OP27GP vs OP27GPZ vs OPA27GP Comparison

General Purpose Amplifier 1 Circuit 8-PDIP

The OP27GPZ is a Precision Operational Amplifier combines the low offset and drift with both high speed and low noise. Offsets down to 25µV and maximum drift of 0.6µV/°C make this ideal for precision instrumentation applications. A gain bandwidth product of 8MHz and a 2.8V/µs slew rate provide excellent dynamic accuracy in high speed, data-acquisition systems. A low input bias current of ±10nA is achieved by use of a bias current cancellation circuit. It provides excellent performance in low noise, high accuracy amplification of low level signals.

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80nV p-p (0.1 Hz to 10 Hz), 3nV/√Hz Low noise

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0.2µV/°C Low drift

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10µV Low VOS

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126dB at VCM of ±11V Excellent CMRR

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1.8 million High open-loop gain

The OPA27GP is an ultra-low noise precision monolithic Operational Amplifier for use with radiation hard equipment. Laser-trimmed thin-film resistors provide excellent long-term voltage offset stability and allow superior voltage offset compared to common zener-zap techniques. An unique bias current cancellation circuit allows bias and offset current specifications to be met over the full -40 to +85°C temperature range. The OPA27 is internally compensated for unity-gain stability.

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4.5nV/Hz at 1kHz Maximum low noise

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100µV Maximum low offset

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0.4µV/°C Low drift

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117dB Minimum high open-loop gain

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100dB Minimum high common-mode rejection

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94dB Minimum high power-supply rejection

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Green product and no Sb/Br