry

RF Receivers Procurement Notes

Verify the manufacturer origin, as sources may list both Micrel and Microchip due to corporate acquisition history. Confirm the specific package variant matches the SOP-16 requirement. Ensure the supplier provides valid RoHS compliance documentation. Cross-reference the part number against official distributor catalogs to avoid counterfeit components. Validate that the received units match the specified electrical characteristics.

RF Receivers Selection Notes

Select this component when designing systems requiring simple OOK demodulation in the VHF band. It is appropriate for applications where low data throughput is acceptable. Consider the automatic tuning feature if manual calibration is undesirable. Evaluate power consumption requirements against the low-power specifications. Ensure the operating environment falls within the specified temperature range.

RF Receivers Part Context

This receiver belongs to the QwikRadio family of low-power VHF receivers. These components are engineered for cost-effective wireless connectivity solutions. The series targets markets needing reliable short-range communication without complex protocol stacks. The MICRF004BM represents a specific configuration optimized for the 140-200MHz spectrum.

RF Receivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.