LT1679CS#TRPBF

LT1679 is a quad low noise, rail-to-rail, precision op-amp. It offers both low noise and precision: 3.9nV/√Hz wideband noise, 1/f corner frequency of 4Hz and 90nV peak-to-peak 0.1Hz to 10Hz noise are combined with outstanding precision: 100µV maximum offset voltage, greater than 100dB common mode and power supply rejection and 20MHz gain bandwidth product. It bring precision as well as low noise to single supply applications as low as 3V. The input range exceeds the power supply by 100mV with no phase inversion while the output can swing to within 170mV of either rail. A full set of matching specifications are also provided, facilitating their use in matching dependent applications such as a two op-amp instrumentation amplifier design. Application includes strain gauge amplifiers, portable microphones, battery-powered Rail-to-Rail instrumentation, low noise signal processing, microvolt accuracy threshold detection, infrared detectors.

• Rail-to-rail input and output, matching specifications, no phase inversion
• 35µV typical input offset voltage (TA = 25°C, VS = 3V, VCM = VO = 1.7V)
• Typical average input offset drift is 0.40µV/°C (TA = 25°C, VS = 3V, VCM = VO = 1.7V)
• 90nVP-P typical input noise voltage (TA = 25°C, VS = 3V, VCM = VO = 1.7V)
• Input voltage range from -0.1V VS to + 0.1V (TA = 25°C, VS = 3V, VCM = VO = 1.7V)
• 120dB typical common-mode rejection ratio (VS = 5V, VCM = 1.9V to 3.9V)
• 6V/µs typical slew rate (AV = –1, RL = 10k, TA = 25°C)
• 20MHz typical gain bandwidth product (fO = 100KHz, TA = 25°C)
• 1.4µs typical settling time (2V Step 0.1%, AV = +1, TA = 25°C)
• 14 lead plastic SO package, operating temperature range from -40°C to 85°C

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