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DFE252012F-R47M Datasheet(PDF) 16 Page - Analog Devices |
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DFE252012F-R47M Datasheet(HTML) 16 Page - Analog Devices |
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16 / 122 page  Electrical Characteristics—ADC (VSYS = 12V, VCE = 1.8V, VIO = 1.8V, TA = TJ = -40°C to +125°C, typical values are at TA = TJ = +25°C, unless otherwise noted. Note 2.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS READBACK ACCURACY (Note 7) Output-Current Readback Accuracy IOUT_ADC 1Φ, IOUT = IOUT(MAX) TJ = -40°C to +85°C 5 % TJ = +125°C 7.5 Output-Voltage Readback Accuracy VOUT_ADC TJ = -40°C to +85°C 3 % TJ = +125°C 5 SYS Input-Voltage Readback Accuracy VSYS_ADC 3.0V ≤ VSYS ≤ 16V TJ = -40°C to +85°C 3 % TJ = +125°C 5 Junction Temperature Readback Accuracy TJ_ADC TJ = +85°C to +125°C 5 % MFIO Voltage Readback Accuracy VMFIO_ADC TJ = -40°C to +85°C 3 % TJ = +125°C 5 TIMING (Note 6) Clock Frequency fADC 1 MHz ADC Startup Time tADC_SU One of buck outputs is enabled 22 μs All buck outputs are disabled 26 ADC Sampling Time tSAMPLE Per channel IOUTx, TJ 1 ms VOUTx, VSYS, VMFIOx 18 μs Conversion Time tCONV Per channel 18 μs Sampling Interval for Averaging Mode tINT_AVG Sampling interval for the same channel in averaging mode 5 ms Sampling Interval for Continuous Measurement tINT_CONT Sampling interval for the same channel during continuous measurement operation 1 s Electrical Characteristics—I2C Serial Interface (VSYS = 12V, VCE = 1.8V, VIO = 1.8V, TA = TJ = -40°C to +125°C, typical values are at TA = TJ = +25°C, unless otherwise noted. Note 2.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS I/O STAGE VIO Supply Voltage VIO 1.1 1.8 2.0 V VIO Dynamic Supply Current IIO fSCL = fSDA = 3.4MHz, VCE = 1.8V, all bucks are disabled 5 μA SYS Dynamic Supply Current ISYS fSCL = fSDA = 3.4MHz, VCE = 1.8V, all bucks are disabled 40 µA VIO Undervoltage Lock- Out (UVLO) VIO_UVLO_R VIO rising 1.06 1.09 1.12 V VIO_UVLO_F VIO falling 0.96 0.99 1.02 SCL, SDA Input Logic Low Threshold VIL 0.25 x VIO V MAX77542 16VIN/16A, Quad-Phase High-Efficiency Buck Converter www.analog.com Analog Devices | 16 |
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