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ISL43410IU-T Datasheet(PDF) 9 Page - Intersil Corporation |
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ISL43410IU-T Datasheet(HTML) 9 Page - Intersil Corporation |
9 / 13 page 9 per decade as frequency increases. Higher load impedances decrease Off Isolation and Crosstalk rejection due to the voltage divider action of the switch OFF impedance and the load impedance. Leakage Considerations Reverse ESD protection diodes are internally connected between each analog-signal pin and both V+ and GND. One of these diodes conducts if any analog signal exceeds V+ or GND. Virtually all the analog leakage current comes from the ESD diodes to V+ or GND. Although the ESD diodes on a given signal pin are identical and therefore fairly well balanced, they are reverse biased differently. Each is biased by either V+ or GND and the analog signal. This means their leakages will vary as the signal varies. The difference in the two diode leakages to the V+ and GND pins constitutes the analog- signal-path leakage current. All analog leakage current flows between each pin and one of the supply terminals, not to the other switch terminal. This is why both sides of a given switch can show leakage currents of the same or opposite polarity. There is no connection between the analog signal paths and V+ or GND. Typical Performance Curves TA = 25oC, Unless Otherwise Specified FIGURE 9. ON RESISTANCE vs SUPPLY VOLTAGE FIGURE 10. ON RESISTANCE vs SWITCH VOLTAGE FIGURE 11. DIGITAL SWITCHING POINT vs SUPPLY VOLTAGE FIGURE 12. SUPPLY CURRENT vs DIGITAL ADDRESS INPUT VOLTAGE 2 5 7 9 11 12 0 100 200 300 400 500 V+ (V) VCOM = (V+) - 1V ICOM = 1mA -40oC 85oC 25oC 3 4 6 8 10 13 VCOM (V) 0 4 6 8 10 12 2 V+ = 3.3V ICOM = 1mA 30 40 50 60 70 80 85oC -40oC 25oC V+ = 12V 60 80 100 120 140 25oC -40oC 85oC V+ = 5V 75 100 150 200 225 175 125 25oC -40oC 85oC V+ (V) 25 3.0 2.5 2.0 1.5 1.0 0.5 34 6789 10 11 12 13 3.0 2.5 2.0 1.5 1.0 0.5 -40oC VINL 85oC -40oC 85oC VINH 25oC 25oC 01.5 0.51 22.5 33.5 44.5 5 140 120 100 80 60 40 20 0 VIN(ADD) (V) V+ = +5V ISL43410 |
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