Device Information
 
 
EL8173 Printer Friendly Version
 
Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifier
 
Datasheets,
Related Docs
& Simulations		DescriptionKey
Features		Parametric
Data		Application
Diagrams		Related
Devices
 
 
Ordering Information
Green/Pb(Lead free) Device  Available in RoHS/Pb-Free
 Buy direct from Intersil  Check distributor inventory  Request samples
Part No. Design-In
Status		 Temp. Package MSL Price
US $		 PB Free
EL8173FSZ Active Full-Range Ind 8 Ld SOIC 3 0.84 PB Free iBuy Disti-Buy Sample
EL8173FSZ-T7 Active Full-Range Ind 8 Ld SOIC T+R 3 0.84 PB Free iBuy Disti-Buy  
EL8173IS InActive Ind 8 Ld SOIC 1 Contact Us  iBuy    
EL8173IS-T13 InActive Ind 8 Ld SOIC T+R 1 Contact Us  iBuy    
EL8173IS-T7 InActive Ind 8 Ld SOIC T+R 1 Contact Us  iBuy    
EL8173ISZ InActive Ind 8 Ld SOIC 3 Contact Us PB Free iBuy    
EL8173ISZ-T13 InActive Ind 8 Ld SOIC T+R 3 Contact Us PB Free iBuy    
EL8173ISZ-T7 InActive Ind 8 Ld SOIC T+R 3 Contact Us PB Free iBuy    
The price listed is the manufacturer's suggested retail price for quantities of 1K units. However, prices in today's market are fluid and may change without notice.
MSL = Moisture Sensitivity Level - per IPC/JEDEC J-STD-020
SMD = Standard Microcircuit Drawing
 
  Description

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.

 
  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 available (RoHS compliant)
Related Documentation
 
Application Note(s)   Application Note(s):
 
Datasheet(s)   Datasheet(s):
 
Technical Homepage   Technical Homepage:
 
 
  Parametric Data
BW (MHz).396
SR (V/μs).5
VS (min) (V)2.9
VS (max) (V)5
IS (per amp) (mA).078
Noise VN (nV/√Hz)200
IBIAS (μA).0007
VOS (max) (mV)1
# of Devices/ Channels1
IOUT (mA)29
VOUT (V)5.5
Rail-to-Rail InputY
Rail-to-Rail OutputY
PSRR (dB)90
CMRR (dB)104
Gain AV (min)10
EnableY
Gain Error (%).1
 
  Application Block Diagrams
 
 
 
Applications
 
  • Battery- or solar-powered systems
  • Strain gauges
  • Current monitors
  • Thermocouple amplifiers
 
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