LF257 Overview
Key Specifications
Description
The LFx5x devices 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.
Key Features
- Uncommon Features – Extremely Fast Settling Time to 0.01%: – 4 μs for the LFx55 devices – 1.5 μs for the LFx56 – 1.5 μs for the LFx57 (AV =
- Fast Slew Rate: – 5 V/µs for the LFx55 – 12 V/µs for the LFx56 – 50 V/µs for the LFx57 (AV =
- Wide Gain Bandwidth: – 2.5 MHz for the LFx55 devices – 5 MHz for the LFx56 – 20 MHz for the LFx57 (AV =
- Low Input Noise Voltage: – 20 nV/√Hz for the LFx55 – 12 nV/√Hz for the LFx56 – 12 nV/√Hz for the LFx57 (AV = 5)
