LT1457CN8#PBF

LT1457 is a dual, precision JFET input op-amp. It is optimized for handling large capacitive loads in combination with precision performance. Precision specifications include 220µV offset voltage in plastic and surface mount packages. At 70°C input bias current is 50pA, input offset current is 20pA. Channel separation is 130dB. Typical applications are sample-and-hold (drives large hold capacitors), A/D and D/A converters, photodiode amplifiers, voltage-to-frequency converters.

• Handles 10,000pF capacitive load
• Input offset voltage is 200µV typical (VS=±15V, TA=25°C, VCM=0V)
• Input offset current is 4pA typ (fully warmed up, VS=±15V, TA=25°C, VCM=0V)
• Input bias current is ±7pA typ (fully warmed up, VS=±15V, TA=25°C, VCM=0V)
• Input noise voltage is 2.1µVP–P typ (0.1Hz to 10Hz, VS=±15V, TA=25°C, VCM=0V)
• Input noise voltage density is 28nV/√Hz typ (fO=10Hz, VS=±15V, TA=25°C, VCM=0V)
• Input voltage is 14.3V typ (VS=±15V, TA=25°C, VCM=0V)
• Common-mode rejection ratio is 98dB typ (VCM=±10.5V, VS=±15V, TA=25°C, VCM=0V)
• Slew rate is 4V/µs typ (VS=±15V, TA=25°C, VCM=0V)
• 8-lead plastic DIP package

注释

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