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The OPA211 series of precision operational amplifiers 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 OPA211 series make these devices an excellent choice as a loop-filter amplifier in PLL applications.
In precision data acquisition applications, the OPA211 series of op amps provides 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 the OPA211 ideal for driving high-precision 16-bit analog-to-digital converters or buffering the output of high-resolution digital-to-analog converters.
The OPA211 series is specified over a dual-power supply range of ±2.25V to ±18V or from +4.5V to +36V for single-supply operation. The OPA211 is available in the small DFN-8, MSOP-8, and SO-8 packages. This series of op amps is specified from TA = -40°C to +125°C.
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By: Rachel Kalina, Hearst Business Media
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