From datasheet system
National Semiconductor
LM4811 Dual 105mW Headphone Amplifier with Digital Volume Control and Shutdown Mode
Stereo Audio Amplifier Adjustable Output Limiter
National Semiconductor
Digitally Controlled Tone Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage National Sound
National Semiconductor
Digitally Controlled Tone Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage National Sound
National Semiconductor
Digitally Controlled Tone Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage National Sound
National Semiconductor
Digitally Controlled Tone Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage National Sound
National Semiconductor
Boomer 1.75W Audio Power Amplifier with DC Volume Control and Microphone Preamp
National Semiconductor
Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
National Semiconductor
Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
Dual Audio Amplifier
Dual Audio Amplifier
National Semiconductor
Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
National Semiconductor
Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
National Semiconductor
Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain