400 MHz – 4 GHz Low Noise Amplifier

Preliminary Technical Data

ADL5521

FEATURES

Gain of 15.3dB at 1950MHz

Matched 50-

Ω input and output

Noise Figure of 0.8dB at 1950MHz

OIP3 of 35.3dBm typ at 1950MHz

Single 5V Supply Operation

Operating current of 65ma at +5V

LFCSP 3x3 mm Package

GENERAL DESCRIPTION

The ADL5521 is a high performance GaAs pHEMT low-noise

amplifier. It provides high gain and low noise figure for single

down-conversion IF sampling receiver architectures as well as

direct down conversion receivers.

The ADL5521 amplifier comes in a compact, thermally

enhanced 3x3mm LFCSP package and operates over the

temperature range of −40°C to +85°C.

Rev. Pr

A

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FUNCTIONAL BLOCK DIAGRAM

VBIAS

BIAS

ADL5521

Figure 1.

VDD

INP

OUT

GND

GND

.

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