ADA4051-2ARMZ-R7

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1. DESCRIPTION

The ADA4051-2ARMZ-R7 are CMOS, micropower, zerodrift operational amplifiers utilizing an innovative chopping technique. These amplifiers feature rail-to-rail input/output swing and extremely low offset voltage while operating from a 1.8 V to 5.5 V power supply. In addition, these amplifiers offer high power supply rejection ratio (PSRR) and common-mode rejection ratio (CMRR) while operating with a typical supply current of 13 μA per amplifier. This combination of features makes the ADA4051-2ARMZ-R7 amplifiers ideal choices for battery-powered applications where high precision and low power consumption are important.  The ADA4051-2ARMZ-R7 are specified for the extended industrial temperature range of −40°C to +125°C. The ADA4051-2ARMZ-R7 amplifier is available in 5-lead SOT-23 and 5-lead SC-70 packages. The ADA4051-2ARMZ-R7 amplifier is available in an 8 lead MSOP and an 8-lead LFCSP.

2. FEATURES

    1. Very low supply current: 13 μA typical

    2. Low offset voltage: 15 μV maximum

    3. Offset voltage drift: 20 nV/°C

    4. Single-supply operation: 1.8 V to 5.5 V

    5. High PSRR: 110 dB minimum

    6. High CMRR: 110 dB minimum

    7. Rail-to-rail input/output

    8. Unity-gain stable

    9. Extended industrial temperature range

3. APPLICATIONS

    1. Pressure and position sensors

    2. Temperature measurements

    3. Electronic scales

    4. Medical instrumentation

    5. Battery-powered equipment

    6. Handheld test equipment