OPA847IDR

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OPA847IDR is a rail-to-rail operational amplifier which is designed for instrumentation applications. It operates from single or dual supplies and features a very high level of closed-loop gain, low input offset voltage and low bias current. The OPA847IDR is ideal for use in precision DC measurement applications such as load cells, strain gauges and thermocouples.

OPA847IDR has a single-ended input configuration, with a minimum input impedance of one megaohm. It has an open-collector output which is tied to ground with an internal pull-up resistor, allowing the user to connect it to the input circuitry of an analog-to-digital converter. The output voltage is rail-to-rail, meaning that the output voltage will always remain close to the supply voltage, regardless of the input voltage. This makes it ideal for applications where accuracy and noise rejection are key.

The OPA847IDR boasts a very low offset voltage of 75uV, making it ideal for high-precision DC measurement applications. This low offset also enhances its performance when used for differential inputs, making it suitable for use in audio systems where low noise is essential. The OPA847IDR also has high common-mode rejection ratio (CMRR) of 130 dB, making it good for suppressing noise from the power supply or other sources.

The OPA847IDR also features a low bias current of only 1.8 nA, allowing it to be used in critical low-noise applications. The low bias current also means that the device will require very little power to operate, making it suitable for use in battery-powered systems. The OPA847IDR is also very fast, featuring a bandwidth of 75 MHz and a slew rate of 8V/µs.

The OPA847IDR is a versatile operational amplifier which is suitable for a range of instrumentation applications. Its rail-to-rail output ensures that the output voltage stays close to the supply voltage, while its low offset voltage and bias current make it ideal for high-precision measurement measurements. Its high CMRR and fast speed also make it suitable for noise-sensitive applications, making the OPA847IDR an ideal choice for instrumentation applications.

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