MAS9171A Micro Analog Systems, MAS9171A Datasheet
MAS9171A
Related parts for MAS9171A
MAS9171A Summary of contents
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... DESCRIPTION The MAS9171A is an eight channel protection circuit for microprocessors in automotive applications. All inputs are protected against energy rich pulses according to DIN40839/ISO7637. Internal analog filters and suitable input threshold FEATURES 8 digital channels Supply voltage 3.3 V/5 V Low supply current High voltage inputs Internal analog filter ...
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PIN CONFIGURATION PIN DESCRIPTION Pin Name Pin GND 1 IN1 2 IN2 3 IN3 4 IN4 5 IN5 6 IN6 7 IN7 8 IN8 9 OUT8 10 OUT7 11 OUT6 12 OUT5 13 OUT4 14 OUT3 15 OUT2 16 OUT1 ...
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ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage Input Voltage ESD Voltage Output Current (Note 1) Ambient Temperature Storage Temperature RECOMMENDED OPERATION CONDITIONS Parameter Symbol Supply Voltage V Supply Current I DD ELECTRICAL CHARACTERISTICS Parallel input port Parameter Input High Voltage (Note ...
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... The input protection is composed of a high voltage thin film series resistor, a metal-to-metal capacitor to ground and a Zener diode to GND. The circuit provides the ability of withstanding energy rich voltage pulses as well as fast transient high voltage bursts without damaging the MAS9171A or devices connected to it. The resistance of each input to ground is approx. 225 kOhms. Each input is protected against electrostatic discharge (ESD) according to Machine Model EIAJ ED-4701 Method C-111 (+/-500 kV, 200 pF, 0 Ohms) ...
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APPLICATION INFORMATION GENERAL In the late 70ties microcontrollers have been introduced into most of the low cost applications in the field of consumer, industrial and automotive. Lowest cost 8-Bit microcontrollers are used in modern computer monitors for user programmable adjustment ...
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... All inputs are protected against energy rich pulses according to DIN40839/ISO7637. Internal analog filters and suitable input threshold voltages provide the functionality within a noise spectrum of 150KHz up to 1GHz without need of external filter components. The MAS9171A is optimized for low current consumption. ...
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... V Ignition Fig. 5: Application Circuit (Detection of Switches) IMPORTANT ! The MAS9171A shall be placed closely to the microprocessor to avoid voltage spikes at the uC inputs caused by currents on the Supply Pins and/or Pins OUT1 to OUT8. A block capacitor of 33nF close to the Supply Pins is recommended It is important to connect external Pull-Up resistors to V current into the MAS9171A (Note: MAS9171A has internal pull-down of 225Koms to Gnd) ...
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DEVICE PACKAGE OUTLINES 18 LEAD SO OUTLINE (300 MIL BODY) 0.33 x 45° 5° TYP. 5° TYP. 5° TYP. 0.86 TYP. 1.27 5° TYP. TYP. 5°TYP 0.94 1.12 0.25 RAD. MIN. 10.01 10.64 PIN 1 DA9171A.000 July 31, 1997 0-0.13 ...
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... ORDERING INFORMATION Product Code Product MAS9171AS OCTAL Port Protection MAS9171AS-T OCTAL Port Protection LOCAL DISTRIBUTOR MICRO ANALOG SYSTEMS OY CONTACTS Micro Aanalog Systems Oy Kamreerintie 2, P.O.Box 51 FIN-02771 ESPOO, FINLAND NOTICE Micro Aanalog Systems Oy reserves the right to make changes to the products contained in this data sheet in order to improve the design or performance and to supply the best possible products ...