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AFE5805 - 8-CHANNEL ANALOG FRONT-END

General Description

The AFE5805 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.
  • Ultra-Low, Full-Channel Noise:.
  • 0.85nV/√Hz (TGC).
  • 1.1nV/√Hz (CW).
  • Low Power:.
  • 122mW/Channel (40MSPS).
  • 74mW/Channel (CW Mode).
  • Low-Noise Pre-Amp (LNA):.
  • 0.75nV/√Hz.
  • 20dB Fixed Gain.
  • 250mVPP Linear Input Range.
  • Variable-Gain Amplifier:.
  • Gain Control Range: 46dB.
  • PGA Gain Settings: 20dB, 25dB, 2.

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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
AFE5805 www.ti.com SBOS421D – MARCH 2008 – REVISED MARCH 2010 FULLY-INTEGRATED, 8-CHANNEL ANALOG FRONT-END FOR ULTRASOUND 0.85nV/√Hz, 12-Bit, 50MSPS, 122mW/Channel Check for Samples: AFE5805 FEATURES 1 •23 8-Channel Complete Analog Front-End: – LNA, VCA, PGA, LPF, and ADC • Ultra-Low, Full-Channel Noise: – 0.85nV/√Hz (TGC) – 1.1nV/√Hz (CW) • Low Power: – 122mW/Channel (40MSPS) – 74mW/Channel (CW Mode) • Low-Noise Pre-Amp (LNA): – 0.75nV/√Hz – 20dB Fixed Gain – 250mVPP Linear Input Range • Variable-Gain Amplifier: – Gain Control Range: 46dB • PGA Gain Settings: 20dB, 25dB, 27dB, 30dB • Low-Pass Filter: – Selectable BW: 10MHz, 15MHz – 2nd-Order • Gain Error: ±0.5dB • Channel Matching: ±0.