Product Summary

The OP270AZ is a high performance, monolithic, dual operational amplifier with exceptionally low voltage noise, 5nV/√ ̄Hz max at 1 kHz. It offers comparable performance to ADI’s industry standard OP27. The OP270AZ features an input offset voltage below 75mV and an offset drift under 1mV/℃, guaranteed over the full military temperature range. Open-loop gain of the OP270AZ is over 1,500,000 into a 10 kW load, ensuring excellent gain accuracy and linearity, even in high gain applications. Input bias current is under 20nA, which reduces errors due to signal source resistance. The OP270AZ’s CMR of over 106dB and PSRR of less than 3.2mV/V significantly reduce errors due to ground noise and power supply fluctuations. Power consumption of the dual OP270AZ is one-third less than two OP27s, a significant advantage for power conscious applications. The OP270AZ is unity-gain stable with a gain bandwidth product of 5 MHz and a slew rate of 2.4V/ms.

Parametrics

OP270AZ absolute maximum ratings: (1)Supply Voltage:±18V; (2)Differential Input Voltage2: ±1.0V; (3)Differential Input Current2: ±25mA; (4)Input Voltage: Supply Voltage; (5)Output Short-Circuit Duration: Continuous; (6)Storage Temperature Range P, S, Z Package: –65℃ to +150℃; (7)Lead Temperature Range (Soldering, 60 sec): 300℃; (8)Junction Temperature (TJ):–65℃ to +150℃; (9)Operating Temperature Range: –40℃ to +85℃.

Features

OP270AZ features: (1)Very Low Noise 5nV/√ ̄Hz @ 1 kHz Max; (2)Excellent Input Offset Voltage 75μV Max; (3)Low Offset Voltage Drift 1μV/℃ Max; (4)Very High Gain 1500 V/mV Min; (5)Outstanding CMR 106dB Min; (6)Slew Rate 2.4 V/μs Typ; (7) Gain Bandwidth Product 5 MHz Typ; (8) Industry-Standard 8-Lead Dual Pinout.

Diagrams

OP270AZ block diagram

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