Silicon Laboratories (Nasdaq: SLAB) is expected to report Q4 earnings on Jan. 30. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict Silicon Laboratories's revenues will grow 16.4% and EPS will expand 18.4%.

The average estimate for revenue is $147.5 million. On the bottom line, the average EPS estimate is $0.58.

Revenue details
 Last quarter, Silicon Laboratories reported revenue of $149.5 million. GAAP reported sales were 25% higher than the prior-year quarter's $119.1 million.

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

EPS details
 Last quarter, non-GAAP EPS came in at $0.61. GAAP EPS of $0.24 for Q3 were 7.7% lower than the prior-year quarter's $0.26 per share.

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

Recent performance
 For the preceding quarter, gross margin was 57.9%, 330 basis points worse than the prior-year quarter. Operating margin was 18.2%, 650 basis points better than the prior-year quarter. Net margin was 6.7%, 280 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $558.5 million. The average EPS estimate is $2.13.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 352 members out of 379 rating the stock outperform, and 27 members rating it underperform. Among 129 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 127 give Silicon Laboratories a green thumbs-up, and two 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 $42.70.

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