ISOM8112-Q1: Difference in Input Capacitance

Taku Murayama

Intellectual 1530 points

Part Number: ISOM8112-Q1
Other Parts Discussed in Thread: ISOM8117-Q1

Tool/software:

Hi,

ISOM8112-Q1 and ISOM8117-Q1 have different input capacitance and could you tell me how to choose from them?

BR,

Taku

2 months ago

0 Clemens Ladisch 2 months ago

Guru 287860 points

ISOM8112-Q1 has a DC input (like one LED), ISOM8117-Q1 has an AC input (like two antiparallel LEDs).

0 Aaditya V. 2 months ago

TI__Genius 12425 points

Hi Taku-san,

Thanks for reaching out.

As you have seen on the datasheet, the capacitance is different. As Clemens has stated, the main difference is the type of outputs that are applicable to each device. If your system requires DC output, then ISOM8112-Q1 is a good option. If AC output is required then ISO8117-Q1 is a good option.

ISOM8112-Q1 data sheet, product information and support | TI.com

ISOM8117-Q1 data sheet, product information and support | TI.com

Regards,
Aaditya Vittal

Isolation

Isolation forum

ISOM8112-Q1: Difference in Input Capacitance