RFSA3715

Attenuators Overview

The RFSA3715 is a 7-bit digital step attenuator manufactured by Qorvo, designed for radio frequency applications. It provides a total attenuation range of 31.75 dB with a resolution of 0.25 dB per step. The device operates within a frequency range of 5 MHz to 4 GHz and maintains a standard 50 Ohm impedance. Key electrical specifications include an insertion loss of 1.5 dB. It supports a supply voltage between 3 V and 5 V and functions reliably across a temperature range of -40°C to +105°C. The component is housed in a 32-VFQFN package with an exposed pad.

Attenuators Feature Summary

• Provides precise digital control over signal attenuation levels using a 7-bit architecture.
• Maintains high linearity throughout the entire gain control range to preserve signal integrity.
• Operates effectively at frequencies up to 4 GHz with low insertion loss characteristics.

Attenuators Applications

• RF signal path management in wireless communication systems
• Calibration and testing equipment requiring variable attenuation
• Base station transceivers and receiver front-ends

Attenuators Procurement Notes

Verify current availability status as this component may be subject to discontinuation notices. Confirm that the required package type matches the design specifications. Ensure compliance with RoHS3 standards if applicable to the target market. Check for any product change notifications that might affect performance or pinout compatibility before finalizing procurement plans.

Attenuators Selection Notes

Select this component when a wide dynamic range with fine resolution is required for RF signal conditioning. Consider the operating frequency limit of 4 GHz against system requirements. Evaluate the thermal performance given the extended temperature range capability. Compare insertion loss metrics against other attenuators to ensure minimal signal degradation in the specific application circuit.

Attenuators Part Context

The RFSA3715 belongs to Qorvo's family of digital step attenuators, offering robust performance for RF engineering tasks. It serves as a critical passive-active hybrid component for managing signal power levels. The device complements other RF solutions by providing reliable, programmable attenuation without significant signal distortion.

Attenuators Replacement Considerations

The RFSA3715TR13 is a confirmed substitute part number representing the same device in reel packaging. Verify package compatibility when transitioning from bulk to tape-and-reel formats.

Attenuators FAQ

What is the minimum frequency of operation for the RFSA3715?

The minimum frequency of operation is 5 MHz.

Does the RFSA3715 maintain linearity across its full attenuation range?

Yes, it features high linearity over the entire 31.75 dB gain control range.