ASTLC5202A - RGB 480/402 CHANNELS TFT-LCD SOURCE DRIVER
GENERAL DESCRIPTION
The ASTLC5202A is a source driver for AV type color TFT LCDs, i.e. with analog R, G, B video interfaces. The video signals are sampled and held serially, then sent out synchronously through parallel output channels. A clock selection function is provided in order to simplify circuit applications.
This chip provides a 480/402 channels-select function as well as bi-directional shift control for easier circuit layout and cascade function for dot-expansion.
For superior display qualities the output voltages have a dynamic range close to full scale. And for COG applications, special pin locations and dummy pads are supported. That can enhance reliability and performance.
FEATURES
- Source driver for AV type TFT LCD panels
- 480(RGBx160) or 402(RGBx134) output channels
- Digital supply: 2.5V - 5.5V
- LCD supply: 3V - 5.5V
- Dynamic range of outputs: 0.2V - 4.8V
- Voltage deviation of outputs: ± 20mV
- Dual sample and hold circuit
- Three or one clock signal alternative
- Cascade function for dot-expansion
- Right and left shift capability
- Switchable R, G, B signals for different types of color filters
- Output enable signal edge selectable
- Bare chip with gold bumps for COG applications
TYPICAL APPLICATIONS
- Video cameras, in-car TVs
Block Diagram
Click on the picture above
to see an enlarged version
Data Sheet
|
