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20-µA Op-Amp for 30-µV Precision - Circuit Cellar
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20-µA Op-Amp for 30-µV Precision

Linear Technology’s LT6023 is a dual 3-to-30-V low-power operational amplifier that features 30-µV maximum input offset voltage and 60 µs settling to 0.01%. Proprietary slew enhancement circuitry results in a fast, clean output step response with low power consumption. Specially designed input circuitry maintains high impedance, which minimizes current spikes associated with fast steps for input steps up to 5 V. Together these features make the LT6023 an ideal for portable high-precision instruments, multiplexed data acquisition systems, and DAC buffer applications.Linear LT6023

The LT6023-1 includes a shutdown mode, which reduces the supply current to less than 3 µA when the amplifier is not active. Enable time of 480 µs and fast slew rate combine to provide power-efficient operation in duty-cycled applications, such as those featuring Linear Technology’s Dust Networks wireless sensor network products.

Summary of Features: LT6023

  • 30 µV Max Input Offset Voltage (MSOP Package)
  • Excellent Slew Rate to Power Consumption Ratio
  • 1 V/µs Slew Rate (10 V step)
  • 20 µA Max Supply Current
  • 3 nA Max Input Bias Current
  • 3 V to 30 V Supply Range
  • Output Swings Rail-to-Rail
  • –40°C to 125°C Specified Temperature Range
  • 3 A Max Shutdown Mode (LT6023-1)
  • 8-Lead MSOP & 3 × 3 mm DFN Packages

Fully specified over the –40°C to 85°C and –40°C to 125°C temperature ranges, the LT6023 is available in MSOP-8 and 3 × 3 mm DFN packages. Prices start at $1.85 each in quantities of 1,000 units.

Source: Linear Technology

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20-µA Op-Amp for 30-µV Precision

by Circuit Cellar Staff time to read: 1 min