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MAX3186EWP Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX3186EWP Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 8 page _______________Detailed Description ±15kV ESD Protection As with all Maxim devices, ESD-protection structures are incorporated on all pins to protect against electro- static discharges encountered during handling and assembly. The MAX3186 driver outputs and receiver inputs have extra protection against static electricity found in normal operation. Maxim’s engineers devel- oped state-of-the-art structures to protect these pins against ESD of ±15kV, without damage. After an ESD event, the MAX3186 continues working without latchup. ESD protection can be tested in several ways. The transmitter outputs and the receiver inputs are charac- terized for protection to the following: 1) ±15kV using the Human Body Model 2) ±8kV using the Contact-Discharge Method specified in IEC1000-4-2 (formerly IEC801-2) 3) ±15kV using the Air-Gap Method specified in IEC1000-4-2 (formerly IEC801-2) ESD Test Conditions ESD performance depends on a number of conditions. Contact Maxim for a reliability report that documents test setup, methodology, and results. ±15kV ESD-Protected, EMC-Compliant, 230kbps RS-232 Serial Port for Modems _______________________________________________________________________________________ 5 ______________________________________________________________Pin Description PIN NAME FUNCTION 1 VDD Supply-Voltage Input, +10.8V to +13.2V 2, 4, 7, 8, 9 T1OUT–T5OUT Transmitter Outputs, swing between VDD and VSS 3, 5, 6 R1IN, R2IN, R3IN Receiver Inputs 10 VSS Supply-Voltage Input, -10.8V to -13.2V 11 GND Ground. Connect to system ground. 12, 13, 14, 17, 19 T5IN–T1IN Transmitter Inputs 15, 16, 18 R3OUT, R2OUT, R1OUT Receiver Outputs, swing between GND and VCC 20 VCC Supply-Voltage Input, +4.5V to +5.5V CHARGE-CURRENT LIMIT RESISTOR DISCHARGE RESISTANCE STORAGE CAPACITOR Cs 150pF RC 50M to 100M RD 330Ω HIGH- VOLTAGE DC SOURCE DEVICE UNDER TEST Figure 1b. IEC1000-4-2 ESD Generator Current Waveform tr = 0.7ns to 1ns 30ns 60ns t 100% 90% 10% I Figure 1a. IEC1000-4-2 ESD Test Model |
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