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74LVC2G53GD датащи(PDF) 14 Page - NXP Semiconductors |
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74LVC2G53GD датащи(HTML) 14 Page - NXP Semiconductors |
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14 / 23 page ![]() 74LVC2G53_5 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 05 — 18 June 2008 14 of 23 NXP Semiconductors 74LVC2G53 2-channel analog multiplexer/demultiplexer 11.3 Test circuits α iso isolation (OFF-state) RL =50 Ω; CL = 5 pF; fi = 10 MHz; see Figure 21 VCC = 1.65 V - −42 - dB VCC = 2.3 V - −42 - dB VCC = 3.0 V - −40 - dB VCC = 4.5 V - −40 - dB Qinj charge injection CL = 0.1 nF; Vgen =0V; Rgen =0 Ω; fi = 1 MHz; RL =1MΩ; see Figure 22 VCC = 1.8 V - 3.3 - pC VCC = 2.5 V - 4.1 - pC VCC = 3.3 V - 5.0 - pC VCC = 4.5 V - 6.4 - pC VCC = 5.5 V - 7.5 - pC Table 12. Additional dynamic characteristics …continued At recommended operating conditions; voltages are referenced to GND (ground = 0 V); Tamb =25 °C. Symbol Parameter Conditions Min Typ Max Unit Fig 19. Test circuit for measuring total harmonic distortion D 001aad394 600 Ω 10 µF 0.1 µF S Z Y0 Y1 VCC 0.5VCC GND CL RL switch switch 1 1 2 2 VIH VIL S VIL VIL E fi VIL or VIH E VIL Adjust fi voltage to obtain 0 dBm level at output. Increase fi frequency until dB meter reads −3dB. Fig 20. Test circuit for measuring the frequency response when switch is in ON-state dB 001aad395 50 Ω 0.1 µF S Z E Y0 Y1 VCC 0.5VCC GND CL RL switch switch 1 1 2 2 VIH VIL S VIL VIL E fi VIL or VIH VIL |
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