LM4857
From Openmoko
(Difference between revisions)
m (Correct voltage input, add variable output caveat.) |
(Added Category:Neo1973 Hardware) |
||
Line 8: | Line 8: | ||
* Line-out, unused. | * Line-out, unused. | ||
− | [http://www.national.com/pf/LM/LM4857.html Datasheet.] | + | [http://www.national.com/pf/LM/LM4857.html The National Semiconductor Datasheet provides additional information.] |
+ | |||
+ | [[Category:Neo1973 Hardware]] |
Revision as of 19:32, 6 April 2007
An audio power amplifier, connected to the VB power rail (battery terminal voltage) for power.
The audio power output may vary as the battery discharges.
- 0.5W stereo speaker output, used for the main speakers.
- 33mW stereo headphone output (32 ohms), for the headphones.
- 43mW mono earpiece output, for the earpiece.
- Line-out, unused.
The National Semiconductor Datasheet provides additional information.