Arduino Forum

Using Arduino => General Electronics => Topic started by: srusha on Oct 10, 2012, 03:36 pm

Title: DG408 wiring
Post by: srusha on Oct 10, 2012, 03:36 pm
Hello, I have DG408 (http://datasheets.maximintegrated.com/en/ds/DG408-DG409.pdf)

and it says in the following scheme that there is V+, V- and gnd, what does V- stands for?

(http://www.dzsc.com/icstock/uploadfile/200913174131315.jpg)

thanks in advance,
Title: Re: DG408 wiring
Post by: silasmoeckel on Oct 10, 2012, 05:07 pm

Hello, I have DG408 (http://datasheets.maximintegrated.com/en/ds/DG408-DG409.pdf)

and it says in the following scheme that there is V+, V- and gnd, what does V- stands for?

(http://www.dzsc.com/icstock/uploadfile/200913174131315.jpg)

thanks in advance,


Just what it says negative supply voltage.  That chip normally runs with 15v +- but supports a lot of different configurations. If you want to use it with positive voltage only connect v- to gnd as the datasheet says on page 6.
Title: Re: DG408 wiring
Post by: CrossRoads on Oct 10, 2012, 05:13 pm
If you were running from dual supply, like +12V/-12V, V- would be -12V.
If running from single +5 supply, V- goes to Gnd, per page 4.
Title: Re: DG408 wiring
Post by: srusha on Oct 11, 2012, 09:39 am
Thats what I thought,

thanks for the quick reply.