如何使用Rail-to-Rail 放大器 来提高输入偏置精度

如何使用Rail-to-Rail 放大器 来提高输入偏置精度
Application Note 1683
Author: Tamara Schmitz


How to use Rail-to-Rail Amplifiers to Improve Input
Offset Accuracy
In today's electronic systems, the negative power supply is
disappearing, while the positive power supply voltage is
decreasing. This trend is driving the proliferation of rail-to-rail
amplifiers. While the supply voltage is changing, the signal
level often remains the same.
For example, the standard video signal is 2V. When the power
supply comes down to 2V, the amplifier/buffer must be linear
or accurate within the full 2V supply