Datasheet ADuM3190S (Analog Devices) - 2

Supply Voltage for Side 1 (3.0 V to 20 V). 1/ Ground Reference for Side 1. 3/, 12/ Internal Supply Voltage for Side 1. 2/ Reference Output Voltage for Side 1. 5/ Ground 6/, 12/ Isolated Output Voltage 2, Open-Drain Output. 7/ Isolated Output Voltage. Ground Reference for Side 1. 3/, 12/ Ground Reference for Side 2. 4/ Output of the Op Amp. 8/ Inverting Op Amp Input. 9/ Noninverting Op Amp Input. 10/ Reference Output Voltage for Side 2. 11/ Internal Supply Voltage for Side 2. 2/ Ground Reference for Side 2. 4/ Supply Voltage for Side 2 (3.0 V to 20) V 1/ Metal Lid electrically connected to ground (GND1) 1/ Connect a ceramic bypass capacitor of value 1 μF between VDD1 (Pin 1) and GND1 (Pin 2) and between VDD2 (Pin 16) and GND2 (Pin 15) 2/ Connect a 1 μF capacitor between VREG1 (Pin 3) and GND1 (Pin2) and VREG2 (Pin 14)and GND2(Pin 15). 3/ Pin 2 and Pin 8 are internally connected, and connecting both to GND1 is recommended. 4/ Pin 9 and Pin 15 are internally connected, and connecting both to GND2 is recommended. 5/ The maximum capacitance for this pin (CREFOUT1) must not exceed 15 pF. 6/ Connect Pin 5 to GND1; do not leave this pin floating. 7/ Connect a pull-up resistor between EAOUT2 and VDD1 for current up to 1 mA. 8/ A loop compensation network can be connected between the COMP pin and the −IN pin. 9/ Pin 11 is the connection for the power supply setpoint and compensation network. 10/ Pin 12 can be used as a reference input. 11/ The maximum capacitance for this pin (CREFOUT) must not exceed 15 pF. 12/ Internally connected to Metal Lid.