| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM49370 |  2Mb/100P | Audio Sub-System with an Ultra Low EMI, Spread Spectrum, Class D Loudspeaker Amplifier |
| LM49370 |  2Mb/100P | Audio Sub-System with an Ultra Low EMI, Spread Spectrum, Class D Loudspeaker Amplifier, a Dual-Mode |
| LM49370RL |  2Mb/100P | Audio Sub-System with an Ultra Low EMI, Spread Spectrum, Class D Loudspeaker Amplifier |
 National Semiconductor ... | LM49370 |  2Mb/100P | Audio Sub-System with an Ultra Low EMI, Spread Spectrum, Class D Loudspeaker Amplifier, a Dual-Mode |
 National Semiconductor ... | LM49370RL |  2Mb/ 100P | Audio Sub-System with an Ultra Low EMI, Spread Spectrum, Class D Loudspeaker Amplifier |
 National Semiconductor ... | LM49370 |  2Mb/ 100P | Audio Sub-System with an Ultra Low EMI, Spread Spectrum, Class D Loudspeaker Amplifier, a Dual-Mode |
 National Semiconductor ... | LM4930 |  966Kb/ 33P | Audio Subsystem with Stereo Headphone & Mono Speaker Amplifiers |
| LM4930 |  994Kb/ 35P | Audio Subsystem with Stereo Headphone & Mono Speaker Amplifiers |
 National Semiconductor ... | LM4930ITL |  966Kb/ 33P | Audio Subsystem with Stereo Headphone & Mono Speaker Amplifiers |
 National Semiconductor ... | LM4930 |  994Kb/ 35P | Audio Subsystem with Stereo Headphone & Mono Speaker Amplifiers |