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Linear Technology (Milpitas, CA) announces the LTC6091 and LTC6090-5, additions to the LTC6090 family of precision operational amplifiers which operate on a supply voltage up to 140V (±70V). The dual LTC6091 features separate output disable pins, making it useful in high voltage multiplexed applications. The decompensated single LTC6090-5 amplifier offers higher speed and is stable at a gain of 5 or above. The LTC6090, LTC6090-5, and LTC6091 combine wide supply range, high precision, and low noise. Input offset voltage is 1.25mV max over temperature, and low frequency (1/f) noise is 3.5µVP-P from 0.1Hz to 10Hz. The CMOS input structure keeps the input bias current to 50pA maximum at 85°C, making the LTC6090 family suitable for sensor circuits and other applications requiring high input impedance. Other features include:

• LTC6090-5 which offers 24MHz gain-bandwidth product and 37V/µs slew rate.
• 12MHz and 21V/µs for the gain-of-1 stable LTC6090 and LTC6091.
• 3.9mA per amplifier max.
• Output short-circuit current of typically ±90mA.

For more information on the precision operational amplifiers, visit www.linear.com.

 

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