| Part Number | LM4809LQ/NOPB | LM4839LQ/NOPB |
|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments |
| Category | Linear - Amplifiers - Audio | Linear - Amplifiers - Audio |
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| Product Status | Active | Discontinued at Digi-Key |
| Type | Class AB | Class AB |
| Output Type | Headphones, 2-Channel (Stereo) | 2-Channel (Stereo) with Stereo Headphones |
| Max Output Power x Channels @ Load | 105mW x 2 @ 16Ohm | 2.2W x 2 @ 3Ohm; 95mW x 2 @ 32Ohm |
| Voltage - Supply | 2V ~ 5.5V | 2.7V ~ 5.5V |
| Features | - | Bass Boost, Depop, Input Multiplexer, Mute, Shutdown, 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 | 8-WQFN (2x2) | 28-WQFN (5x5) |
| Package / Case | 8-WQFN Exposed Pad | 28-WFQFN Exposed Pad |