The MAX9660 provides a programmable reference voltage for VCOM adjustment in TFT-LCD panels. A 7-bit, current digital-to-analog converter (DAC) sinks current from an external resistor-divider string to create the VCOM reference voltage, which then serves as the input to a voltage buffer capable of driving out high current.
The MAX9660 includes multiple one-time programmable (MOTP) memory to store the DAC code on the chip, eliminating the need for external EEPROM. The chip supports up to 30 write operations to MOTP memory.
The MAX9660 has an I²C interface to set the VCOM reference voltage and write into MOTP memory.
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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MAX9660
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TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
Temp
RoHS/Lead-Free? Materials Analysis
MAX9660ATA+T
Active
TDFN-EP;8 pin;9.6 mm²
Outline Drawing: 21-0137 (PDF)
Land Pattern: 90-0059 (PDF)
Use pkgcode/variation: T833+2*
