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DG540 Datasheet(PDF) 7 Page - Vishay Siliconix |
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DG540 Datasheet(HTML) 7 Page - Vishay Siliconix |
7 / 18 page Document Number: 70055 S11-1429–Rev. H, 18-Jul-11 www.vishay.com 7 Vishay Siliconix DG540, DG541, DG542 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 TEST CIRCUITS Figure 2. Switching Time RL RL + rDS(on) VO = VS CL (includes fixture and stray capacitance) V- V+ IN S CL 35 pF D 3 V RL 1 k Ω VO - 3 V GND + 15 V 3 V 0 90 % 50 % tOFF tON VS tr < 20 ns tf < 20 ns Logic Input Switch Input Switch Output Figure 3. Charge Injection ON ON OFF VO ΔVO INX ΔVO = measured voltage error due to charge injection The charge injection in coulombs is ΔQ = CL x DVO CL 1000 pF 3 V Vg VO - 3 V D GND V+ Rg S IN V- + 15 V Figure 4. Off Isolation S IN RL 75 Ω D Rg = 75 Ω VS VO 0 V, 2.4 V Off Isolation = 20 log VS VO V+ - 3 V GND V- C C + 15 V C = RF Bypass Figure 5. Bandwidth C + 15 V S RL 50 Ω D Rg = 50 Ω VS VO - 3 V GND V+ V- C IN 0 V, 2.4 V |
Similar Part No. - DG540_11 |
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