LTC2066 Series
10μA Supply Current, Low IB, Zero-Drift Operational Amplifier
Manufacturer: Analog Devices
Catalog
10μA Supply Current, Low IB, Zero-Drift Operational Amplifier
Key Features
• Low Supply Current: 10μA Maximum (per Amplifier)
• Offset Voltage: 5μV Maximum
• Offset Voltage Drift: 0.02μV/°C Maximum
• Input Bias Current:5pA Typical50pA Maximum, –40°C to 85°C150pA Maximum, –40°C to 125°C
• 5pA Typical
• 50pA Maximum, –40°C to 85°C
• 150pA Maximum, –40°C to 125°C
• Integrated EMI Filter (90dB Rejection at 1.8GHz)
• Shutdown Current: 170nA Maximum (per Amplifier)
• Rail-to-Rail Input and Output
• 1.7V to 5.25V Operating Supply Range
• AVOL: 140dB Typical
• Low-Charge Power-Up for Duty Cycled Applications
• Specified Temperature Ranges:–40°C to 85°C–40°C to 125°C
• –40°C to 85°C
• –40°C to 125°C
• SC70, TSOT23, MS8, DFN10, TSSOP14 and QFN16 Packages
Description
AI
The LTC2066/LTC2067/LTC2068are single, dual, and quad low power, zero-drift, 100kHz amplifiers. The LTC2066/LTC2067/LTC2068 enable high resolution measurement at extremely low power levels.Typical supply current is 7.5μA per amplifier with a maximum of 10μA. The available shutdown mode has been optimized to minimize power consumption in duty-cycled applications and features low charge loss during powerup, reducing total system power.The LTC2066/LTC2067/LTC2068’s self-calibrating circuitry results in very low input offset (5μV max) and offset drift (0.02μV/°C). The maximum input bias current is only 35pA and does not exceed 150pA over the full specified temperature range. The extremely low input bias current of the LTC2066/LTC2067/LTC2068 allows the use of high value power-saving resistors in the feedback network.With its ultralow quiescent current and outstanding precision, the LTC2066/LTC2067/LTC2068 can serve as a signal chain building block in portable, energy harvesting and wireless sensor applications.The LTC2066 is available in 6-lead SC70 and 5-lead TSOT-23 packages. The LTC2067 is available in 8-lead MSOP and 10-lead DFN packages. The LTC2068 is available 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.ApplicationsSignal Conditioning in Wireless Mesh NetworksPortable Instrumentation SystemsLow-Power Sensor ConditioningGas DetectionTemperature MeasurementMedical InstrumentationEnergy Harvesting ApplicationsLow Power Current Sensing