LTC2050/LTC2050HV Zero-Drift Operational Amplifiers in SOT-23 FEATURESDESCRIPTION n Maximum Offset Voltage of 3µV The LTC®2050 and LTC2050HV are zero-drift operational n Maximum Offset Voltage Drift of 30nV/°C amplifiers available in the 5- or 6-lead SOT-23 and SO-8 n Noise: 1.5µVP-P (0.01Hz to 10Hz Typ) packages. The LTC2050 operates from a single 2.7V to n Voltage Gain: 140dB (Typ) 6V supply. The LTC2050HV operates on supplies from n PSRR: 130dB (Typ) 2.7V to ±5.5V. The current consumption is 800µA and n CMRR: 130dB (Typ) the versions in the 6-lead SOT-23 and SO-8 packages n Supply Current: 0.8mA (Typ) offer power shutdown (active low). The LTC2050HVMP n Supply Operation offer operating range from 4.5V to ±5.5V and operating n LTC2050: 2.7V to 6V temperature range of – 55°C to 150°C. n LTC2050HV: 2.7V to ±5.5V The LTC2050, despite its miniature size, features uncom- n LTC2050HVMP: 4.5V to ±5.5V promising DC performance. The typical input offset volt- n Extended Common Mode Input Range age and offset drift are 0.5µV and 10nV/°C. The almost n Output Swings Rail-to-Rail zero DC offset and drift are supported with a power sup- n Input Overload Recovery Time: 2ms (Typ) ply rejection ratio (PSRR) and common mode rejection n Operating Temperature Range ratio (CMRR) of more than 130dB. n LTC2050: –40°C to 125°C n LTC2050HVMP: –55°C to 150°C The input common mode voltage ranges from the nega- n Low Profile (1mm) SOT-23 (ThinSOT™) Package tive supply up to typically 1V from the positive supply. The LTC2050 also has an enhanced output stage capable APPLICATIONS of driving loads as low as 2kΩ to both supply rails. The open-loop gain is typically 140dB. The LTC2050 also n Thermocouple Amplifiers features a 1.5µV n P-P DC to 10Hz noise and a 3MHz gain Electronic Scales bandwidth product. n Medical Instrumentation All registered trademarks and trademarks are the property of their respective owners. Protected n Strain Gauge Amplifiers by U.S. patents, including 5481178. n High Resolution Data Acquisition n DC Accurate RC Active Filters n Low Side Current Sense TYPICAL APPLICATIONDifferential Bridge AmplifierInput Referred Noise 0.1Hz to 10Hz 5V 5V 2 50Ω 0.1µF GAIN 0.1µF TRIM 1 18.2k 350Ω 0 4 (µV) STRAIN – 5 GAUGE 1 LTC2050HV AV = 100 3 + –1 2 0.1µF 18.2k –2 0 2 4 6 8 10 2050 TA01a TIME (SEC) –5V 2050 TA01b Rev. E Document Feedback For more information www.analog.com 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Test Circuits Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
