ps2 to ps3 ddr ?

So I know that in order to play the ps2 ddr games on my ps3.. i would need to buy some sort of adapter right?
But where can I get this adapter and what is this adapter even called?
I live in Vancouver btw.. so where can i go to buy this adapter?

So I know that in order to play the ps2 ddr games on my ps3.. i would need to buy some sort of adapter right?
But where can I get this adapter and what is this adapter even called?
I live in Vancouver btw.. so where can i go to buy this adapter?

pyrokid1337