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ISO1540DR Datasheet(PDF) 4 Page - Texas Instruments |
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ISO1540DR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 21 page ISO1540 ISO1541 SLLSEB6A – JULY 2012 – REVISED OCTOBER 2012 www.ti.com ELECTRICAL CHARACTERISTICS Over recommended operating conditions, unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT (3V ≤ VCC1, VCC2 ≤ 3.6V) ISO1540 2.4 3.6 VSDA1, ICC1 Supply Current, Side 1 ISO1541 VSCL1 = GND1; 2.1 3.3 VSDA2, ISO1540 and ICC2 Supply Current, Side 2 1.7 2.7 VSCL2 = GND2 See Figure 1; ISO1541 R1,R2 = Open, mA ISO1540 2.5 3.8 C1,C2 = Open VSDA1, ICC1 Supply Current, Side 1 ISO1541 VSCL1 = VCC1; 2.3 3.6 VSDA2, ISO1540 and ICC2 Supply Current, Side 2 1.9 3.1 VSCL2 = VCC2 ISO1541 SUPPLY CURRENT (4.5 V ≤ VCC1, VCC2 ≤ 5.5 V) ISO1540 3.1 4.7 VSDA1, ICC1 Supply Current, Side 1 ISO1541 VSCL1 = GND1; 2.8 4.4 VSDA2, ISO1540 and ICC2 Supply Current, Side 2 2.3 3.7 VSCL2 = GND2 See Figure 1; ISO1541 R1,R2 = Open, mA ISO1540 3.1 4.7 C1,C2 = Open VSDA1, ICC1 Supply Current, Side 1 ISO1541 VSCL1 = VCC1; 2.9 4.5 VSDA2, ISO1540 and ICC2 Supply Current, Side 2 2.5 4 VSCL2 = VCC2 ISO1541 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SIDE 1 (Only) Voltage Input Threshold “Low”, VILT1 500 550 660 Side 1 (SDA1, SCL1) Voltage Input Threshold “High”, VIHT1 540 610 700 Side 1 (SDA1, SCL1) Voltage Input Hysteresis, VHYST1 40 60 Side 1 VIHT1- VILT1 mV Low-Level Output Voltage, VOL1 (1) 650 800 Side 1 (SDA1,SCL1) 0.5 mA ≤ (ISDA1 and Low-Level Output Voltage to High-Level Input Voltage ISCL1) ≤ 3.5 mA ΔVOIT1 (1) (2) Threshold Difference, 50 Side 1 (SDA1, SCL1) SIDE 2 (Only) Voltage Input Threshold “Low”, 0.3 x 0.4 x VILT2 Side 2 (SDA2, SCL2) VCC2 VCC2 Voltage Input Threshold “High”, 0.4 x 0.5 x VIHT2 Side 2 (SDA2, SCL2) VCC2 VCC2 mV Voltage Input Hysteresis, 0.05 x VHYST2 Side 2 VIHT2 - VILT2 VCC2 Low-Level Output Voltage, 0.5 mA ≤ (ISDA2 and VOL2 400 Side 2 (SDA2, SCL2) ISCL2) ≤ 35 mA BOTH SIDES Input Leakage Currents VSDA1, VSCL1 = VCC1; |II| 0.01 10 µA (SDA1, SCL1, SDA2, SCL2) VSDA2, VSCL2 = VCC2 Input Capacitance to Local Ground VI = 0.4 x sin(2E6πt) + CI 7 pF (SDA1, SCL1, SDA2, SCL2) 2.5 V CMTI Common-Mode Transient Immunity See Figure 3 25 50 kV/µs VCC Undervoltage Lockout Threshold VCCUV (3) 2.1 2.5 2.8 V (Side 1 and Side 2) (1) This parameter does not apply to the ISO1541 SCL1 line as it is uni-directional. (2) ∆VOIT1 = VOL1 – VIHT1. This represents the minimum difference between a Low-Level Output Voltage and a High-Level Input Voltage Threshold to prevent a permanent latch condition that would otherwise exist with bi-directional communication. (3) Any VCC voltages, on either side, less than the minimum will ensure device lockout. Both VCC voltages above the maximum will prevent device lockout. 4 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Links: ISO1540 ISO1541 |
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