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ADBMS1818ASWAZ-R7 数据表(PDF) 8 Page - Analog Devices |
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ADBMS1818ASWAZ-R7 数据表(HTML) 8 Page - Analog Devices |
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8 / 92 page  Data Sheet ADBMS1818 SPECIFICATIONS analog.com Rev. B | 8 of 92 SPI DC SPECIFICATIONS Table 5. Parameter Test Conditions/Comments Min Typ Max Unit SPI Pin Digital Input Voltage High (VIH(SPI)) CSB, SCK, and SDI pins, apply over the full specified temperature range 2.3 V SPI Pin Digital Input Voltage Low （VIL(SPI)) CSB, SCK, and SDI pins, apply over the full specified temperature range 0.8 V Configuration Pin Digital Input Voltage High (VIH(CFG)) ISOMD, DTEN, and GPIO1 to GPIO9 pins, apply over the full specified temperature range 2.7 V Configuration Pin Digital Input Voltage Low (VIL(CFG)) ISOMD, DTEN, and GPIO1 to GPIO9 pins, apply over the full specified temperature range 1.2 V Digital Input Current (ILEAK(DIG)) CSB, SCK, SDI, ISOMD, and DTEN pins, apply over the full specified temperature range ±1 μA Digital Output Low (VOL(SDO)) SDO pin sinking 1 mA, apply over the full specified temperature range 0.3 V ISOSPI DC SPECIFICATIONS See Figure 78. Table 6. Parameter Test Conditions/Comments Min Typ Max Unit Voltage on IBIAS Pin (VBIAS) Ready/active state, apply over the full specified temperature range 1.9 2.0 2.1 V Idle state 0 V Isolated Interface Bias Current (IB) RBIAS = 2 kΩ to 20 kΩ, apply over the full specified temperature range 0.1 1.0 mA Isolated Interface Current Gain (AIB) Transmitter pulse amplitude (VA) = ≤ 1.6 V, IB = 1 mA, apply over the full specified temperature range 18 20 22 mA/mA IB = 0.1 mA, apply over the full specified temperature range 18 20 24.5 mA/mA Transmitter Pulse Amplitude (VA) VA = IPx voltage (VIPx) – IMx voltage (VIMx), apply over the full specified temperature range 1.6 V Threshold-Setting Voltage on ICMP Pin (VICMP) Receiver comparator threshold voltage (VTCMP) = receiver comparator threshold voltage gain (ATCMP) × VICMP, apply over the full specified temperature range 0.2 1.5 V Input Leakage Current on ICMP Pin (ILEAK (ICMP)) VICMP = 0 V to VREG, apply over the full specified temperature range ±1 µA Leakage Current on IPx and IMx Pins (ILEAK (IPx/ IMx)) Idle state, VIPx or VIMx, 0 V to VREG, apply over the full specified temperature range ±1 µA Receiver Comparator Threshold Voltage Gain (ATCMP) Receiver common-mode bias (VCM) = VREG/2 to VREG – 0.2 V, VICMP = 0.2 V to 1.5 V, apply over the full specified temperature range 0.4 0.5 0.6 V/V Receiver Common-Mode Bias (VCM) IPx and IMx not driving (VREG – VICMP/3 – 167 mV) V Receiver Input Resistance (RIN) Single-ended to the IPA, IMA, IPB, and IMB pins, apply over the full specified temperature range 26 35 45 kΩ |
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