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DS2741N+ Datasheet(PDF) 2 Page - Maxim Integrated Products |
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DS2741N+ Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 9 page Current Monitor and Accumulator with Integrated Sense Resistor 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS RECOMMENDED OPERATING CONDITIONS (TA = -20°C to +70°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. Voltage Range on VCC Relative to GND ...............-0.5V to +6.0V Voltage Range on SDA, SCL, RS+, RS-, SLP Relative to GND.....-0.5V to (VCC + 0.5V), not to exceed +6.0V Continuous Internal Sense Resistor Current ...................... ±2.7A Pulsed Internal Sense Resistor Current .................................. ±10A for <100µs/s, <1000 pulses Operating Temperature Range ...........................-20°C to +70°C Storage Temperature Range .............................-55°C to +125°C Soldering Temperature...........................Refer to the IPC/JEDEC J-STD-020 Specification. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage VCC (Note 1) 2.5 4.5 V Input Logic-High: SCL, SDA VIH 1.5 V Input Logic-Low: SCL, SDA VIL 0.4 V Input Logic-High: SLP VIH 0.7 x VCC V Input Logic-Low: SLP VIL 0.3 x VCC V Power-Up Ramp Time from 0V to VCCMIN tRAMP 25 ms DC ELECTRICAL CHARACTERISTICS (2.5V ≤ VCC ≤ 4.5V, TA = -20°C to +70°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Active Current IACTIVE SLP = SCL = SDA = VCC 60 90 μA Sleep-Mode Current ISLEEP SLP = 0V 1 2 μA Output Logic-Low: SDA VOL IOL = 4mA (Note 1) 0.4 V Internal Current-Sense Resistor Value RSNS +25°C 38 45 m Current Resolution ILSB 2.64 mA Current Full-Scale Magnitude IFS (Note 2) 2.54 2.7 A Current-Sense Accuracy at +25°C ATL ISENSE at 1.5A ±1 ±2 % Current-Sense Accuracy from 0°C to +70°C ATL ISENSE at 1.5A ±2 ±4 % Current Sampling Rate tCSR (Note 3) 200 μs Accumulator Resolution qCA 0.247 mAh tERR1 (Note 4) ±1 ±3 Internal Time-Base Accuracy tERR2 (Note 4) ±6.5 % Current-Sense Offset Measured with RS+ and RS- shorted -10 +10 mA |
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