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ADBMS2950BCCSZ 数据表(PDF) 9 Page - Analog Devices |
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ADBMS2950BCCSZ 数据表(HTML) 9 Page - Analog Devices |
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9 / 97 page ![]() Data Sheet ADBMS2950B Rev. 0 | Page 9 of 97 Parameter Min Typ Max Unit Test Conditions/Comments VREG Supply Current for isoSPI ISOMD = 0, READY 2.6 3.2 3.9 mA ISOMD = 0, ACTIVE1 7 8.5 11.5 mA tCLK = 0.5 μs ISOMD = 1, READY 3.7 mA ISOMD = 1, ACTIVE WRITE1 7.5 9 12 mA tCLK = 0.5 μs ISOMD = 1, ACTIVE READ1 12.5 14 18 mA tCLK = 0.5 μs Thermal Shutdown Temperature 150 °C 1 The active state current is the additional average supply current flowing into VREG when there is continuous 2 MHz communications on the (iso)SPI ports and is calculated from DC measurements. Slower clock rates reduce the supply current. Table 13. Supply Monitors Parameter Min Typ Max Unit Test Conditions/Comments VREG Power-on Reset1 2.8 4.1 V VREG MONITOR THRESHOLDS When leaving the VREG operating range Undervoltage (UV) 4.325 4.425 V Overvoltage (OV) 5.575 5.675 V VDIG MONITOR THRESHOLDS When leaving the VDIG operating range Undervoltage (UV) 2.725 2.825 V Overvoltage (OV) 3.475 3.575 V VDD UNDERVOLTAGE MONITOR THRESHOLDS VDDUV 3.925 4.475 VDRUV 8 V 1 The Min value defines the minimum negative-going reset threshold, and the Max value defines the maximum positive-going reset threshold. |
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