The HMC271LP4 is a 5-bit positive control GaAs IC digital attenuator with serial-to-parallel drivers in low cost leadless QFN 4x4 mm SMT packages. Covering 0.7 to 3.7 GHz, the insertion loss is typically less than 2.5 dB.
The HMC271LP4 and HMC271LP4E are broadband 5-bit positive control GaAs IC digital attenuators designed for frequencies from 0.7 to 3.7 GHz. These devices feature 1 dB LSB steps up to a total attenuation of 31 dB and are housed in low-cost 4x4 mm leadless QFN packages. They utilize a CMOS compatible serial data interface for control.
| Frequency Range | 0.7 - 3.7 GHz |
|---|---|
| Attenuation Range | 31 dB |
| Attenuation Accuracy | +0.4 dB typical |
| Operating Temperature | -40 to +85 °C |
| Package Type | 4x 4mm QFN Plastic Package |
The attenuator provides 1 dB LSB steps.
The device operates over a frequency range from 0.7 to 3.7 GHz.