| Part Number | LM4949TLX/NOPB | LM4947TLX/NOPB |
|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor |
| Category | Linear - Amplifiers - Audio | Linear - Amplifiers - Audio |
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| Product Status | Active | Active |
| Type | Class D | Class D |
| Output Type | 2-Channel (Stereo) with Stereo Headphones | 1-Channel (Mono) with Stereo Headphones |
| Max Output Power x Channels @ Load | 2.5W x 2 @ 4Ohm; 190mW x 2 @ 16Ohm | 1.19W x 1 @ 8Ohm; 87mW x 2 @ 32Ohm |
| Voltage - Supply | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Features | - | 3D, Depop, Differential Inputs, I²C, Mute, Shutdown, SPI, Thermal Protection, Volume Control |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supplier Device Package | 25-µSMD (2.7x2.7) | 25-uSMD |
| Package / Case | 25-WFBGA | 25-WFBGA |