概览
描述
µPC812, 4092 are unique J-FET input dual operational amplifiers that uses a high-speed PNP transistor (fT =300 MHz) for the output stage to achieve fast response and high stability. The resistor-trimming method proven in other Renesas High-Precision Op-Amp and High-Precision reference voltage is incorporate in this Op-Amp input stage, thus producing an excellent low offset voltage characteristics that has surpasses conventional general purpose op-amp in spite of being JFET input. Depending on the operating ambient temperature, µPC812 is suitable to communication application while µPC4092 is for general-purpose usage. In addition to this series of line-up, single channel type operational amplifier, µPC811, 4091 with the same circuit configuration are also available.
特性
- Input Offset Voltage : ±1 mV (TYP.) (±3 mV MAX.)
- VIO Temperature Drift : ±7 µV/°C (TYP.)
- Input Bias Current : 50 pA (TYP.)
- Slew Rate : 15 V/µs (TYP.)
- Unity Gain Frequency : 4 MHz (TYP.)
- Input Equivalent Noise Voltage Density : 19 nV√ Hz (TYP.) (f = 1 kHz)
- Stable operation against capacitive load : (Capacitive Load at 10000 pF, AV = +1 )
- Built-In Phase Compensation Circuit
- Built-In Output Short Circuit Protection
- Standard Dual Op-Amp terminal connection (pin compatible)
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