Datasheet
Package Availability, Models, Samples & Pricing
General Description
The LM4962 is an audio power amplifier primarily designed for driving Ceramic Speaker for applications in Cell Phones, Smart Phones, PDA's and other portable applications. It is capable of driving 15Vpp (typ) BTL with less than 1% THD+N from a 3.2VDC power supply. The LM4962 features and low power consumption shutdown mode, an internal thermal shutdown protection mechanism, along with over current protection (OCP) and over voltage protection (OVP).
Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal number of external components. The LM4962 does not require bootstrap capacitors, or snubber circuits.
The LM4962 also features a Band-Switch function which allows the user to use one amplifier device for both receiver (earpiece) mode and ringer/loudspeaker mode.
The LM4962 contains advanced pop & click circuitry that eliminates noises which would otherwise occur during turn-on and turn-off transitions. Additionally, the internal boost converter features a soft-start function.
The LM4962 is unity-gain stable and can be configured by external gain-setting resistors.
Application Notes
| Title | Size in Kbytes |
Date |
 |
| AN-1441: Application Note 1441 LM4962 Evaluation Board |
840
Kbytes |
20-Apr-06 |
Download |
| AN-1440: Application Note 1440 LM4962 Stereo Ceramic Speaker Driver Application Note |
760
Kbytes |
20-Apr-06 |
Download |
AN-1440 (Chinese): Application Note 1440 LM4962 Stereo Ceramic Speaker Driver Application Note
|
548 Kbytes |
|
 |
| AN-1611: Application Note 1611 LM48555 Evaluation Board |
734
Kbytes |
4-Apr-07 |
Download |
[Information as of 8-Nov-2009]
| 
, f = 1kHz, 1% THD+N
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