OPA2683IDG4

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The OPA2683IDG4 is a quad low-noise operational amplifier designed for instrumentation and general purpose applications where low noise, good linearity and small size are important considerations. Consisting of four independent, rail-to-rail input/output amplifiers on a single monolithic chip, it is ideal for applications such as active low-pass filter and voltage followers.

The OPA2683IDG4 is a high performance instrumentation amplifier with a bandwidth of up to 500 KHz, up to 3.2 V/μs slew rate, low input bias current and offset current, and high common-mode rejection ratio (CMRR). It has a power supply range of ±4 V to ±20 V and a quiescent current of 1.9 mA.

The OPA2683IDG4 provides high common-mode rejection, with most typical CMRR values greater than 70dB, and wide bandwidth with a gain-bandwidth product up to 10MHz. It also has an excellent input offset voltage, with typical values of less than 1mV. These features make it ideal for a wide range of instrumentation and general purpose applications, such as active filters, signal conditioning and data acquisition systems.

The OPA2683IDG4 features a common-mode feedback architechture, which minimizes input bias current and increases CMRR and common-mode rejection. It also has a low feedback impedance and differential gain and phase distortion.

The OPA2683IDG4 is a rail-to-rail amplifier, meaning it can operate both on negative and positive rails. This makes it particularly suitable for applications where the input signal is known to swing rail-to-rail. This feature is especially important in multi-channel data acquisition systems, where the amplitude of the input signals may vary from channel to channel.

The OPA2683IDG4 has a wide dynamic range, since it can operate from ±4 V to ±20 V with a quiescent current of 1.9 mA. While this does limit its use to single power supplies, it also makes it well suited for low power, single supply applications.

In summary, the OPA2683IDG4 is a quad low-noise operational amplifier designed for a variety of instrumentation and general purpose applications. Offering high common-mode rejection, wide bandwidth and low input bias current, it is an ideal choice for applications where low noise and good linearity are important considerations.

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