MAAD-008866-TR3000

Overview

The MAAD-008866-TR3000 is a 6-bit digital attenuator from MACOM Technology Solutions, designed for 75 Ohm systems. It operates within a frequency range of 5 MHz to 3000 MHz. The device provides an attenuation range from 0.5 dB to 31.5 dB with precise 0.5 dB step resolution. Key electrical characteristics include a maximum insertion loss of 1.4 dB and a typical return loss of 20 dB. It is housed in a lead-free 4 mm PQFN-24LD surface mount package.

Feature Summary

• Provides 6-bit digital control for precise signal attenuation
• Engineered specifically for 75 Ohm impedance applications
• Operates across a wide frequency band up to 3 GHz
• Utilizes a compact lead-free surface mount package

Applications

• Cable television distribution networks
• RF test and measurement equipment
• Broadband communication infrastructure
• Signal conditioning in 75 Ohm RF circuits

Procurement Notes

Verify the specific suffix TR3000 corresponds to the tape and reel packaging configuration required for automated assembly processes. Confirm that the 75 Ohm impedance specification aligns with your system design, as this component is distinct from standard 50 Ohm variants. Ensure compatibility with the 4 mm PQFN-24LD footprint during PCB layout verification. Check current availability status through authorized distributors, as supply levels may fluctuate.

Selection Notes

Select this component when designing systems requiring precise digital attenuation in 75 Ohm environments. It is suitable for applications demanding low insertion loss and high linearity across the 5 MHz to 3 GHz spectrum. Consider the 0.5 dB step resolution for fine-tuning signal levels. Evaluate the thermal performance and power handling capabilities against your specific operational requirements before integration.

Part Context

This part belongs to MACOM's family of GaAs digital attenuators. It complements other models like the MAAM series amplifiers and MASWSS switch components. The device supports modern RF designs needing reliable signal control in cable and broadband sectors. Its digital interface allows for easy integration with microcontrollers or FPGA-based control logic.

Replacement Considerations

MAAD-008866-TR3000

FAQ

What is the attenuation resolution of the MAAD-008866?

The device offers a fixed step resolution of 0.5 dB.

Is this component compatible with 50 Ohm systems?

No, it is specifically designed for 75 Ohm impedance applications.