Datasheet MAX4080, MAX4081 (Maxim) - 2

MAX4080/MAX4081 76V, High-Side, Current-Sense Amplifiers with Voltage Output
Absolute Maximum Ratings
VCC to GND ..-0.3V to +80V Continuous Power Dissipation (TA = +70°C) RS+, RS- to GND ..-0.3V to +80V 8-Pin ?MAX (derate 4.5mW/°C above +70°C) ..362mW OUT to GND .. -0.3V to the lesser of +18V or (VCC + 0.3V) 8-Pin SO (derate 5.88mW/°C above +70°C) ...471mW REF1A, REF1B to GND Operating Temperature Range ... -40°C to +125°C (MAX4081 Only) -0.3V to the lesser of +18V or (VCC + 0.3V) Junction Temperature ..+150°C Output Short Circuit to GND..Continuous Storage Temperature Range .. -65°C to +150°C Differential Input Voltage (VRS+ - VRS-) ..±80V Lead Temperature (soldering, 10s) ...+300°C Current into Any Pin ...±20mA 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.
DC Electrical Characteristics
(VCC = VRS+ = 4.5V to 76V, VREF1A = VREF1B = 5V (MAX4081 only), VSENSE = (VRS+ - VRS-) = 0V, RLOAD = 100kΩ, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Notes 1, 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating Voltage Range VCC Inferred from PSRR test 4.5 76 V Common-Mode Range CMVR Inferred from CMRR test (Note 3) 4.5 76 V MAX4080 75 190 Supply Current ICC VCC = VRS+ = 76V, no load µA MAX4081 103 190 Leakage Current IRS+, IRS- VCC = 0V, VRS+ = 76V 0.01 2 µA Input Bias Current IRS+, IRS- VCC = VRS+ = 76V 5 12 µA MAX4080F/MAX4081F ±1000 Full-Scale Sense Voltage (Note 4) VSENSE MAX4080T/MAX4081T ±250 mV MAX4080S/MAX4081S ±100 MAX4080F/MAX4081F 5 Gain AV MAX4080T/MAX4081T 20 V/V MAX4080S/MAX4081S 60 TA = +25°C ±0.1 ±0.6 V Gain Accuracy CC = VRS+ = 48V DAV TA = -40°C to +85°C ±1 % (Note 5) TA = TMIN to TMAX ±1.2 TA = +25°C ±0.1 ±0.6 V Input Offset Voltage V CC = VRS+ = 48V OS TA = -40°C to +85°C ±1 mV (Note 6) TA = TMIN to TMAX ±1.2 Common-Mode Rejection Ratio (Note 7) CMRR VCC = 48V, VRS+ = 4.5V to 76V 100 124 dB Power-Supply Rejection Ratio (Note 7) PSRR VRS+ = 48V, VCC = 4.5V to 76V 100 122 dB MAX4080F/MAX4081F, VCC = 4.5V, VRS+ VSENSE = 1000mV = 48V, VREF1A = MAX4080T/MAX4081T, OUT High Voltage (VCC – VOH) VREF1B = 2.5V, 0.15 0.27 V V I SENSE = 250mV OUT (sourcing) = +500µA (Note 8) MAX4080S/MAX4081S, VSENSE = 100mV www.maximintegrated.com Maxim Integrated │ 2