AD8509 is Muxed Input LCD Reference Buffers manufactured by Analog Devices.
| Part Number | Description |
|---|---|
| AD8500 | Micropower Precision CMOS Operational Amplifier |
| AD8502 | Micropower CMOS Operational Amplifiers |
| AD8504 | Micropower CMOS Operational Amplifiers |
| AD8505 | Zero Input Crossover Distortion Amplifiers |
| AD8506 | Zero Input Crossover Distortion Amplifiers |
The AD8509 and AD8511 are 9-channel and 11-channel LCD reference buffers, respectively, designed to drive 64 gray scale column drivers. Each buffer has an A/B input to select between two voltages for LCD displays. These buffers drive the resistor ladders of LCD column drivers for gamma correction.
