MAX1233, MAX1234 ±15kV ESD-Protected Touch-Screen Controllers Include DAC And Keypad Controller

The MAX1233 MAX1234 are complete PDA controllers in 5mm x 5mm, 28-pin QFN and TQFN packages. They feature a 12-bit Analog-to-digital converter (ADC), low on-resistance switches for driving resistive Touch Screens an internal +1.0V/+2.5V or external reference, 2C 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). All Analog inputs are fully ESD protected, eliminating the need for external TransZorb" devices.
The MAX1233 MAX1234 offer programmable resolution and sampling rates. Interrupts from the devices alert the host processor when data is ready, when the screen is touched, or a key press is detected. Software-configurable scan control and internal Timers give the user flexibility without burdening the host processor. These devices consume only 260A at the maximum sampling rate of 50ksps. Supply current falls to below 50A for sampling rates of 10ksps. The MAX1233 MAX1234 are guaranteed over the -40C to +85C temperature range.
By Maxim Integrated Products
MAX1234 's PackagesMAX1234 's pdf datasheet
MAX1234EGI QFN
MAX1234EGI-T QFN
MAX1234ETI QFN
MAX1234ETIT QFN




MAX1234 Pinout, Pinouts
MAX1234 pinout,Pin out
This is one package pinout of MAX1234,If you need more pinouts please download MAX1234's pdf datasheet.

MAX1234 Application circuits
MAX1234 circuits
This is one application circuit of MAX1234,If you need more circuits,please download MAX1234's pdf datasheet.


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