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AD8237 Micropower, Zero Drift, True Rail-to-Rail Instrumentation Amplifier

ASCO ELECTRONIC GROUP CO.,LIMITED | Updated: Dec 20, 2017

News from :http://www.analog.com/en/products/amplifiers/instrumentation-amplifiers/ad8237.html#product-overview


AD8237 Micropower, Zero Drift, True Rail-to-Rail Instrumentation Amplifier

Application:Healthcare --- Clinical Monitoring

Product Details 

The AD8237 is a micropower, zero drift, rail-to-rail input and output instrumentation amplifier. The relative match of two resistors sets any gain from 1 to 1000. The AD8237 has excellent gain accuracy performance that can be preserved at any gain with two ratio-matched resistors.

The AD8237 employs the indirect current feedback architecture to achieve a true rail-to-rail capability. Unlike conventional in-amps, the AD8237 can fully amplify signals with common-mode voltage at or even slightly beyond its supplies. This enables applications with high common-mode voltages to use smaller supplies and save power.

The AD8237 is an excellent choice for portable systems. With a minimum supply voltage of 1.8 V, a 115 μA typical supply current, and wide input range, the AD8237 makes full use of a limited power budget, yet offers bandwidth and drift performance suitable for bench-top systems.

AD8237-fbl.jpg

Applications

  • Bridge amplification

  • Pressure measurement

  • Medical instrumentation

  • Thermocouple interface

  • Portable systems

  • Current measurement


Features and Benefits

  • Gain set with 2 external resistors
    Can achieve low gain drift at all gains

  • Ideal for battery powered instruments
    Supply current: 115 μA
    Rail-to-rail input and output
    Zero input crossover distortion

  • Designed for excellent dc performance
    Minimum CMRR: 106 dB 
    Maximum offset voltage drift:
    0.3 μV/°C
    See data sheet for additional features

  • Bandwidth mode pin (BW) to adjust compensation

  • 8 kV HBM ESD rating

  • RFI filter on-chip

  • Single-supply operation:
    1.8 V to 5.5 V

  • 8-lead MSOP package




Contact Us
ASCO ELECTRONIC GROUP CO.,LIMITED
Tel: +86-755-89678886
Mob:+86-13590407046
Address: RM4311 , 43/F , SEG Plaza , Huaqiang North RD , Futian District , SZ ,GD , CN 518000
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