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ADP1046AACPZ-R7 数据表(PDF) 6 Page - Analog Devices |
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ADP1046AACPZ-R7 数据表(HTML) 6 Page - Analog Devices |
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6 / 88 page  ADP1046A Data Sheet Rev. 0 | Page 6 of 88 Parameter Symbol Test Conditions/Comments Min Typ Max Unit CURRENT SENSE 2 (CS2+, CS2− PINS) Input Voltage Range V IN Differential voltage from CS2+ to CS2−, LSB = 29.297 μV 0 120 mV Usable Input Voltage Range 0 110 mV ADC Clock Frequency 1.56 MHz Temperature Coefficient 120 mV Range 0 mV to 100 mV 78 ppm/°C 0 mV to 50 mV 70 ppm/°C 60 mV Range 0 mV to 50 mV 156 ppm/°C 0 mV to 25 mV 140 ppm/°C Current Sense Measurement 120 mV Setting 0 mV to 110 mV −2.1 +2.1 % FSR −2.52 +2.52 mV 60 mV Setting 0 mV to 55 mV −4.2 +4.2 % FSR −5.04 +5.04 mV Current Sense Measurement Accuracy With 0.01% level shifting resistors 120 mV Setting 0 mV to 100 mV, V DD = 3.3 V −0.9 +0.9 % FSR −1.08 +1.08 mV 60 mV Setting 0 mV to 55 mV, V DD = 3.3 V −1.8 +1.8 % FSR −2.16 +2.16 mV Current Sense Measurement Resolution 12 Bits CS2 Accurate OCP Speed 2.62 5.24 ms Current Sink (High Side) 2 mA Current Source (Low Side) 200 μA Common-Mode Voltage at the CS2+ and CS2− Pins To achieve CS2 measurement accuracy 0.8 1.0 1.4 V OrFET PROTECTION (CS2+, CS2−) Low-side and high-side current sensing Fast OrFET Accuracy −3 mV setting +3.5 −3.00 −9.5 mV −6 mV setting +0.29 −6.21 −12.71 mV −9 mV setting −2.68 −9.43 −16.18 mV −12 mV setting −5.89 −12.64 −19.39 mV −15 mV setting −9.01 −15.86 −22.71 mV −18 mV setting −12.22 −19.07 −25.92 mV −21 mV setting −15.29 −22.29 −29.29 mV −24 mV setting −18.50 −25.50 −32.50 mV Fast OrFET Speed Debounce = 40 ns 110 150 ns RTD TEMPERATURE SENSE ADC Clock Frequency 1.56 MHz Input Voltage Range RTD to AGND 0 1.6 V Usable Input Voltage Range 0 1.3 V Source Current Factory trimmed to 46 μA (Register 0x11 set to 0xE6) 44.35 46 47.65 µA Current source set to 10 µA 9.25 10.1 10.85 µA Current source set to 20 µA 18.35 20.1 21.85 µA Current source set to 30 µA 28.45 30.2 31.95 µA Current source set to 40 µA 38.45 40.3 41.95 µA Source Current Fine Setting See Register 0x11[5:0] 160 nA RTD ADC Register Update Rate 10 ms Resolution 12 Bits |
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