This document describes a high-precision Gamma correction IC for TFT LCD panels, which features built-in DACs and provides a 1-chip solution with setting control via serial communications. It includes a high-precision 10-bit DAC and a buffer amplifier (12 channels).
This technical note describes the BD8143MUV gamma‑correction voltage generation IC, which integrates a 10‑bit DAC, buffer amplifiers, and a 3‑line serial interface for setting gamma correction values. It outlines the device features, applications for TFT LCD panels, and key electrical characteristics.
The document includes pin‑out tables, block diagrams, timing charts for serial communication, power‑supply sequencing, and ordering information. It also contains safety notices and usage guidelines for designers integrating the IC into electronic equipment.
| Power Supply Voltage 1 (DVCC) max | 7 V |
|---|---|
| Power Supply Voltage 2 (VCC) max | 20 V |
| REFIN Voltage max | 20 V |
| Amplifier Drive Current max | 30 mA |
| Junction Temperature max | 150 °C |
| Power Dissipation max | 2440 mW |
| Operating Temperature Range | -40~+105 °C |
| DAC resolution | 10 bit |
| Package | VQFNO32V5050 |
The device includes a high‑precision 10‑bit DAC.
It is supplied in a VQFNO32V5050 package.