LTC2057IMS8#PBF

LTC2057 is a high voltage, low noise, zero-drift operational amplifier. Offset voltage and 1/f noise are suppressed, allowing this amplifier to achieve a maximum offset voltage and a DC to 10Hz input noise voltage of 200nVP-P (typ). It is self-calibrating circuitry results in low offset voltage drift with temperature and zero-drift over time. This provides rail-to-rail output swing and an input common mode range that includes the V– rail (V– –0.1V to V+ – 1.5V). In addition to low offset and noise. Wide supply range, combined with low noise, low offset, and excellent PSRR and CMRR make this product well suited for high dynamic-range test, measurement, and instrumentation systems. Typical applications are high resolution data acquisition, reference buffering, test and measurement, electronic scales, thermocouple amplifiers, strain gauges, low-side current sense, automotive monitors and control.

• 1.5MHz (typ) gain-bandwidth and a 0.45V/μs (typ)at AV = –1, RL = 10kohm slew rate
• Input offset voltage is 4μV maximum at VS = ±2.5V, VCM = VOUT = 0V
• Supply voltage range from 4.75V to 36V
• Average input offset voltage drift is 0.015μV/°C maximum at –40°C to 125°C
• Unity gain stable
• Common mode rejection ratio is 150dB at VCM = V– – 0.1V to V+ – 1.5V, VS = ±2.5V, VCM = VOUT = 0V
• Power supply rejection ratio is 160dB at VS = 4.75V to 36V, VS = ±2.5V; VCM = VOUT = 0V
• Supply current is 2.5μA in shutdown mode at VS = ±2.5V; VCM = VOUT = 0V
• 8-lead plastic MSOP package
• –40°C to 85°C temperature rating

Uwagi

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