XPT2234

Features  LOW OFFSET VOLTAGE: 10 μV (Max)  ZERO DRIFT: 0.008 µV/°C  0.1Hz to 10Hz Noise: 1.1 µVPP  Low Supply Current: 34µA per Amplifier  Bandwidth: 350 kHz  Slew Rate: 0.16 V/μs  High Gain, 130 dB High CMRR and PSRR  Rail-to-rail Input and Output Swing  –40°C to 125°C Operation Range  Small Packages: SC70 and SOT23 (;3731) Applications  Transducer Amplifier  Bidirectional Current Sense  DC Offset Correction  Temperature Measurement  Remote Located Sensors  Battery-Powered Instruments  Electronic Weigh Scales Pin Configuration (Top View) Description The XPTEK XPT2231/2/4 low-power chopper stabilized operational amplifiers provide input offset voltage correction for very low offset and offset drift over time and temperature. The devices operate with a single supply voltage as low as 1.8V, while drawing 34μA per amplifier of quiescent current with a gain bandwidth product of 350kHz. They are unity gain stable, have no 1...