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ISL54205A 数据表(PDF) 7 Page - Intersil Corporation |
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ISL54205A 数据表(HTML) 7 Page - Intersil Corporation |
7 / 14 page 7 FN6342.1 December 7, 2006 FIGURE 5. CAPACITANCE TEST CIRCUIT FIGURE 6. AUDIO CROSSTALK TEST CIRCUIT FIGURE 7A. MEASUREMENT POINTS FIGURE 7B. TEST CIRCUIT FIGURE 7. SKEW TEST Test Circuits and Waveforms (Continued) VDD C GND AUDIO OR USB COMx VBUS IMPEDANCE ANALYZER VBUSL or Repeat test for all switches. CTRL VBUSH 0V or Float ANALYZER VDD C L or R SIGNAL GENERATOR RL GND VBUS COMx 32 Ω N.C. COMx R or L Signal direction through switch is reversed, worst case values are recorded. Repeat test for all switches. CTRL DIN+ DIN- OUT+ OUT- 50% 50% 90% 10% 10% 10% 10% 90% 90% 50% 90% 50% tri tfi tro tf0 tskew_i tskew_o OUT+ CL COM- D+ GND VDD C D- COM+ CL OUT- DIN+ DIN- |tro - tri| Delay Due to Switch for Rising Input and Rising Output Signals. |tfo - tfi| Delay Due to Switch for Falling Input and Falling Output Signals. |tskew_0| Change in Skew through the Switch for Output Signals. |tskew_i| Change in Skew through the Switch for Input Signals. 15.8 Ω 15.8 Ω 143 Ω 143 Ω 45 Ω 45 Ω CTRL VBUS VBUSH ISL54205A |
类似零件编号 - ISL54205A |
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类似说明 - ISL54205A |
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