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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MAX5477EUD датащи(PDF) 2 Page - Maxim Integrated Products |
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MAX5477EUD датащи(HTML) 2 Page - Maxim Integrated Products |
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2 / 15 page  Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VDD = +2.7V to +5.25V, H_ = VDD, L_ = GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VDD = +5V, TA = +25°C.) (Note 1) 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. SDA, SCL, VDD to GND .........................................-0.3V to +6.0V All Other Pins to GND.................................-0.3V to (VDD + 0.3V) Maximum Continuous Current into H_, L_, and W_ MAX5477...................................................................... ±5.0mA MAX5478...................................................................... ±1.3mA MAX5479...................................................................... ±0.6mA Continuous Power Dissipation (TA = +70°C) 16-Pin Thin QFN (derate 17.5mW/°C above +70°C) 1399mW 14-Pin TSSOP (derate 9.1mW/°C above +70°C) .........727mW Operating Temperature Range ...........................-40°C to +85°C Maximum Junction Temperature .....................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DC PERFORMANCE (VOLTAGE-DIVIDER MODE) Resolution 256 Taps Integral Nonlinearity INL (Note 2) ±1 LSB Differential Nonlinearity DNL (Note 2) ±0.5 LSB Dual Code Matching R0 and R1 set to same code (all codes) ±1 LSB End-to-End Resistance Temperature Coefficient TCR 35 ppm/°C Ratiometric Resistance Temperature Coefficient 5 ppm/°C MAX5477 -3 MAX5478 -0.6 Full-Scale Error MAX5479 -0.3 LSB MAX5477 3 MAX5478 0.6 Zero-Scale Error MAX5479 0.3 LSB DC PERFORMANCE (VARIABLE-RESISTOR MODE) VDD = 3V ±3 Integral Nonlinearity (Note 3) INL VDD = 5V ±1.5 LSB VDD = 3V, MAX5477, guaranteed monotonic ±1 VDD = 3V, MAX5478 ±1 VDD = 3V, MAX5479 ±1 Differential Nonlinearity (Note 3) DNL VDD = 5V ±1 LSB Dual Code Matching R0 and R1 set to same code (all codes), VDD = 3V or 5V ±3 LSB DC PERFORMANCE (RESISTOR CHARACTERISTICS) Wiper Resistance RW (Note 4) 325 675 Ω Wiper Capacitance CW 10 pF MAX5477 7.5 10 12.5 MAX5478 37.5 50 62.5 End-to-End Resistance RHL MAX5479 75 100 125 k Ω |
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