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MAX2078 Datasheet Octal-Channel Ultrasound Front-End

Manufacturer: Maxim Integrated (now Analog Devices)

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General Description

The MAX2078 octal-channel ultrasound front-end is a fully integrated bipolar, high-density octal-channel ultrasound receiver optimized for low cost, high-channel count, high-performance portable and cart-based ultrasound systems.

The easy-to-use IC allows the user to achieve high-end 2D, PW, and CW Doppler (CWD) imaging capability using substantially less space and power.

The highly compact imaging receiver lineup, including low-noise amplifier (LNA), variable-gain amplifier (VGA), and anti-alias filter (AAF), achieves an ultra-low 2.4dB noise figure at RS = RIN = 200Ω at a very low 64.8mW per channel power dissipation.

Overview

19-4570; Rev 0; 6/09 www.DataSheet4U.com Octal-Channel Ultrasound Front-End with CW Doppler.

Key Features

  • o 8 Full Channels of LNA, VGA, AAF, and CWD Mixers in a Small, 10mm x 10mm TQFN Package o Pin Compatible with MAX2077 with LNA, VGA, and AAF in 10mm x 10mm TQFN Variant o Ultra-Low Full-Channel Noise Figure of 2.4dB at RIN = RS = 200Ω o Low Output-Referred Noise of 23nV/√Hz at 5MHz, 20dB Gain, Yielding a Broadband SNR of 68dB.
  • for Excellent Second-Harmonic Imaging o High Near-Carrier SNR of 140dBc/Hz at 1kHz Offset from a 5MHz, 1VP-P Output Signal, and 20dB of Gain for Excellent Low-Vel.

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