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MAX1234 - ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller

Download the MAX1234 datasheet PDF. This datasheet also covers the MAX1233 variant, as both devices belong to the same esd-protected touch-screen controllers include dac and keypad controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The MAX1233/MAX1234 are complete PDA controllers in 5mm × 5mm, 28-pin QFN and TQFN packages.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX1233_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-2512; Rev 4; 3/08 EVAALVUAAILTAIOBNLEKIT ±15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller MAX1233/MAX1234 General Description The MAX1233/MAX1234 are complete PDA controllers in 5mm × 5mm, 28-pin QFN and TQFN packages. They feature a 12-bit analog-to-digital converter (ADC), low onresistance switches for driving resistive touch screens, an internal +1.0V/+2.5V or external reference, ±2°C accurate, on-chip temperature sensor, direct +6V battery monitor, keypad controller, 8-bit digital-to-analog converter (DAC), and a synchronous serial interface. Each of the keypad controllers’ eight row and column inputs can be reconfigured as general-purpose parallel I/O pins (GPIO).