SA58641DK,118

RF Mixers Overview

The SA58641DK,118 is a high-performance monolithic FM IF system by NXP Semiconductors, designed for high-bandwidth portable communication applications. It incorporates a mixer/oscillator, two limiting intermediate frequency amplifiers, and a high-speed RSSI. The device operates on a supply voltage of 4.5 V to 5.5 V and functions down to 3 V. It supports RF types including Cellular, ASK, DECT, FSK, UHF, and VHF, with an up-converter capability. The component features a noise figure of 12 dB and contains two mixers. It is housed in a 20-SSOP package and operates within a temperature range of -40°C to +85°C.

RF Mixers Feature Summary

• Integrates a mixer/oscillator and dual limiting IF amplifiers for complete FM signal processing
• Includes high-speed Received Signal Strength Indicator (RSSI) functionality
• Supports multiple RF modulation standards including ASK, DECT, and FSK
• Designed for high-bandwidth portable communication systems

RF Mixers Applications

• High-bandwidth portable communication devices
• FM receiver systems requiring integrated IF processing
• Applications utilizing ASK, DECT, or FSK modulation schemes

RF Mixers Procurement Notes

Verify the current lifecycle status, as this component may be discontinued. Confirm that the 20-SSOP package matches your PCB footprint requirements. Ensure the operating voltage range of 4.5 V to 5.5 V aligns with your system design. Check for RoHS compliance documentation if required for your specific manufacturing standards. Validate that the -40°C to +85°C operating temperature range suits your environmental conditions.

RF Mixers Selection Notes

Select this component when a single-chip solution for FM IF processing is required. It is suitable for designs needing integrated mixing, oscillation, and signal strength monitoring. Consider the 20-SSOP package size for space-constrained portable applications. Verify compatibility with the target RF frequencies and modulation types such as cellular, UHF, or VHF bands before integration.

RF Mixers Part Context

The SA58641 series represents NXP's high-performance FM IF systems. The SA58641DK variant specifically denotes the version packaged in a 20-SSOP format. This family is engineered for robust performance in portable radio equipment, offering a compact alternative to discrete component solutions while maintaining high signal integrity and low power consumption characteristics.

RF Mixers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the product status is listed as discontinued, consult official NXP channels for potential obsolescence management or approved replacement recommendations.