OPA2677H/2K5

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The OPA2677H/2K5 is a high-performance instrumentation amplifier. It is a good choice for engineers seeking to reduce amplifier noise, distortion, and temperature drift. This amplifier can be used in many applications, including in audio/video systems and medical instrumentation.

The OPA2677H/2K5 has two gain stages. In the first (input) stage, two current-feedback amplifiers provide high gain. The second (feedback) gain stage is a voltage-feedback amplifier providing an additional five gains. The total gain-bandwidth product of the OPA2677H/2K5 can be adjusted in 1-dB increments over a range of 10 Hz to 10 kHz.

An internal temperature compensation circuit inside the OPA2677H/2K5 ensures temperature-stable performance. By adjusting the compensation resistor, users can adjust the amplifier’s thermal compensation. This adjusts the amount of thermal gain-error versus temperature change, making it possible to achieve performance that is independent of temperature.

The OPA2677H/2K5 has low noise, with a third-order non-inverting input referred noise density of 7.8 nV/√Hz and a second-order external noise density of 29.0 nV/√Hz. It also reduces distortion, with a third-order harmonic distortion of -74 dBc.

The OPA2677H/2K5 also has an extended output dynamic range with a common-mode rejection ratio (CMRR) of 80 dB. With its wide bandwidth, the OPA2677H/2K5 has a slew rate of 40 V/µs and an east coast attenuator of 90 dB.

The OPA2677H/2K5 is suitable for use in audio/video systems, instrumentation systems, industrial control systems, telecommunications systems, medical instrumentation and other applications where linearity and stability is important.

The OPA2677H/2K5 has a terminal voltage range of 5.5V to 24V, and can operate with a supply current of 5mA. Its package type is SOT 23-5, with dimensions of 5.2mm x 3.2mm x 1.8mm.

The OPA2677H/2K5 is an ideal choice for applications where low noise, low distortion, low current draw and wide bandwidth are required. Its high-performance features, robustness and low cost makes it an excellent choice for a wide range of linear, high-speed and low-cost instrumentation applications.

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