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ISL24813
Programmable 18-Channel x 2 Bank, 10-Bit TFT-LCD V_REF Generator with Buffered V_COM Calibrator

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Typical Diagram

Key Features

• 18 I²C Programmable 10-Bit DACs
• Integrated Programmable V_COM Calibrator
• One V_COM Op Amp
• Two Banks of Volatile Memory for DACs
• 5V to 18V Analog Supply Range
• 2.5V to 3.3V Digital Supply Range
• 20mA Analog Supply Current (Unloaded)
• 700µA Digital Supply Current
• I²C Serial Interface
• Pb-free (RoHS compliant)

Description

The ISL24813 is an I²C programmable 18-channel, 10-bit reference voltage generator with a digitally controlled V_COM Calibrator and op-amp. Two selectable banks of 18 channels allow fast hardware or software switching between two different gamma curves. The ISL24813 is configured and controlled via a standard I²C interface.

ISL24813 is available in a 32 Ld TQFN package and is specified for operation over the
-40°C to +85°C temperature range.

Applications

• TFT-LCD Column Driver Reference Generator
• General-Purpose Reference Voltage Generators

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