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ISO7421 Datasheet(PDF) 9 Page - Texas Instruments |
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ISO7421 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 28 page  ISO7420, ISO7420M, ISO7421 www.ti.com SLLS984I – JUNE 2009 – REVISED JULY 2015 6.6 Electrical Characteristics: VCC1 at 5 V ±5%, VCC2 at 3.3 V ±5% TA = –40°C to 125°C for ISO7420M, TA = –40°C to 105°C for ISO742x PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IOH = –4 mA; ISO7421 (5-V side) VCCO (1) – 4.6 see Figure 6. 0.8 VOH High-level output voltage V ISO7420 / 7421 (3.3-V side). VCCO – 0.4 3 IOH = –20 μA; see Figure 6, VCCO – 0.1 VCC IOL = 4 mA; see Figure 6. 0.2 0.4 VOL Low-level output voltage V IOL = 20 μA; see Figure 6. 0 0.1 VI(HYS) Input threshold voltage hysteresis 400 mV IIH High-level input current 10 μA INx at 0 V or VCCI (1) IIL Low-level input current –10 μA CMTI Common-mode transient immunity VI = VCCI or 0 V; seeFigure 8 . 25 40 kV/ μs SUPPLY CURRENT (ALL INPUTS SWITCHING WITH SQUARE WAVE CLOCK SIGNAL FOR DYNAMIC ICC MEASUREMENT) ISO7420 ICC1 Supply current for VCC1 0.4 1 mA DC to 1 Mbps VI = VCCI or 0 V, 15 pF load ICC2 Supply current for VCC2 2 4.5 mA ISO7421 ICC1 Supply current for VCC1 2 4 mA DC to 1 Mbps VI = VCCI or 0 V, 15 pF load ICC2 Supply current for VCC2 1.5 3.5 mA (1) VCCI = Input-side power supply, VCCO = Output-side power supply 6.7 Electrical Characteristics: VCC1 at 3.3 V ±5%, VCC2 at 5 V ±5% TA = –40°C to 125°C for ISO7420M, TA = –40°C to 105°C for ISO742x PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IOH = –4 mA; VCCO (1) – ISO7420 / 7421 (5-V side). 4.6 see Figure 6. 0.8 VOH High-level output voltage V ISO7421 (3.3-V side) VCCO – 0.4 3 IOH = –20 μA; see Figure 6 VCCO – 0.1 VCC IOL = 4 mA; see Figure 6. 0.2 0.4 VOL Low-level output voltage V IOL = 20 μA; see Figure 6. 0 0.1 VI(HYS) Input threshold voltage hysteresis 400 mV IIH High-level input current 10 μA INx at 0 V or VCCI (1) IIL Low-level input current –10 μA CMTI Common-mode transient immunity VI = VCCI or 0 V; see Figure 8. 25 40 kV/ μs SUPPLY CURRENT (ALL INPUTS SWITCHING WITH SQUARE WAVE CLOCK SIGNAL FOR DYNAMIC ICC MEASUREMENT) ISO7420 ICC1 Supply current for VCC1 0.2 0.7 DC to 1 Mbps VI = VCCI or 0 V, 15 pF load mA ICC2 Supply current for VCC2 3 6 ISO7421 ICC1 Supply current for VCC1 1.5 3.5 DC to 1 Mbps VI = VCCI or 0 V, 15 pF load mA ICC2 Supply current for VCC2 2 4 (1) VCCI = Input-side power supply, VCCO = Output-side power supply Copyright © 2009–2015, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: ISO7420 ISO7420M ISO7421 |
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