The LT1055/LT1056 are precision, high speed, JFET input operational amplifiers. They combine low offset voltage and high slew rate, making them suitable for high precision and high speed applications. They are used in instrumentation, logarithmic amplifiers, D/A output amplifiers, photodiode amplifiers, voltage-to-frequency converters, frequency-to-voltage converters, and fast, precision sample-and-hold circuits.
The LT1055 and LT1056 are precision, high‑speed JFET‑input operational amplifiers offered by Linear Technology. They provide low offset voltage, low drift, and high slew rate for demanding instrumentation and signal‑conditioning applications.
The document lists absolute maximum ratings, electrical characteristics for multiple package types, typical performance curves, and application information such as offset‑nulling, noise considerations, and recommended circuit techniques. This manual is written in Chinese.
| Input Offset Voltage (max) | 150 µV |
|---|---|
| Slew Rate (LT1056) | 12 V/µs |
| Supply Voltage Range | ±20 V |
| Gain‑Bandwidth Product (LT1056) | 5.5 MHz |
The devices are rated for a supply voltage of ±20 V.
The LT1056 has a guaranteed minimum slew rate of 12 V/µs.
The LT1055/1056 series guarantees an input offset voltage of up to 150 µV.