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ISL54065 Fiches technique(PDF) 11 Page - Intersil Corporation |
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ISL54065 Fiches technique(HTML) 11 Page - Intersil Corporation |
11 / 15 page 11 FN6583.0 December 19, 2008 increases. At 1MHz, Crosstalk is about -75dB in 50 Ω systems, decreasing approximately 20dB per decade as frequency increases. Leakage Considerations Reverse ESD protection diodes are internally connected between each analog-signal pin, V+ and GND. One of these diodes conducts if any analog signal exceeds the recommended analog signal range. Virtually all the analog switch leakage current comes from the ESD diodes and reversed biased junctions in the switch cell. Although the ESD diodes on a given signal pin are identical and therefore fairly well balanced, they are reverse biased differently. Each is biased to either the +Ring or -Ring and the analog input signal. This means their leakages will vary as the signal varies. The difference in the two diode leakages to the +Ring or -Ring and the reverse biased junctions at the internal switch cell constitutes the analog-signal-path leakage current. Typical Performance Curves TA = +25°C, Unless Otherwise Specified FIGURE 11. ON-RESISTANCE vs SUPPLY VOLTAGE vs SWITCH VOLTAGE FIGURE 12. ON-RESISTANCE vs SWITCH VOLTAGE FIGURE 13. ON-RESISTANCE vs SWITCH VOLTAGE FIGURE 14. ON-RESISTANCE vs SWITCH VOLTAGE VCOM (V) 0 12 3 4 5 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 -1 -2 -3 -4 -5 -6 ICOM = 100mA V+ = 1.8V V+ = 2.7V V+ = 4.5V 0 0.30 VCOM (V) 0.35 0.40 0.45 0.50 0.60 0.65 0.70 0.75 0.80 0.85 0.95 0.90 1.00 0.55 -3 -2 -1 12 345 ICOM = 100mA V+ = 4.5V T = +85°C T = +25°C T = -40°C VCOM (V) 0 0.30 0.35 0.40 0.45 0.50 0.60 0.65 0.70 0.75 0.80 0.85 0.95 0.90 0.55 -3 -2 -1 12345 1.00 ICOM = 100mA V+ = 4.3V T = +85°C T = +25°C T = -40°C VCOM (V) 0 1.05 0.35 0.45 0.65 0.75 0.85 0.95 0.55 -3 -2 -1 1 2 3 4 -5 -4 1.15 1.25 ICOM = 100mA V+ = 2.7V T = +85°C T = +25°C T = -40°C ISL54065 |
Numéro de pièce similaire - ISL54065 |
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Description similaire - ISL54065 |
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