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MAX49140EVKIT Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX49140EVKIT Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 5 page  Evaluates: MAX49140 MAX49140 Evaluation Kit 319-100518; Rev 0; 4/20 General Description The MAX49140 evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX49140 30ns, rail-to-rail single supply comparator. The MAX49140 EV kit comes with a MAX49140AXK/V+ installed that operates off a VDD supply between 2.7V and 5.5V. The MAX49140AXK/V+ is fully specified over -40°C to +125°C automotive temperature range and is AEC-Q100 qualified. Features ● Fast, 30ns Propagation Delay (10mV Overdrive) ● Low Power 100μA Supply Current (VDD = 3V) ● Optimized for 3V and 5V Applications ● Rail-to-Rail Input Voltage Range ● Low, 500μV Offset Voltage ● Internal Hysteresis for Clean Switching ● Output Swing 300mV of Power Rails ● CMOS/TTL-Compatible Outputs ● Small SC70 Package ● AEC-Q100 Qualified ● Proven PCB Layout ● Fully Assembled and Tested Ordering Information appears at end of data sheet. Quick Start Required Equipment ● MAX49140 EV kit ● 2.7V to 5.5V, 100mA DC power supply ● Two precision voltage calibrators ● Two multimeters Procedure The EV kit is fully assembled and tested. Follow the steps below to verify board operation before exercising the full features of the MAX49140 devices: 1) Set the DC power supply output to 5V. Disable the output. 2) Verify that all components except R1/R2/R3 are properly installed. 3) Connect the 5V supply positive terminal to VDD test point on the EV kit. Use the first multimeter to measure the supply current (set the multimeter to measure μA current). 4) Connect the 5V supply ground terminal to GND test point on the EV kit. 5) Connect the second multimeter to measure the voltage on OUT test point on the EV kit. 6) Connect the first calibrator output (set to 0.5V) to IN_P test point on the EV kit. Disable the output. 7) Connect the second calibrator output (set to 0.1V) IN_N test point on the EV kit. Disable the output. 8) Enable the power supply. 9) Enable all the calibrators. 10) Verify that the first multimeter reads less than 180µA. 11) Verify that the second multimeter reads 5V ±0.3V. 12) Disable the calibrators. 13) Disable the power supply output. 14) Set the first calibrator to 0.1V. 15) Set the second calibrator to 0.5V. 16) Enable the power supply output. 17) Enable the calibrators. 18) Verify that the first multimeter reads less than 180µA. 19) Verify that the second multimeter reads 0V ±0.3V. Click here for production status of specific part numbers. |
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