The LT1880 is a precision operational amplifier with high accuracy input performance and rail-to-rail output swing. It is suitable for applications such as thermocouple amplifiers, bridge transducer conditioners, instrumentation amplifiers, battery-powered systems, and photocurrent amplifiers.
The LT1880 is a precision, rail‑to‑rail output operational amplifier offered in a 5‑lead SOT‑23 package. It features ultra‑low offset voltage (≤150 µV), low input bias current (≤900 pA), low noise (13 nV/√Hz at 1 kHz), and a slew rate of 0.4 V/µs.
Designed for low‑voltage, single‑supply systems, the device is suited for thermocouple amplifiers, bridge transducer conditioners, instrumentation amplifiers, battery‑powered circuits, and photocurrent amplification. The datasheet includes detailed electrical characteristics, typical performance graphs, application guidelines, and package dimensions.
| Input Offset Voltage | 150 µV max |
|---|---|
| Input Bias Current | 900 pA max |
| Gain‑Bandwidth Product | 14 MHz typ |
| Slew Rate | 0.4 V/µs |
| Supply Current | 1.2 mA typ |
| Output Voltage Swing (Low) | 55 mV min to negative rail |
| Output Voltage Swing (High) | 250 mV min to positive rail |
| Input Noise Voltage Density | 13 nV/√Hz at 1 kHz |
The LT1880 operates with supply voltages between 2.7 V and 36 V (fully specified from 5 V to +15 V).
The input bias current is specified as a maximum of 900 pA.
The typical gain‑bandwidth product is 14 MHz.
The LT1880 can drive capacitive loads up to 600 pF in unity‑gain configuration.