Texas Instruments (NASDAQ:TXN) has updated guidance for its current quarter. The company now expects Q1 revenue to fall in the $2.80 billion-$2.91 billion range, which lifts the bottom from the former anticipated amount of $2.69 billion-$2.91 billion. TI made a similar move with per-share earnings, narrowing the expected range from $0.28-$0.32, compared to the previous estimate of $0.24-$0.32.

The firm's original guidance was included in its Q4 and fiscal 2012 earnings release on January 22. It did not immediately provide a detailed explanation for the revised figures.

TI's Q1 ends on March 31.

Fool contributor Eric Volkman has no position in Texas Instruments. The Motley Fool has no position in Texas Instruments. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.