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AD8284 Datasheet 4-channel Mux

Manufacturer: Analog Devices

Overview: Data Sheet Radar Receive Path AFE: 4-Channel Mux with LNA, PGA, AAF, and ADC.

General Description

The AD8284 is an integrated analog front end designed for low cost, pact size, flexibility, and ease of use.

It contains a 4-channel differential multiplexer (mux), a 1-channel low noise preamplifier (LNA) with a programmable gain amplifier (PGA) and an antialiasing filter (AAF), as well as one direct-to-ADC channel, all integrated with a single, 12-bit analog-to-digital converter (ADC).

The AD8284 also incorporates a saturation detection circuit for high frequency overvoltage conditions that would otherwise be filtered by the AAF.

Key Features

  • 4-channel mux to LNA, PGA, AAF 1 direct-to-ADC channel Programmable gain amplifier (PGA) Includes low noise preamplifier (LNA) SPI-programmable gain = 17 dB to 35 dB in 6 dB steps Antialiasing filter (AAF) Programmable third-order low-pass elliptic filter (LPF) from 9 MHz to 15 MHz Analog-to-digital converter (ADC) 12 bits of accuracy of up to 60 MSPS SNR = 67 dB SFDR = 68 dBc Low power, 345 mW at 12 bits per 60 MSPS Low noise, 3.5 nV/√Hz maximum of input referred voltage noise Power-down mode 6.

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AD8284 Distributor