Nov 04 (Reuters) - Cirrus Logic Q2 revenue USD 541.9 million vs. IBES estimate USD 520.5 million. * Q2 adjusted operating expenses USD 126.8 million * Q2 EPS USD 1.83 * Q2 operating expenses USD 150.7 million * outlook Q3 revenue USD 480-540 million * outlook Q3 gross margin 51-53%