This document introduces a low-cost, precision JFET input operational amplifier with features such as low offset voltage, small packaging, high slew rate, low voltage noise, etc. It can be used in applications such as reference gain/buffers, level shift/driving, active filters, power line monitoring/control, current/voltage sense or monitoring, data acquisition, sample-and-hold circuits, integrators, etc.
The document describes the ADA4000-1, a low cost, precision JFET input operational amplifier available in TSOT-23 and SOIC packages. It is designed for applications requiring high input impedance, such as driving A/D inputs and buffering D/A converter outputs.
Key features include a maximum offset voltage of 1 mV, a bias current of 10 pA max, unity gain stability, and a wide bandwidth of 6 MHz. The device operates with supply voltages from +5 V to +15 V.
| Offset Voltage (Max) | 1 mV |
|---|---|
| Bias Current (Max) | 10 pA |
| Slew Rate | 20 V/us |
| Voltage Noise Density | 15 nV/VHz |
| Bandwidth (GBP) | 6 MHz |
| Supply Voltage Range | +5 V to +15 V |
The maximum offset voltage is 1 mV.
The maximum bias current is 10 pA.
The maximum supply voltage is +18 V.