Features: Low Offset Voltage: 10 V max.Offset Drift: 0.08 V/Rail-to-Rail Output16V Single or ±8V Dual Supply OperationHigh Gain and CMRR: 140dBHigh PSRR: 140 dBVery Low Input Bias Current: 100 pALow Supply Current: 1.4 mA/ampApplicationPressure and Position SensorsStrain Gage AmplifiersMedical Ins...
AD8638: Features: Low Offset Voltage: 10 V max.Offset Drift: 0.08 V/Rail-to-Rail Output16V Single or ±8V Dual Supply OperationHigh Gain and CMRR: 140dBHigh PSRR: 140 dBVery Low Input Bias Current: 100 pALow...
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-3dB Bandwidth | 1.5MHz |
Slew Rate | 2V/s |
Vos | 3V |
Ib | 1pA |
Input Noise (nV/rtHz) | 59nV/rtHz |
Vcc-Vee Supply (V) | 5 to 16 |
Iq per Amplifier | 1.5mA |
# OpAmps per Pkg | 1 |
Operating Temp Range | -40 to +125 |
Packages | SOIC,SOT-23 |
The AD8638 is a wide bandwidth auto-zero amplifiers featuring rail-to-rail output swing while operating from 5 V to 16 V single supply or +/−2.5 V to ±8V dual supplies.
Using Analog Devices' new topology these zero-drift amplifiers combine low cost, with high accuracy and low noise. No external capacitors are required. In addition, the AD8638 family greatly reduces the digital switching noise often found in chopper-stabilized amplifiers.
With an offset voltage of 10 V, offset drift less than 0.08 V/ and noise of only 1.5 Vp-p (0 Hz to 10 Hz), the AD8638 family is perfectly suited for applications where error sources must be minimized. Position and pressure sensors, thermocouple and thermopile detectors, and strain gage amplifiers benefit greatly from nearly zero drift over their operating temperature range.
The AD8638 family is specified for the extended industrial (-40 to +125) temperature range. The AD8638 is available in SOT-23 and SOIC.