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ISO7420DR Datasheet(PDF) 7 Page - Texas Instruments |
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ISO7420DR Datasheet(HTML) 7 Page - Texas Instruments |
7 / 19 page ISO7420, ISO7420M ISO7421, ISO7421M www.ti.com SLLS984A – JUNE 2009 – REVISED DECEMBER 2009 ELECTRICAL CHARACTERISTICS VCC1 and VCC2 at 3.3 V ±10%, TA = –55°C to 125°C for ISO7421M, TA = –40°C to 105°C for ISO7421 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IOH = –4 mA; see Figure 1. VCC – 0.4 3 VOH High-level output voltage V IOH = –20 μA; see Figure 1. VCC – 0.1 3.3 IOL = 4 mA; see Figure 1. 0.2 0.4 VOL Low-level output voltage V IOL = 20 μA; see Figure 1. 0 0.1 VI(HYS) Input threshold voltage hysteresis 400 mV IIH High-level input current 10 μA IN from 0 V or VCC IIL Low-level input current –10 μA CI Input capacitance to ground IN at VCC, VI = 0.4 sin (4E6πt) 1 pF Common-mode transient CMTI VI = VCC or 0 V; see Figure 3. 25 40 kV/ μs immunity SUPPLY CURRENT ISO7420 Quiescent 0.2 0.5 25 Mbps 0.8 1.3 ICC1 Supply current for VCC1 VI = VCC or 0 V, no load mA 100 Mbps 2.1 3.5 200 Mbps 4 7 Quiescent 2 3.5 25 Mbps 2.7 5 ICC2 Supply current for VCC2 VI = VCC or 0 V, no load mA 100 Mbps 4.5 7.5 200 Mbps 7 12 ISO7421 Quiescent 1.5 2.5 25 Mbps 2.2 3.5 ICC1 Supply current for VCC1 VI = VCC or 0 V, no load mA 100 Mbps 4.2 6 200 Mbps 7.2 9 Quiescent 1.5 2.5 25 Mbps 2.2 3.5 ICC2 Supply current for VCC2 VI = VCC or 0 V, no load mA 100 Mbps 4.2 6 200 Mbps 7.2 9 SWITCHING CHARACTERISTICS VCC1 and VCC2 at 3.3 V ± 10%, TA = –55°C to 125°C for ISO7421M, TA = –40°C to 105°C for ISO7421 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPLH, tPHL Propagation delay time 12 18 ns PWD(1) Pulse duration distortion |tPHL – tPLH| See Figure 1. 1 3 ns tsk(pp) Part-to-part skew time 4 ns tsk(o) Channel-to-channel output skew time 3.5 ns tr Output signal rise time 2 ns See Figure 1. tf Output signal fall time 2 ns tfs Fail-safe output delay time from input power loss See Figure 2. 6 μs tui Input pulse duration 10 5 ns 1 / tui Signaling rate 0 200 100 Mbps (1) Also known as pulse skew. Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): ISO7420, ISO7420M ISO7421, ISO7421M |
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