AD80273ARWZ-RL J-FET Amplifier IC 1 Circuit 8-PDIP Replaces Hybrid Amplifiers In Many Applications

AD80273ARWZ-RL J-FET Amplifier IC 1 Circuit 8-PDIP Replaces Hybrid Amplifiers In Many Applications

PRODUCT DESCRIPTION

The AD845 is a fast, precise, N channel JFET input, monolithic operational amplifier. It is fabricated using Analog Devices’ complementary bipolar (CB) process. Advanced laser-wafer trimming technology enables the very low input offset voltage and offset voltage drift performance to be realized.

This precision, when coupled with a slew rate of 100 V/ms, a stable unity gain bandwidth of 16 MHz, and a settling time of 350 ns to 0.01%—while driving a parallel load of 100 pF and 500 W— represents a combination of features unmatched by any FET input IC amplifier. The AD845 can easily be used to upgrade many existing designs that use BiFET or FET input hybrid amplifiers and, in some cases, those which use bipolar input op amps.

The AD845 is ideal for use in applications such as active filters, high speed integrators, photodiode preamps, sample-and-hold amplifiers, and log amplifiers, and for buffering A/D and D/A converters.

The 250 mV max input offset voltage makes offset nulling unnecessary in many applications. The common-mode rejection ratio of 110 dB over a ± 10 V input voltage range represents exceptional performance for a JFET input high speed op amp. This, together with a minimum open-loop gain of 250 V/mV ensures that 12-bit performance is achieved, even in unity gain buffer circuits.

PRODUCT PROPERTIES

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