MAX4373/MAX4374/MAX4375 Low-Cost, Micropower, High-Side Current-Sense Amplifier + Comparator + Reference ICs Absolute Maximum Ratings VCC, RS+, RS- to GND ...-0.3V to +30V Continuous Power Dissipation (TA = +70°C) OUT to GND ..-0.3V to the lesser of 8-Pin µMAX (derate 4.1mW/°C above +70°C) ...330mW (VCC + 0.3V) or +15V 8-Pin SO (derate 5.9mW/°C above +70°C)..471mW CIN1, CIN2, RESET to GND ..-0.3V to the lesser of 10-Pin µMAX (derate 5.6mW/°C above +70°C) ...444mW (VCC + 0.3V) or +12V 14-Pin SO (derate 8.3mW/°C above +70°C)..667mW Differential Input Voltage (VRS+ - VRS-) ..±0.3V Operating Temperature Range ...-40°C to +85°C COUT1, COUT2 to GND..-0.3V to +6.0V Junction Temperature ..+150°C Current into Any Pin..±10mA Storage Temperature Range ...-65°C to +150°C Lead Temperature (soldering, 10s) ...+300°C Soldering Temperature (reflow) ...+260°C 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. Electrical Characteristics (VCC = +2.7V to +28V, VRS+ = 0 to +28V, VSENSE = 0V, VRESET = 0V, RLOAD= 1MΩ, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS Operating Voltage Range VCC 2.7 28 V (Note 2) Common-Mode Input Range VCMR 0 28 V (Note 3) Common-Mode Rejection CMR VRS+ > 2V 85 dB Supply Current ICC VRS+ > 2V, VSENSE = 5mV 50 100 µA Leakage Current IRS+, IRS- VCC = 0V, VRS+ = 28V ±0.015 ±0.5 µA VRS+ > 2V 0 2.5 IRS+ VRS+ ≤ 2V -25 2.0 Input Bias Current µA VRS+ > 2V 0 4 IRS- VRS+ ≤ 2V -50 4 Full-Scale Sense Voltage Gain = +20V/V, +50V/V, VRS+ = 12V 150 170 V mV (Note 4) SENSE Gain = +100V/V, VRS+ = 12V 100 120 V TA = +25°C 0.1 1 CC = VRS+ = 12V Input Offset Voltage VOS mV (Note 11) TA = TMIN to TMAX 2 T V A = +25°C ±0.30 ±2 CC = 12V, V V RS+ = 12V TA = TMIN to TMAX ±3 SENSE = 100mV TA = +25°C ±0.35 ±2 VCC = 28V, Total OUT Voltage Error (Note 6) V V RS+ = 28V OUT TA = TMIN to TMAX ±3 % (Note 5) VCC = 12V, VRS+ = 0.1V ±5.0 VSENSE = 6.25mV, VCC = 12V, ±5.0 VRS+ = 12V (Note 7) I V OUT = 10µA 2.5 OUT Voltage Low V CC = 2.7V, OUT mV VRS+ = 12V IOUT = 100µA 8.5 65 VCC - OUT Voltage High VCC = 2.7V, IOUT = -500µA, VRS+ = 12V 0.25 V VOH www.maximintegrated.com Maxim Integrated | 2
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