LM4938
FEATURES
- 23 Improved Click and Pop Circuitry Virtually Eliminates Noise During Turn On/Off Transitions
- DC Volume Control Interface
- System Beep Detect
- Stereo Switchable Bridged/Single-Ended
Power Amplifiers
- Selectable Internal/External Gain and Bass
Boost
- Thermal Shutdown Protection Circuitry
- Unity Gain Stable
APPLICATIONS
- Flat Panel Displays
- Portable and Desktop puters
- Multimedia Monitors
- Portable Radios, PDAs, and Portable TVs
KEY SPECIFICATIONS
- PO at 1% THD+N
- into 3Ω: 2.2W (typ)
- into 4Ω: 2.0W (typ)
- into 8Ω: 1.3W (typ)
- Single-ended mode
- THD+N at 92m W into 32Ω: 1.0% (typ)
- Shutdown Current: 0.5µA (typ)
DESCRIPTION
The LM4938 is a monolithic integrated circuit that provides DC volume control, and stereo bridged audio power amplifiers capable of producing 2W into 4Ω with less than 1.0% THD or 2.2W into 3Ω with less than 1.0% THD.
Boomer audio integrated circuits were designed specifically to provide high quality audio while requiring a minimum amount...
