10.
已知正项的等比数列\(\{a_{n}\}\)的前\(n\)项和为\(S_{n}\),且\(2a_{2}=S_{2}+ \dfrac {1}{2},a_{3}=2\).
\((1)\)求数列\(\{a_{n}\}\)的通项公式;
\((2)\)若\(b_{n}=\log _{2}a_{n}+3\),数列\(\{ \dfrac {1}{b_{n}b_{n+1}}\}\)的前\(n\)项和为\(T_{n}\),求满足\(T_{n} > \dfrac {1}{3}\)的正整数\(n\)的最小值.