Maxim Integrated MAX1512
The MAX1512 is a programmable VCOM-adjustment solution for thin-film transistor (TFT) liquid-crystal displays (LCDs). The MAX1512 simplifies the labor-intensive VCOM-adjustment process and replaces mechanical potentiometers, which significantly reduces labor costs, increases reliability, and enables automation. The MAX1512 attaches to an external resistive voltagedivider and sinks a programmable current to set the VCOM voltage level.- Max Operating Temp : 85°C
- Min Operating Temp : -40°C
Source:
Octopart
GENERAL DESCRIPTION
An internal 7-bit digital-to-analog converter (DAC) controls the sink current. The DAC is ratiometric relative to AVDD and is guaranteed to be monotonic over all operating conditions. This VCOM calibrator IC includes an EEPROM to store the desired VCOM voltage level. The EEPROM can be programmed repeatedly, giving TFT LCD manufacturers the flexibility to calibrate the display panel as many times as the manufacturing process requires. The IC features a single-wire interface between the LCD panel and the programming circuit. The singlewire interface delivers both programming power and DAC-adjustment commands to minimize changes to panel connectors and production equipment. The MAX1512 is available in an 8-pin 3mm x 3mm TDFN package. A complete evaluation kit is available to simplify evaluation and production development.FEATURES
♦ 7-Bit Adjustable Sink-Current Output ♦ Resistor-Adjustable Full-Scale Range ♦ Guaranteed Monotonic Output Over Operating Range ♦ Single-Wi...