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LTC2064 Datasheet(PDF) 1 Page - Analog Devices |
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LTC2064 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 32 page  LTC2063/LTC2064/LTC2065 1 Rev. C For more information www.analog.com Document Feedback TYPICAL APPLICATION FEATURES DESCRIPTION 2µA Supply Current, Low IB, Zero-Drift Operational Amplifiers The LTC®2063/LTC2064/LTC2065 are single, dual, and quad low power, zero-drift, 20kHz amplifiers. The LTC2063/LTC2064/LTC2065 enable high resolution mea- surement at extremely low power levels. Typical supply current is 1.4µA per amplifier with a max- imum of 2µA. The available shutdown mode has been optimized to minimize power consumption in duty-cycled applications and features low charge loss during pow- er-up, reducing total system power. The LTC2063/LTC2064/LTC2065’s self-calibrating cir- cuitry results in very low input offset (5µV max) and offset drift (0.02µV/°C). The maximum input bias current is only 20pA and does not exceed 100pA over the full specified temperature range. The extremely low input bias current of the LTC2063/LTC2064/LTC2065 allows the use of high value power-saving resistors in the feedback network. With its ultralow quiescent current and outstanding pre- cision, the LTC2063/LTC2064/LTC2065 can serve as a signal chain building block in portable, energy harvest- ing and wireless sensor applications. The LTC2063 is available in 6-lead SC70 and 5-lead TSOT-23 packages. The LTC2064 is available in 8-lead MSOP and 10-lead DFN packages. The LTC2065 is avail- able in 14-lead TSSOP and 16-lead 3mm × 3mm QFN packages. These devices are fully specified over the –40°C to 85°C and –40°C to 125°C temperature ranges. Micropower Precision Oxygen Sensor Duty Cycle Lowers System Power APPLICATIONS n Low Supply Current: 2μA Maximum (per Amplifier) n Offset Voltage: 5μV Maximum n Offset Voltage Drift: 0.02μV/°C Maximum n Input Bias Current: n 3pA Typical n 30pA Maximum, –40°C to 85°C n 100pA Maximum, –40°C to 125°C n Integrated EMI Filter (114dB Rejection at 1.8GHz) n Shutdown Current: 170nA Maximum (per Amplifier) n Rail-to-Rail Input and Output n 1.7V to 5.25V Operating Supply Range n AVOL: 140dB Typical n Low-Charge Power-Up for Duty Cycled Applications n Specified Temperature Ranges: n –40°C to 85°C n –40°C to 125°C n SC70, TSOT23, MS8, DFN10, TSSOP14 and QFN16 Packages n Signal Conditioning in Wireless Mesh Networks n Portable Instrumentation Systems n Low-Power Sensor Conditioning n Gas Detection n Temperature Measurement n Medical Instrumentation n Energy Harvesting Applications n Low Power Current Sensing All registered trademarks and trademarks are the property of their respective owners. 100k 0.1% 100 0.1% 100k 0.1% 10M 0.1% OXYGEN SENSOR CITY TECHNOLOGY 40XV VOUT = 1V IN AIR ISUPPLY = 1.4µA (ENABLED) 90nA (SHUTDOWN) www.citytech.com VSHDN 2063 TA01 1.8V LTC2063 40ms/DIV CHARGE 20nC/DIV VOUT 1V/DIV VSHDN 2V/DIV 2063 TA01b |
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Similar Description - LTC2064 |
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