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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?



thanks in advance,
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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?



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.
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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.
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Thats what I thought,

thanks for the quick reply.
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