SA58641DK,112

RF Mixers Overview

The SA58641DK,112 is a high-performance monolithic FM IF system by NXP USA Inc., designed for high-bandwidth portable communication applications. It incorporates a mixer/oscillator and two limiting intermediate frequency amplifiers with high-speed RSSI functionality. The device operates on a supply voltage of 4.5 V to 5.5 V and functions down to 3 V. Key electrical parameters include an RF frequency of 500 MHz, a gain of 11 dB, and a noise figure of 12 dB. It supports various modulation types including Cellular, ASK, DECT, FSK, UHF, and VHF. The component is housed in a 20-SSOP surface-mount 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 into a single monolithic structure.
• Features high-speed Received Signal Strength Indicator (RSSI) capability.
• Supports multiple RF modulation standards including DECT, FSK, and cellular bands.

RF Mixers Applications

• High-bandwidth portable communication systems
• FM intermediate frequency processing circuits
• RF up-conversion modules for UHF/VHF applications

RF Mixers Procurement Notes

Verify current availability status as the product line may be discontinued or subject to limited stock. Confirm that the ordering suffix ,112 corresponds to the specific tape-and-reel packaging variant if required for automated assembly processes. Ensure compatibility with existing 20-SSOP footprint designs during procurement planning.

RF Mixers Selection Notes

Select this component for applications requiring integrated FM IF processing with RSSI feedback. Consider the 4.5 V to 5.5 V operating range and SSOP-20 package constraints. Evaluate thermal performance within the specified -40°C to +85°C range. Verify that the 500 MHz RF frequency and 11 dB gain meet system signal chain requirements.

RF Mixers Part Context

This part belongs to NXP's portfolio of wireless and RF integrated circuits, specifically targeting FM IF systems. It serves as a specialized solution for portable radio equipment, combining mixing, oscillation, and amplification functions. The design focuses on high performance in compact surface-mount packages suitable for consumer electronics and professional communication devices.

RF Mixers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official NXP replacement guides or contact manufacturer support directly for legacy component alternatives.