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MAX6639 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX6639 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 22 page 2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VCC = +3.0V to +3.6V, TA = 0°C to +125°C, unless otherwise noted. Typical values are at VCC = +3.3V, TA = +85°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. VCC to GND ..............................................................-0.3V to +4V PWM1, PWM2, TACH1, and TACH2 to GND ......-0.3V to +13.5V DXP1 and DXP2 to GND ..........................-0.3V to +(VCC + 0.3V) DXN to GND ..........................................................-0.3V to +0.8V SCL, SDA, THERM, OT, FANFAIL, ADD, and ALERT to GND ..............................................-0.3V to +6V SDA, OT, THERM, ALERT, FANFAIL, PWM1, and PWM2 Current .............................-1mA to +50mA DXN Current .......................................................................±1mA ESD Protection (all pins, Human Body Model) ..................2000V Continuous Power Dissipation (TA = +70°C) 16-Pin QSOP (derated 8.3mW/°C above +70°C) ....... 667mW 16-Pin TQFN 5mm x 5mm (derated at 33.3mW/°C above +70°C)................2666.7mW Operating Temperature Range .........................-40°C to +125°C 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 Operating Supply Voltage Range VCC +3.0 +3.6 V Standby Current SMB static, sleep mode 3 10 µA Operating Current Interface inactive, ADC active 0.5 1 mA VCC = +3.3V, +60 °C ≤ TA ≤ +100°C and +60 °C ≤ TR ≤ +100°C -1.0 +1.0 VCC = +3.3V, +40 °C ≤ TA ≤ +100°C and 0 °C ≤ TR ≤ +145°C -2.5 +2.5 External Temperature Error MAX6639AEE, MAX6639ATE: n = 1.008 MAX6639FAEE: n = 1.021 VCC = +3.3V, 0 °C ≤ TR ≤ +145°C -3.8 +3.8 °C VCC = +3.3V, +25 °C ≤ TA ≤ +100°C -2.0 +2.0 Internal Temperature Error MAX6639AEE, MAX6639ATE VCC = +3.3V, 0 °C ≤ TA ≤ +125°C -4.0 +4.0 °C VCC = +3.3V, +25 °C ≤ TA ≤ +100°C -7.7 -2.5 Internal Temperature Error MAX6639FAEE VCC = +3.3V, 0 °C ≤ TA ≤ +125°C -10.4 -0.1 °C Supply Sensitivity of Temperature Measurement ±0.2 °C/V +0.125 °C Temperature Resolution 11 Bits Conversion Time 125 ms Conversion-Rate Timing Error -10 +10 % PWM Frequency Error -10 +10 % Tachometer Accuracy TA = +60°C to +100°C ±3 % High level 70 100 130 Remote-Diode Sourcing Current Low level 7.0 10 13.0 µA DXN Source Voltage 0.7 V |
Similar Part No. - MAX6639_08 |
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Similar Description - MAX6639_08 |
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