ADI OP42FZ

The OP- 42 is a fast precision JFET- input operational amplifier. Similar in speed to the OP- 17, the OP- 42 offers a symmetric 58V / μs slew rate and is internally compensated for unity- gain operation. OP- 42 speed is achieved with a supply current of less than 6mA. Unity- gain stability, a wide full- power bandwidth of 900kHz, and a fast settling- time of 800ns to 0.01% make the OP- 42 an ideal output amplifier for fast digital- to- analog converters. Equal attention was given to both speed and precision in the OP- 42 design. Its tight 750μV maximum input offset voltage combined with well- controlled drift of less than 10μV / °C eliminates the need for external nulling in many circuits. The OP- 42's common- mode rejection of 88dB minimum over a ± 11V input voltage range is exceptional for a high- speed amplifier. High CMR combined with a minimum 500V/mV gain into 10k load ensure excellent linearity in both noninverting and inverting gain configurations. The low input bias and offset currents provided by the JFET input stage suit the OP- 42 for use in high- speed sample and hold circuits, peak detectors, and log amplifiers. The OP- 42 conforms to the standard 741 pinout with pulling to V- . The OP- 42 upgrades the performance of circuits using the AD544, AD611, AD711, and LF400 by direct replacement. In circuits without nulling, the OP- 42 offers an upgrade for designs using the OP- 16, OP- 17, LT1022, LT1056, and HA2510.

• Fast:
  • Slew Rate 50V/µs Min
  • Settling- Time (0.01%) 1µs Max
  • Gain- Bandwidth Product 10MHz Typ
• Precise:
  • Common- Mode Rejection 88dB Min
  • Open- Loop Gain 500V/mV Min
  • Offset Voltage 750µV Max
  • Bias Current 200pA Max
• Excellent Radiation Hardness Available in Die Form