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MAX2034 - Ultra-Low-Noise Amplifier

General Description

The MAX2034 four-channel, low-power, ultra-low-noise preamplifier is designed for ultrasound and medical instrumentation applications.

Each low-noise amplifier has a single-ended input, differential output, a highly accurate 19dB fixed gain, and a wide -3dB bandwidth of 70MHz.

Key Features

  • High-Level Integration of 4 Channels.
  • Digitally Programmable Input Impedance (RIN) of 50Ω, 100Ω, 200Ω, and 1kΩ.
  • Integrated Input Clamp.
  • Integrated Input-Damping Capacitor.
  • Ultra-Low 2.2dB Noise Figure at RS = RIN = 200Ω.
  • 70MHz, -3dB Bandwidth.
  • Low 58mW/Channel Power Dissipation.
  • HD2 of -68dBc at VOUT = 1VP-P and fIN = 5MHz for Exceptional Second Harmonic Imaging Performance.
  • Two-Tone Ultrasound-Specific.
  • IMD3 o.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-3969; Rev 1; 3/07 MAX2034 Quad-Channel, Ultra-Low-Noise Amplifier with Digitally Programmable Input Impedance General Description The MAX2034 four-channel, low-power, ultra-low-noise preamplifier is designed for ultrasound and medical instrumentation applications. Each low-noise amplifier has a single-ended input, differential output, a highly accurate 19dB fixed gain, and a wide -3dB bandwidth of 70MHz. The high-gain accuracy of the amplifier allows for exceptional channel-to-channel gain matching, which is necessary for high-performance ultrasound-imaging applications. The MAX2034 also includes an on-chip programmable input impedance feature that allows the device to be compatible with a variety of common source impedances ranging from 50Ω to 1kΩ.