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MAX1805 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX1805 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 17 page Multichannel Remote/Local Temperature Sensors 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VCC = +3.3V, STBY = VCC, configuration byte = X0XXXX00, TA = 0°C to +125°C, unless otherwise noted.) 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 +6V DXP_, ADD_, STBY to GND........................-0.3V to (VCC + 0.3V) DXN_ to GND ........................................................-0.3V to +0.8V SMBCLK, SMBDATA, ALERT to GND ......................-0.3V to +6V SMBDATA, ALERT Current .................................-1mA to +50mA DXN_ Current......................................................................±1mA Continuous Power Dissipation (TA = +70°C) QSOP (derate 8.30mW/°C above +70°C) ....................667mW TSSOP (derate 9.40mW/°C above +70°C) ..................755mW Operating Temperature Range .........................-55°C to +125°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C DXP_ forced to 1.5V Remote-Diode Source Current Low level (POR state) Configuration byte = X0XXXX10, high level Configuration byte = X0XXXX01, high level High level (POR state) 710 13 200 50 DXN_ Source Voltage 0.7 V Hardware or software standby, SMBCLK at 10kHz SMBus static TA = 0°C to +85°C TA = +60°C to +100°C Average measured over 4s; logic inputs forced VCC or GND Temperature Error, Local Diode (Notes 1, 2) -3.5 +3.5 °C -2.5 +2.5 Including long-term drift Temperature Error, Remote Diode (Notes 2, 3) -5 +5 °C -3 +3 TR = -55°C to +125°C TR = +60°C to +100°C PARAMETER MIN TYP MAX UNITS Undervoltage Lockout Hysteresis 50 mV Undervoltage Lockout Threshold 2.60 2.8 2.95 V Supply Voltage Range 3.0 5.5 V Initial Temperature Error, Local Diode (Note 2) -3 +3 °C Power-On Reset (POR) Threshold 1.3 1.8 2.3 V POR Threshold Hysteresis 50 mV 310 Standby Supply Current 512 µA Temperature Resolution (Note 1) 8 Bits -2 +2 Average Operating Supply Current 400 700 µA Conversion Time 260 320 380 ms 70 100 130 µA Address Pin Bias Current 160 µA CONDITIONS VCC input, disables A/D conversion, rising edge TA = 0°C to +125°C VCC, falling edge From stop bit to conversion complete (all channels) Logic inputs forced to VCC or GND ADD0, ADD1; momentary upon power-on reset Monotonicity guaranteed TA = +60°C to +100°C ADC AND POWER SUPPLY |
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