Overview
The OP249 is a high-speed, precision dual JFET operational amplifier designed to offer superior performance compared to existing dual amplifiers. It provides exceptional speed combined with excellent direct current (DC) characteristics. Among its key features, the OP249 boasts a fast slew rate of 22 V/µs typical, an ultrahigh open-loop gain of 1000 V/mV minimum, and a settling time of 1.2 µs maximum to 0.01%.
Key Features
- Fast slew rate: 22 V/µs typical
- Settling time of 1.2 µs maximum to 0.01%
- Low offset voltage: 200 µV typical
- High open-loop gain: 1000 V/mV minimum
- Low total harmonic distortion: 0.002% typical
Applications
- Suitable as an output amplifier for fast DACs
- Signal processing and Instrumentation amplifiers
- Useful in fast sample-and-holds and active filters
- Appropriate for low distortion audio amplifiers
- Functions as an input buffer for ADCs
- Can be utilized in servo controllers
Product Description
The datasheet focuses on the OP249, detailing its applicability in high-speed bipolar DAC and ADC systems along with the ability to leverage the full accuracy of high-resolution CMOS DACs due to its excellent DC performance. Its symmetrical slew rate, considerable drive ability (even under large loads), and ultralow distortion cater to a range of demands, such as professional audio applications and high-speed integrators. The dual JFET op amp structure ensures reliability and performance consistency.
Regulatory and Revision Information
Analog Devices ensures the accuracy and reliability of the documentation for the OP249, yet assumes no responsibility for any patent infringements or other rights violations that may result from its usage. The specifications are subject to change, and no license is granted regarding any patent rights.
The datasheet also includes a revision history, displaying the changes made in the various revisions which have contributed to the datasheet’s current state as of the ‘Rev. H’ document provided.
Contact and Copyright Information
The datasheet is prepared and distributed by Analog Devices, headquartered at One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, USA. It notes that all rights regarding the OP249 are reserved by Analog Devices, Inc., including technical support through their website.
References:
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