MAX9940EVKIT+ Maxim Integrated Products, MAX9940EVKIT+ Datasheet
MAX9940EVKIT+
Specifications of MAX9940EVKIT+
Related parts for MAX9940EVKIT+
MAX9940EVKIT+ Summary of contents
Page 1
... The EXT port is protected up to 28V. The device features a reaction time of 60ns for fast action during fault conditions and operates over the -40°C to +125°C automotive temperature range. Notebook Computers Portable Devices Industrial Equipment 1-Wire is a registered trademark of Maxim Integrated Products, Inc 3.3V DD ENABLE MICROCONTROLLER 2kΩ ...
Page 2
Signal-Line Overvoltage Protector for Low-Voltage Devices ABSOLUTE MAXIMUM RATINGS (All voltages with respect to GND.) V ...........................................................................-0.3V to +6V CC INT ............................................................................-0.3V to +6V EXT .........................................................................-0.3V to +30V Continuous Input Current into Any Terminal.....................±20mA Stresses beyond those listed under “Absolute ...
Page 3
Signal-Line Overvoltage Protector (V = +3.3V 2kΩ INT_PULLUP DD ON-RESISTANCE ...
Page 4
Signal-Line Overvoltage Protector for Low-Voltage Devices (V = +3.3V 2kΩ INT_PULLUP DD FAULT TURN-ON TIME EXT 5V/div 0 INT 2V/div 0 TIME (100ns/div) FAULT TURN-ON AND RECOVERY TIME (SCHOTTKY DIODE FROM INT TO V EXT ...
Page 5
Signal-Line Overvoltage Protector PIN NAME 1 V Power Supply. Can be connected to a microcontroller enable input GND Ground 3 N.C. No Connection. Not internally connected. 4 INT Microcontroller I/O Port. Connection to a microcontroller data port. 5 ...
Page 6
Signal-Line Overvoltage Protector for Low-Voltage Devices MICROCONTROLLER Rx Tx Figure 1. Recommended Scheme for Battery-Operated Devices that Need to Shut Down the MAX9940 and Prevent Power Draw During Short to GND Faults In all three schemes, the MAX9940 protects the ...
Page 7
Signal-Line Overvoltage Protector MICROCONTROLLER Rx Tx Figure 2. Recommended Scheme for Applications that Require the MAX9940 to be Put into Shutdown MICROCONTROLLER Rx Tx Figure 3. Recommended Operating Circuit for Nonbattery-Operated Applications _______________________________________________________________________________________ for Low-Voltage Devices V = 3.3V DD ...
Page 8
Signal-Line Overvoltage Protector for Low-Voltage Devices Pin Configuration TOP VIEW + MAX9940 GND 2 N.C. 3 SC70 8 _______________________________________________________________________________________ PROCESS: BiCMOS 5 EXT 4 INT Chip Information ...
Page 9
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 9 © 2009 Maxim Integrated Products ...