Programmable 14-Channel x 2 Bank, 10-bit TFT-LCD VREF Generator with Buffered VCOM Calibrator
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Overview
Description
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The ISL24822 is a programmable 14-Channel, 10-bit reference voltage generator with a digitally-controlled VCOM Calibrator and op amp. Two selectable banks of 14 channels allow fast hardware or software switching between 2 different gamma curves. The ISL24822 is configured and controlled via a standard I2C Interface. The ISL24822 is available in a 32 Ld TQFN package and is specified for operation over the -40°C to +85°C temperature range.
Features
- 14 I2C-programmable 10-bit DACs
- Integrated programmable VCOM calibrator
- VCOM op amp
- 2 Banks of volatile memory for DACs
- 4.5V to 19V analog supply range
- 2.25V to 3.6V digital supply range
- 20mA analog supply current (unloaded)
- 700μA digital supply current
- I2C serial interface
- Pb-free (RoHS compliant)
Comparison
Applications
Applications
- TFT-LCD Drive Circuits
- Reference Voltage Generators
Documentation
= Featured Documentation
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| Type | Title | Date |
| Datasheet - Short-form | PDF 198 KB | |
| Training | PDF 258 KB | |
| Training | PDF 325 KB | |
| Application Note | PDF 564 KB | |
| End Of Life Notice | PDF 200 KB | |
| Datasheet | PDF 1.10 MB | |
| Product Advisory | PDF 363 KB | |
| Product Change Notice | PDF 135 KB | |
| Application Note | PDF 357 KB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
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| TQFN |
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