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EL8173 Datasheet Rail-to-rail Input-output Instrumentation Amplifier

Manufacturer: Renesas

Overview: DATASHEET EL8170, EL8173 Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifiers FN7490 Rev 8.00 August 11, 2015 The EL8170 and EL8173 are micropower instrumentation amplifiers optimized for single supply operation over the +2.4V to +5.5V range. Inputs and outputs can operate rail-to-rail. As with all instrumentation amplifiers, a pair of inputs provide very high common-mode rejection and are completely independent from a pair of feedback terminals. The feedback terminals allow zero input to be translated to any output offset, including ground. A feedback divider controls the overall gain of the amplifier. The EL8170 is compensated for a gain of 100 or more, and the EL8173 is compensated for a gain of 10 or more. The EL8170 and EL8173 have bipolar input devices for best offset and 1/f noise performance. The amplifiers can be operated from one lithium cell or two Ni-Cd batteries. The EL8170 and EL8173 input range includes ground to slightly above positive rail. The output stage swings to ground and positive supply (no pull-up or pull-down resistors are needed).

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • 95µA maximum supply current.
  • Maximum offset voltage - 200µV (EL8170) - 1000µV (EL8173).
  • Maximum 3nA input bias current.
  • 396kHz -3dB bandwidth (G = 10).
  • 192kHz -3dB bandwidth (G = 100).
  • Single supply operation - Input voltage range is rail-to-rail - Output swings rail-to-rail.
  • Pb-Free (RoHS Compliant).

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