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ADuM3190WTRQZ Datasheet(PDF) 9 Page - Analog Devices |
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ADuM3190WTRQZ Datasheet(HTML) 9 Page - Analog Devices |
9 / 19 page ADuM3190 Data Sheet Rev. A | Page 8 of 18 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Figure 3. Pin Configuration Table 9. Pin Function Descriptions Pin No. Mnemonic Description 1 VDD1 Supply Voltage for Side 1 (3.0 V to 20 V). Connect a 1 μF capacitor between VDD1 and GND1. 2 GND1 Ground Reference for Side 1. 3 VREG1 Internal Supply Voltage for Side 1. Connect a 1 μF capacitor between VREG1 and GND1. 4 REFOUT1 Reference Output Voltage for Side 1. The maximum capacitance for this pin (CREFOUT1) must not exceed 15 pF. 5 NC No Connection. Connect Pin 5 to GND1; do not leave this pin floating. 6 EAOUT2 Isolated Output Voltage 2, Open-Drain Output. Connect a pull-up resistor between EAOUT2 and VDD1 for current up to 1 mA. 7 EAOUT Isolated Output Voltage. 8 GND1 Ground Reference for Side 1. 9 GND2 Ground Reference for Side 2. 10 COMP Output of the Op Amp. A loop compensation network can be connected between the COMP pin and the −IN pin. 11 −IN Inverting Op Amp Input. Pin 11 is the connection for the power supply setpoint and compensation network. 12 +IN Noninverting Op Amp Input. Pin 12 can be used as a reference input. 13 REFOUT Reference Output Voltage for Side 2. The maximum capacitance for this pin (CREFOUT) must not exceed 15 pF. 14 VREG2 Internal Supply Voltage for Side 2. Connect a 1 μF capacitor between VREG2 and GND2. 15 GND2 Ground Reference for Side 2. 16 VDD2 Supply Voltage for Side 2 (3.0 V to 20 V). Connect a 1 μF capacitor between VDD2 and GND2. 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 TOP VIEW (Not to Scale) ADuM3190 COMP GND2 GND1 –IN +IN REFOUT VDD1 NC = NO CONNECTION. CONNECT PIN 5 TO GND1; DO NOT LEAVE THIS PIN FLOATING. VREG1 VDD2 GND2 VREG2 REFOUT1 NC EAOUT2 EAOUT |
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