Overview

Features and Benefits

  • Gain Bandwidth Product: 80 MHz (Gain = 2)
  • Fast Settling: 100 ns to 0.01% for a 10 V Step
  • Slew Rate: 375 V/µs
  • Stable at Gains of 2 or Greater
  • Full Power Bandwidth: 6.0 MHz for 20 V p-p
  • Input Offset Voltage: 1.5 mV max
  • Input Offset Drift: 14 µV/°C
  • Input Voltage Noise: 9 nV/√Hz typ
  • Open-Loop Gain: 90 V/mV into a 499 Ω Load
  • Output Current: 100 mA min
  • Quiescent Supply Current: 14 mA max

Product Details

The AD842 is a member of the Analog Devices, Inc. family of wide bandwidth operational amplifiers. This device is fabricated using the Analog Device junction isolated complementary bipolar (CB) process. This process permits a combination of dc precision and wideband ac performance previously unobtainable in a monolithic op amp. In addition to its 80 MHz gain bandwidth product, the AD842 offers extremely fast settling characteristics, typically settling to within 0.01% of final value in less than 100 ns for a 10 V step.

The AD842 also offers a low quiescent current of 13 mA, a high output current drive capability (100 mA minimum), a low input voltage noise of 9 nV√Hz, and a low input offset voltage (1.5 mV maximum).

The 375 V/μs slew rate of the AD842, along with its 80 MHz gain bandwidth product, ensures excellent performance in video and pulse amplifier applications. This amplifier is ideally suited for use in high frequency signal conditioning circuits and wide bandwidth active filters. The extremely rapid settling time of the AD842 makes this amplifier the preferred choice for data acquisition applications requiring 12-bit accuracy. The AD842 is also appropriate for other applications, such as high speed DAC and ADC buffer amplifiers and other wide bandwidth circuitry.

Product Lifecycle icon-not-recommended Not Recommended for New Designs

This designates products ADI does not recommend broadly for new designs.

Documentation & Resources

  • View All (17)
  • Data Sheets (2)
  • Application Notes (2)
  • Tutorials (12)
  • Webcasts (1)
  • Tools & Simulations

    Design Tools

    VRMS/dBm/dBu/dBV calculators

    A utility to convert between standard units of power measurement and signal strength.

    Power Dissipation vs Die Temp

    This tool estimates die temperature and power dissipation based on the supply voltages, ambient temperature, load characteristics, and package thermal data.

    Design Resources

    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

    PCN-PDN Information

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