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EL8172

Renesas
Part Number EL8172
Manufacturer Renesas
Description Rail-to-Rail Input-Output Instrumentation Amplifier
Published May 29, 2020
Detailed Description DATASHEET EL8171, EL8172 Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifiers FN6293 Rev 6....
Datasheet PDF File EL8172 PDF File

EL8172
EL8172

Overview
DATASHEET EL8171, EL8172 Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifiers FN6293 Rev 6.
00 October 9, 2015 The EL8171 and EL8172 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 EL8172 is compensated for a gain of 100 or more, and the EL8171 is compensated for a gain of 10 or more.
The EL8171 and EL8172 have PMOS input devices that provide sub-nA input bias currents.
The amplifiers can be operated from one lithium cell or two Ni-Cd batteries.
The EL8171 and EL8172 input range goes from below ground to slightly above positive rail.
The output stage swings completely to ground (ground sensing) or positive supply - no pull-up or pull-down resistors are needed.
Pinout EL8171, EL8172 (8 LD SOIC) TOP VIEW DNC 1 +- 8 FB+ IN- 2 +-  7 V+ IN+ 3 6 VOUT V- 4 5 FB- Features • 95µA maximum supply current • Maximum input offset voltage - 300µV (EL8172) - 1500µV (EL8171) • 50pA maximum input bias current • 450kHz -3dB bandwidth (G = 10) • 170kHz -3dB bandwidth (G = 100) • Single supply operation - Input voltage range is rail-to-rail - Output swings rail-to-rail - Ground sensing • Pb-free (RoHS compliant) Applications • Battery- or solar-powered systems • Strain gauges • Current monitors • Thermocouple amplifiers Ordering Information PART NUMBER (Note) PART MARKING PACKAGE (Pb-free) PKG.
DWG.
# EL8171FSZ*(No 8171FSZ longer available, recommended replacement: EL8170FSZ-T7) 8 Ld SOIC MDP0027 EL8172FSZ* 8172FSZ 8 Ld SOIC MDP0027 *Add “-T7” suffix for tape and reel.
Please refer to TB347 for details on re...


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