PT6554

V1.4

2

June 2010

APPLICATION CIRCUITS

Notes:

1. A capacitor must be added to the power line so that both the power supply voltage (VDD) rise time when power is applied and the power supply

voltage (VDD) fall time when power drops are at least 1ms.

2. DO is an open – drain output and requires a pull-high resistor between 1KΩ to 10KΩ. The pull-up resistor value must be appropriate to the capacitor

of the external wiring so that the signal wave forms are not degraded.