LTC2057 Differential Thermocouple Amplifier Circuit Diagram
Source: InternetPublisher:aerobotics Keywords: Amplifiers power supplies and other power circuits Updated: 2021/08/02
The LTC2057 is a high-voltage, low-noise, zero-drift operational amplifier that provides accurate DC performance over a wide supply range of 4.75V to 36V or 4.75V to 60V (for the LTC2057HV). Offset voltage and 1/f noise are suppressed, allowing the amplifier to achieve a maximum offset voltage of 4μV and a DC to 10Hz input noise voltage of 200nVP-P (typ). The LTC2057's self-calibrating circuitry enables low offset voltage temperature drift (0.015μV/ºC maximum) and zero time drift. In addition, this amplifier has excellent power supply rejection ratio (PSRR) of 160dB and common mode rejection ratio (CMRR) of 150dB (typ).
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