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MAX4593ESE Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX4593ESE Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 12 page High-Speed, Single-Supply, Quad, SPST Analog Switches 6 _______________________________________________________________________________________ Typical Operating Characteristics (continued) (V- = GND = 0, IN_ = 0 or V+, TA = +25°C, unless otherwise noted.) __________Applications Information Overvoltage Protection Proper power-supply sequencing is recommended for all CMOS devices. Do not exceed the absolute maxi- mum ratings because stresses beyond the listed rat- ings may cause permanent damage to the devices. Always sequence V+ on first, followed by the logic inputs. If power-supply sequencing is not possible, add a small signal diode in series with V+ for overvoltage protection (Figure 1). Adding a diode reduces the ana- log signal range to 1V below V+, but low switch resis- tance and low leakage characteristics are unaffected. Device operation is unchanged, and the difference between V+ and V- should not exceed 17V. ______________________________________________________________Pin Description POSITIVE SUPPLY COM NO Vg V+ V- GND Figure 1. Overvoltage Protection Using Two External Blocking Diodes 0 40 20 80 60 100 120 10 12 13 11 14 15 16 TURN-ON/OFF TIME vs. POWER-SUPPLY VOLTAGE POWER-SUPPLY VOLTAGE (V) VCOM = 10V tON tOFF 10 -90 0.1 10 100 1 1000 FREQUENCY RESPONSE FREQUENCY (MHz) -80 -70 -60 -50 -40 -30 -20 -10 0 V+ = 15V ON-RESPONSE OFF-ISOLATION Positive Supply Voltage Input. Connected to substrate. V+ 13 No Connection. Not internally connected. N.C. 12 Ground GND 5 Negative Supply Voltage Input. Normally connected to ground. V- 4 PIN Switch Inputs NO1–NO4 or NC1–NC4 3, 14, 11, 6 Analog Switch Common Terminal COM1–COM4 2, 15, 10, 7 Switch Input Terminals. Drive ≤ 0.8V for logic “0”; drive ≥ 5V for logic “1”. IN1–IN4 1, 16, 9, 8 FUNCTION NAME |
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