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MAX9938HEUK+ Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX9938HEUK+ Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 14 page 1µA, 4-Bump UCSP/SOT23, Precision Current-Sense Amplifier 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VRS+ = VRS- = 3.6V, VSENSE = (VRS+ - VRS-) = 0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at 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. Note 1: All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design. Note 2: VOUT = 0. ICC is the total current into RS+ plus RS- pins. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VRS+ = 5V, TA = +25°C 0.5 0.85 VRS+ = 5V, -40°C < TA < +85°C 1.1 VRS+ = 28V, TA = +25°C 1.1 1.8 Supply Current (Note 2) ICC VRS+ = 28V, -40°C < TA < +85°C 2.5 µA Common-Mode Input Range VCM Guaranteed by CMRR , -40°C < TA < +85°C 1.6 28 V Common-Mode Rejection Ratio CMRR 1.6V < VRS+ < 28V, -40°C < TA < +85°C 94 130 dB TA = +25°C ±100 ±500 Input Offset Voltage (Note 3) VOS -40°C < TA < +85°C ±600 µV MAX9938T 25 MAX9938F 50 MAX9938H 100 Gain G MAX9938W 200 V/V TA = +25°C ±0.1 ±0.5 Gain Error (Note 4) GE -40°C < TA < +85°C ±0.6 % MAX9938T/F/H 7.0 10 13.2 Output Resistance ROUT (Note 5) MAX9938W 14.0 20 26.4 k Ω Gain = 25 1.5 15 Gain = 50 3 30 Gain = 100 6 60 OUT Low Voltage VOL Gain = 200 12 120 mV OUT High Voltage VOH VOH = VRS- - VOUT (Note 6) 0.1 0.2 V VSENSE = 50mV, gain = 25 125 VSENSE = 50mV, gain = 50 60 VSENSE = 50mV, gain = 100 30 Small-Signal Bandwidth (Note 5) BW VSENSE = 50mV, gain = 200 15 kHz Output Settling Time tS 1% final value, VSENSE = 50mV 100 µs Power-Up Time tON 1% final value, VSENSE = 50mV 200 µs RS+, RS- to GND....................................................-0.3V to +30V OUT to GND .............................................................-0.3V to +6V RS+ to RS- ...........................................................................±30V Short-Circuit Duration: OUT to GND ..........................Continuous Continuous Input Current (Any Pin)..................................±20mA Continuous Power Dissipation (TA = +70°C) 4-Bump UCSP (derate 3.0mW/°C above +70°C).........238mW 5-Pin SOT23 (derate 3.9mW/°C above +70°C)............312mW 6-Pin µDFN (derate 4.5mW/°C above +70°C) .............358mW Operating Temperature Range ...........................-40°C to +85°C Junction Temperature ......................................................+150°C Storage Temperature Range ............................-65°C to +150°C Bump Temperature (soldering) Reflow............................+260°C Lead Temperature (soldering, 10s) .................................+300°C Soldering Temperature (reflow) .......................................+260°C |
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