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74AHCT1G66GW Folha de dados(PDF) 11 Page - NXP Semiconductors |
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74AHCT1G66GW Folha de dados(HTML) 11 Page - NXP Semiconductors |
11 / 17 page 74AHC_AHCT1G66_4 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 04 — 18 December 2008 11 of 17 NXP Semiconductors 74AHC1G66; 74AHCT1G66 Single-pole single-throw analog switch [1] Adjust input voltage VI to 0 dBm level (0 dBm =1 mW into 50 Ω). 11.3 Test circuits and graphs f(−3dB) −3 dB frequency response RL = 50 Ω; CL =10pF; see Figure 12 and 13 VCC = 3.0 V to 3.6 V - 230 - MHz VCC = 4.5 V to 5.5 V - 280 - MHz αiso isolation (OFF-state) RL = 600 Ω; fi = 1 MHz; see Figure 14 [1] VCC = 3.0 V to 3.6 V; VI = 2.5 V - −50 - dB VCC = 4.5 V to 5.5 V; VI = 4.0 V - −50 - dB Table 12. Additional dynamic characteristics for 74AHC1G66 and 74AHCT1G66 …continued GND = 0 V; tr = tf = 3.0 ns; CL = 50 pF; unless otherwise specified. All typical values are measured at Tamb =25 °C. Symbol Parameter Conditions Min Typ Max Unit Test conditions: VCC = 3.0 V to 3.6 V; VI = 2.5 V (p-p). VCC = 4.5 V to 5.5 V; VI = 4.0 V (p-p). Fig 11. Test circuit for measuring total harmonic distortion 10 µF 2RL 2RL CL fi VIH VO VCC VCC E D Y/Z Z/Y 001aai678 With fi = 1 MHz adjust the switch input voltage for a 0 dBm level at the switch output, (0 dBm = 1 mW into 50 Ω). Then increase the input fi frequency until the dB meter reads −3dB. Fig 12. Test circuit for measuring the −3 dB frequency response 0.1 µF 2RL 2RL CL fi VIH VO VCC VCC E dB Y/Z Z/Y 001aai680 |
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Descrição semelhante - 74AHCT1G66GW |
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