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ADM1175-3ARMZ-R7 데이터시트(PDF) 4 Page - Analog Devices |
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ADM1175-3ARMZ-R7 데이터시트(HTML) 4 Page - Analog Devices |
4 / 24 page ADM1175 Rev. 0 | Page 4 of 24 Parameter Min Typ Max Unit Conditions MONITORING ACCURACY1 Current Sense Absolute Accuracy −1.45 +1.45 % VSENSE = 75 mV 0°C to +70°C −1.8 +1.8 % VSENSE = 50 mV 0°C to +70°C −2.8 +2.8 % VSENSE = 25 mV 0°C to +70°C −5.7 +5.7 % VSENSE = 12.5 mV 0°C to +70°C −1.5 +1.5 % VSENSE = 75 mV 0°C to +85°C −1.8 +1.8 % VSENSE = 50 mV 0°C to +85°C −2.95 +2.95 % VSENSE = 25 mV 0°C to +85°C −6.1 +6.1 % VSENSE = 12.5 mV 0°C to +85°C −1.95 +1.95 % VSENSE = 75 mV −40°C to +85°C −2.45 +2.45 % VSENSE = 50 mV −40°C to +85°C −3.85 +3.85 % VSENSE = 25 mV −40°C to +85°C −6.7 +6.7 % VSENSE = 12.5 mV −40°C to +85°C VSENSE for ADC Full Scale 105.84 mV This is an absolute value to be used when converting ADC codes to current readings; any inaccuracy in this value is factored into absolute current accuracy values (see specs for Current Sense Absolute Accuracy) Voltage Accuracy −0.85 +0.85 % VCC = 3 V minimum (low range) 0°C to +70°C −0.9 +0.9 % VCC = 6 V minimum (high range) 0°C to +70°C −0.85 +0.85 % VCC = 3 V minimum (low range) 0°C to +85°C −0.9 +0.9 % VCC = 6 V minimum (high range) 0°C to +85°C −0.9 +0.9 % VCC = 3 V minimum (low range) −40°C to +85°C −1.15 +1.15 % VCC = 6 V minimum (high range) −40°C to +85°C VCC for ADC Full Scale, Low Range (VRANGE = 1) 6.65 V VCC for ADC Full Scale, High Range (VRANGE = 0) 26.35 V These are absolute values to be used when converting ADC codes to voltage readings; any inaccuracy in these values is factored into voltage accuracy values (see specs for Voltage Accuracy) I2C TIMING Low Level Input Voltage, VIL 0.3 VBUS V High Level Input Voltage, VIH 0.7 VBUS V Low Level Output Voltage on SDA, VOL 0.4 V IOL = 3 mA Output Fall Time on SDA from VIHMIN to VILMAX 20 + 0.1 CB 250 ns CB = bus capacitance from SDA to GND Maximum Width of Spikes Suppressed by Input Filtering on SDA and SCL Pins 50 250 ns Input Current, II, on SDA/SCL When Not Driving Out a Logic Low −10 +10 μA Input Capacitance on SDA/SCL 5 pF SCL Clock Frequency, fSCL 400 kHz Low Period of the SCL Clock 600 ns High Period of the SCL Clock 1300 ns |
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