LF155/LF156/LF256/LF257/LF355/LF356/LF357 are the first monolithic JFET input operational amplifiers to incorporate well matched, high voltage JFETs on the same chip with standard bipolar transistors (BI-FET™ Technology). These amplifiers feature low input bias and offset currents/low offset voltage and offset voltage drift, coupled with offset adjust which does not degrade drift or common-mode rejection. The devices are also designed for high slew rate, wide bandwidth, extremely fast settling time, low voltage and current noise and a low 1/f noise corner.
This document describes the LF155/LF156/LF256/LF257/LF355/LF356/LF357 series of monolithic JFET input operational amplifiers. These devices utilize BI-FET™ Technology, combining well-matched high voltage JFETs with standard bipolar transistors on the same chip to achieve low input bias and offset currents/voltages.
| Input Bias Current (Typ) | 30 pA |
|---|---|
| Input Offset Current (Typ) | 3 pA |
| Input Impedance | 10^12 Ohms |
| Common-Mode Rejection Ratio (Typ) | 100 dB |
| Large Signal Voltage Gain (Typ) | 10^6 V/V |
These models have a minimum slew rate of 50 V/us.