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DG202 Datasheet(PDF) 6 Page - Maxim Integrated Products |
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DG202 Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 12 page Quad SPST CMOS Analog Switches 6 _______________________________________________________________________________________ RDS(ON) AT ANALOG SIGNAL LEVEL POWER SUPPLIES -5V +5V -10V +10V -15V +15V ±5V 350 Ω 380 Ω ———— ±10V — — 165 Ω 250 Ω —— ±15V — — 125 Ω 160 Ω 135 Ω 155 Ω Typical RDS(ON) vs. Power Supplies for Maxim’s DG202, and DG212 this current is required to be kept to low (µA) levels then the addition of external protection diodes is rec- ommended. To provide protection for overvoltages up to 20V above the supplies, a 1N4001 or 1N914 type diode should be placed in series with the positive and negative supplies as shown in Figure 2. The addition of these diodes will reduce the analog signal range to 1V below the posi- tive supply and 1V above the negative supply. 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 DG202 DG212 IN4001 -15V IN4001 +15V Figure 2. Protection against Fault Conditions VO VO tOFF1 tOFF tOFF2 VS = +2V RL 1k Ω D1 S1 IN1 CL 35pF V- VO 50% 3V 0 VS 0 V+ GND 0.9 0.1 0.9 VO LOGIC INPUT SWITCH INPUT SWITCH OUTPUT tr < 20ns tf < 20ns LOGIC 1 SW ON SWITCH INPUT VO = VS LOGIC INPUT 0V -15V +15V (REPEAT TEST FOR IN2, IN3, AND IN4) SWITCH OUTPUT RL RL + rDS(ON) TOP VIEW 16 15 14 13 5 1 2 3 4 12 11 10 9 67 8 S1 V- GND S4 S2 V+ N.C. S3 D1 IN1 IN2 D2 D4 IN4 IN3 D3 DG202 DG212 TQFN* *EP *EXPOSED PAD. CONNECT EXPOSED PAD TO V+ OR LEAVE EXPOSED PAD UNCONNECTED. Pin Configurations (continued) Figure 1. Switching Time |
Similar Part No. - DG202_06 |
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Similar Description - DG202_06 |
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