ADUM1410

Question

Hello. 
 I'm using ADuM1410 and have a question for Pin#10:CTRL2. 
 Accoring to data sheet, "Default Output Control. Controls the logic state the outputs assume when the input power is off. VOA, VOB, VOC, and VOD outputs are high when CTRL2 is high or disconnected and VDD1 is off. VOA, VOB, VOC, and VOD outputs are low when CTRL2 is low and VDD1 is off. When VDD1 power is on, this pin has no effect." What voltage is threshold of VDD1 power on/off in case VDD1 5V.

jnaso · Accepted Answer

Hi, 
 VDD1 being "on" would refer to being within the ADuM1410's valid supply range or 2.7V to 5.5V. "Off" would refer to VDD1 being set to 0V. 
 If a precisely defined UVLO+/- threshold is required, I would recommend the latest generation of standard data isolators which have an undervoltage lockout specification. Either ADuM340E0 for default low outputs or ADuM340E1 for default high outputs. 
 Regards, 
 Jason)

Partner Forums

Partner Libraries

Products Mentioned

ADUM1410