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MAX11041ETC+ Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX11041ETC+ Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 17 page ABSOLUTE MAXIMUM RATINGS Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. VDD to GND ...........................................................-0.3V to +4.0V INT to GND .................................................-0.3V to (VDD + 0.3V) SCL, SDA, A1, A0, SHDN to GND.........................-0.3V to +4.0V FORCE, SENSE to GND.........................................................±6V Current into Any Pin..........................................................±50mA Maximum ESD per IEC 61000-4-2 Human Body Model, FORCE, SENSE............................±15kV FORCE, SENSE Short to GND....................................Continuous Junction Temperature ......................................................+150°C Operating Temperature Range ...........................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C ELECTRICAL CHARACTERISTICS (VDD = +1.6V to 3.6V, CSENSE = 10nF, RSENSE = 10kΩ, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS KEY DETECTION CHARACTERISTICS MAX11041 30 Detectable Keys Provided the keys meet the next three specifications; RJACK connected; use recommended circuit MAX11042 6 Keys Maximum Switch Resistance (Note 1) 100 Ω Maximum Switch Bounce Time (Note 1) 13 ms External Resistor Tolerance (Note 1) ±1 % SWITCH DEBOUNCE Debounce Analog Time Constant CSENSE = 10nF, external resistor from FORCE to SENSE is 10k Ω (RSENSE) 0.4 ms Chatter Rejection Pulses shorter than this are ignored 18 ms Rising Voltage Debounce Time tCPW Time required for a new voltage (due to keypress) to be detected and stored in FIFO 18 ms Falling Voltage Debounce Time tLPWS Time required for detection of key release and final time duration to be stored in FIFO 18 ms Jack Insertion Debounce Time (Note 2) 18 ms Jack Removal Debounce Time (Note 2) 18 ms DURATION COUNTER Duration-Counter Resolution One tick 32 ms Duration-Counter Range MSB is overflow bit 0 127 Counts Duration-Counter Accuracy ±20 % DIGITAL INPUTS (SDA, SCL, SHDN, A0, A1) Input High Voltage VIH 0.7 x VDD V Input Low Voltage VIL 0.3 x VDD V Input Leakage Current IIH, IIL -10 +10 µA Input Hysteresis 9%VDD Input Capacitance 10 pF Wired Remote Controllers 2 _______________________________________________________________________________________ |
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