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ADRF6516 Datasheet Dual Programmable Filters

Manufacturer: Analog Devices

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General Description

The ADRF6516 is a matched pair of fully differential, low noise and low distortion programmable filters and variable gain amplifiers (VGAs).

Each channel is capable of rejecting large out-of-band interferers while reliably boosting the desired signal, thus reducing the bandwidth and resolution requirements on the analog-to-digital converters (ADCs).

The excellent matching between channels and their high spurious-free dynamic range over all gain and bandwidth settings make the ADRF6516 ideal for quadrature-based (IQ) communication systems with dense constellations, multiple carriers, and nearby interferers.

Overview

Data Sheet.

Key Features

  • Matched pair of programmable filters and VGAs Continuous gain control range: 50 dB Digital gain control: 15 dB 6-pole Butterworth filter: 1 MHz to 31 MHz in 1 MHz steps, 1 dB corner frequency Preamplifier and postamplifier gain steps IMD3: >65 dBc for 1.5 V p-p composite output HD2, HD3: >65 dBc for 1.5 V p-p output Differential input and output Flexible output and input common-mode ranges Optional dc offset compensation loop SPI programmable filter corners and gain steps Power-down feature Sing.

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