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AFE5804 - 8-CHANNEL ANALOG FRONT-END

General Description

The AFE5804 is a complete analog front-end device specifically designed for ultrasound systems that require low power and small size.

Key Features

  • 1.
  • 23 8-Channel Complete Analog Front-End:.
  • LNA, VCA, PGA, LPF, and ADC.
  • Mode Control for Power/Noise Optimization:.
  • Low Noise (Full-Channel): 0.89nV/√Hz (TGC Mode I) 1.23nV/√Hz (TGC Mode II) 1.03nV/√Hz (PW Mode).
  • Ultra-Low Power: 101mW/Channel (TGC Mode II) 65mW/Channel (CW Mode).
  • Low-Noise Pre-Amp (LNA):.
  • 0.75nV/√Hz.
  • 20dB Fixed Gain.
  • 280mVPP Linear Input Range.
  • Variable-Gain Amplifier:.
  • Gain Contr.

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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.

View original datasheet text
AFE5804 www.ti.com SBOS442C – JUNE 2008 – REVISED OCTOBER 2011 FULLY-INTEGRATED, 8-CHANNEL ANALOG FRONT-END FOR ULTRASOUND 0.89nV/√Hz, 12-Bit, 40MSPS, 101mW/Channel Check for Samples: AFE5804 FEATURES 1 •23 8-Channel Complete Analog Front-End: – LNA, VCA, PGA, LPF, and ADC • Mode Control for Power/Noise Optimization: – Low Noise (Full-Channel): 0.89nV/√Hz (TGC Mode I) 1.23nV/√Hz (TGC Mode II) 1.03nV/√Hz (PW Mode) – Ultra-Low Power: 101mW/Channel (TGC Mode II) 65mW/Channel (CW Mode) • Low-Noise Pre-Amp (LNA): – 0.75nV/√Hz – 20dB Fixed Gain – 280mVPP Linear Input Range • Variable-Gain Amplifier: – Gain Control Range: 46dB • PGA Gain Settings: 20dB, 25dB, 27dB, 30dB • Low-Pass Filter: – Selectable BW: 12.5MHz, 17MHz – 2nd-Order, Bessel • Gain Error: ±0.5dB • Channel Matching: ±0.