AD8506ARMZ-R7

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1. DESCRIPTION

The AD8506ARMZ-R7 are single, dual, and quad micropower amplifiers featuring rail-to-rail input/output swings while operating from a single 1.8 V to 5 V power supply or from dual ±0.9 V to ±2.5 V power supplies. Using a new circuit technology, these amplifiers offer zero input crossover distortion (excellent PSRR and CMRR performance) and low bias current while operating with a supply current of less than 20 μA per amplifier. This amplifier family offers the lowest noise in its power class. This combination of features makes the AD8506ARMZ-R7 amplifiers ideal choices for battery-powered applications because they minimize errors due to power supply voltage variations over the lifetime of the battery and maintain high CMRR even for a railto-rail input op amp. Remote battery-powered sensors, handheld instrumentation, consumer equipment, hazard detection (for example, smoke, fire, and gas), and patient monitors can benefit from the features of the AD8506ARMZ-R7 amplifiers. The AD8506ARMZ-R7 are specified for both the industrial temperature range of −40°C to +85°C and the extended industrial temperature range of −40°C to +125°C. The AD8505 single amplifier is available in a tiny 5-lead SOT-23 and a 6-ball WLCSP packages. The AD8506 dual amplifier is available in 8-lead MSOP and 8-ball WLCSP packages. The AD8508 quad amplifier is available in 14-lead TSSOP and 14-ball WLCSP packages. The AD8506ARMZ-R7 are members of a growing series of zero crossover distortion op amps offered by Analog Devices, Inc., including the ADA4505-1/ADA4505-2/ADA4505-4, that operate from a single 1.8 V to 5 V supply or from dual ±0.9 V to ±2.5 V power supplies. 

2. FEATURES

    1. PSRR: 100 dB minimum

    2. CMRR: 105 dB typical

    3. Very low supply current: 20 μA per amplifier maximum

    4. 1.8 V to 5 V single supply or ±0.9 V to ±2.5 V dual supply

    5. Rail-to-rail input/output

    6. Low noise: 45 nV/√Hz at 1 kHz

    7. 2.5 mV offset voltage maximum

    8. Very low input bias current: 1 pA typical

3. APPLICATIONS

    1. Pressure and position sensors

    2. Remote security

    3. Bio sensors

    4. IR thermometers

    5. Battery-powered consumer equipment

    6. Hazard detectors