LTC2063 2µA Supply Current, Low IB, Zero-Drift Operational Amplifier FeaTuresDescripTion n Low Supply Current: 2μA Maximum The LTC®2063 is a single low power, zero-drift, 20kHz n Offset Voltage: 5μV Maximum amplifier. The LTC2063 enables high resolution measure- n Offset Voltage Drift: 0.02μV/°C Maximum ment at extremely low power levels. n Input Bias Current Typical supply current is 1.4µA with a maximum of 2µA. n 3pA Typical The available shutdown mode has been optimized to mini- n 30pA Maximum, –40°C to 85°C mize power consumption in duty-cycled applications and n 100pA Maximum, –40°C to 125°C features low charge loss during power-up, reducing total n Integrated EMI Filter (114dB Rejection at 1.8GHz) system power. n Shutdown Current: 170nA Maximum n Rail-to-Rail Input and Output The LTC2063’s self-calibrating circuitry results in very low n 1.7V to 5.25V Operating Supply Range input offset (5µV max) and offset drift (0.02µV/°C). The n A maximum input bias current is only 20pA and does not VOL: 140dB Typical n Low-Charge Power-Up for Duty Cycled Applications exceed 100pA over the full specified temperature range. n Specified Temperature Ranges: The extremely low input bias current of the LTC2063 al- n –40°C to 85°C lows the use of high value power-saving resistors in the n –40°C to 125°C feedback network. n 6-Lead SC70, 5-Lead TSOT-23 Packages With its ultralow quiescent current and outstanding pre- cision, the LTC2063 can serve as a signal chain building applicaTions block in portable, energy harvesting and wireless sensor n Signal Conditioning in Wireless Mesh Networks applications. n Portable Instrumentation Systems The LTC2063 is available in 6-lead SC70 and 5-lead TSOT- n Low-Power Sensor Conditioning 23 packages and is fully specified over the –40°C to 85°C n Gas Detection and –40°C to 125°C temperature ranges. n Temperature Measurement n Medical Instrumentation L, LT, LTC, LTM, Linear Technology, SmartMesh and the Linear logo are registered trademarks n Energy Harvesting Applications of Analog Devices, Inc. All other trademarks are the property of their respective owners. n Low Power Current Sensing Typical applicaTionMicropower Precision Oxygen SensorDuty Cycle Lowers System Power 10M 0.1% 100k 1.8V 0.1% OXYGEN SENSOR – CHARGE CITY TECHNOLOGY 20nC/DIV 40XV 100k LTC2063 0.1% + V V OUT OUT = 1V IN AIR 1V/DIV 100Ω ISUPPLY = 1.4µA (ENABLED) 0.1% 90nA (SHUTDOWN) V V SHDN SHDN 2V/DIV 2063 TA01b www.citytech.com 40ms/DIV 2063 TA01 2063f For more information www.linear.com/LTC2063 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Typical Applications Typical Application Related Parts
