The OPA211AIDG4 is a low power precision Operational Amplifier achieves very low 1.1nV/√Hz noise density with a supply current of only 3.6mA. This series also offers rail-to-rail output swing, which maximizes dynamic range. The extremely low-voltage and low-current noise, high-speed and wide-output swing of the amplifier, make an excellent choice as a loop filter amplifier in PLL applications. In precision data acquisition applications, the op-amps provide 700ns settling time to 16-bit accuracy throughout 10V output swings. This AC performance, combined with only 125μV of offset and 0.35μV/°C of drift over-temperature, makes this op-amp ideal for driving high-precision 16-bit analogue-to-digital converters (ADCs) or buffering the output of high-resolution digital-to-analogue converters (DACs).
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