Silicon Laboratories (Nasdaq: SLAB) reported earnings on Jan. 30. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended Dec. 29 (Q4), Silicon Laboratories beat expectations on revenues and beat expectations on earnings per share.

Compared to the prior-year quarter, revenue increased significantly and GAAP earnings per share expanded significantly.

Margins grew across the board.

Revenue details
 Silicon Laboratories tallied revenue of $152.5 million. The 13 analysts polled by S&P Capital IQ anticipated net sales of $147.5 million on the same basis. GAAP reported sales were 20% higher than the prior-year quarter's $126.7 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 EPS came in at $0.61. The 15 earnings estimates compiled by S&P Capital IQ anticipated $0.58 per share. GAAP EPS of $0.44 for Q4 were 52% higher than the prior-year quarter's $0.29 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
 For the quarter, gross margin was 61.4%, 50 basis points better than the prior-year quarter. Operating margin was 16.6%, 280 basis points better than the prior-year quarter. Net margin was 12.3%, 220 basis points better than the prior-year quarter.

Looking ahead
 Next quarter's average estimate for revenue is $141.3 million. On the bottom line, the average EPS estimate is $0.50.

Next year's average estimate for revenue is $602.3 million. The average EPS estimate is $2.33.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 351 members out of 378 rating the stock outperform, and 27 members rating it underperform. Among 125 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 124 give Silicon Laboratories a green thumbs-up, and one give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Silicon Laboratories is outperform, with an average price target of $46.36.

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