SA614AD/01,112

Overview

The SA614AD/01,112 is a monolithic low-power FM intermediate frequency (IF) system manufactured by NXP Semiconductors. It integrates two limiting IF amplifiers, a quadrature detector, and muting functionality within a single chip. The device operates with a minimum supply voltage of 4.5 V and supports an operating temperature range from -40 °C to +85 °C. Packaged in a 16-pin SOIC format, it is designed for cellular, ASK, and FSK applications at 25 MHz with RSSI capability.

Feature Summary

• Integrates dual limiting intermediate frequency amplifiers for signal processing
• Includes a built-in quadrature detector for FM demodulation
• Features muting functionality to control audio output

Applications

• Cellular communication systems
• Amplitude Shift Keying (ASK) receivers
• Frequency Shift Keying (FSK) receivers

Procurement Notes

Verify component authenticity through authorized distributors as the part is listed as obsolete or discontinued. Confirm current availability status and check for valid replacement part numbers provided by NXP before procurement. Ensure storage conditions meet specified temperature ranges to maintain integrity.

Selection Notes

Select this component for low-power FM IF applications requiring integrated amplification and detection. Consider the 16-SOIC package constraints and 4.5 V minimum supply requirement. Evaluate thermal performance within the -40 °C to +85 °C range for environmental compatibility.

Part Context

This IC belongs to the NE/SA614A family of improved monolithic low-power FM IF systems. It serves as a specialized RF receiver solution combining critical analog stages into a compact form factor, distinct from general-purpose amplifiers.

Replacement Considerations

Reference SA614AD/01,118 as a potential variant. Consult official NXP discontinuation notices for confirmed substitute part numbers.