These devices are low cost, high speed, JFET input operational amplifiers with very low input offset voltage and input offset voltage drift. They require low supply current yet maintain a large gain bandwidth product and fast slew rate. In addition, well matched high voltage JFET input devices provide very low input bias and offset currents. The LF412-N dual is pin compatible with the LM1558, allowing designers to immediately upgrade the overall performance of existing designs.
These amplifiers may be used in applications such as high speed integrators, fast D/A converters, sample and hold circuits and many other circuits requiring low input offset voltage and drift, low input bias current, high input impedance, high slew rate and wide bandwidth.
| Number of channels | 2 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 40 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 10 |
| Rail-to-rail | In to V+ |
| GBW (typ) (MHz) | 4 |
| Slew rate (typ) (V/µs) | 15 |
| Vos (offset voltage at 25°C) (max) (mV) | 3 |
| Iq per channel (typ) (mA) | 1.8 |
| Vn at 1 kHz (typ) (nV√Hz) | 25 |
| Rating | Catalog |
| Operating temperature range (°C) | 0 to 70 |
| Offset drift (typ) (µV/°C) | 7 |
| Input bias current (max) (pA) | 200 |
| CMRR (typ) (dB) | 100 |
| Iout (typ) (A) | 0.025 |
| Architecture | FET |
| Input common mode headroom (to negative supply) (typ) (V) | 3.5 |
| Input common mode headroom (to positive supply) (typ) (V) | 0.5 |
| Output swing headroom (to negative supply) (typ) (V) | 1.5 |
| Output swing headroom (to positive supply) (typ) (V) | -1.5 |
| PDIP (P) | 8 | 92.5083 mm² 9.81 x 9.43 |
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