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DATASHEET
ISL24211
Programmable VCOM Calibrator with EEPROM and Output Buffer
FN7585 Rev 0.00 February 23, 2011
The ISL24211 is an 8-bit programmable current sink that can be used in conjunction with an external voltage divider to generate a voltage source (VCOM) positioned between the analog supply voltage and ground. The current sink’s full-scale range is controlled by an external resistor, RSET. With the appropriate choice of external resistors R1 and R2, the VCOM voltage range can be controlled between any arbitrary voltage range. The ISL24211 has an 8-bit data register and 8-bit EEPROM for storing both a volatile and a permanent value for its output, with an I2C interface to read and write to the register and EEPROM.