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| Part Number | LM4866LQ/NOPB | LM4856LQ/NOPB | LM4863LQ/NOPB |
|---|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Obsolete | Active |
| Type | Class AB | Class AB | Class AB |
| Output Type | 2-Channel (Stereo) | 1-Channel (Mono) with Stereo Headphones | 2-Channel (Stereo) with Stereo Headphones |
| Max Output Power x Channels @ Load | 3.2W x 2 @ 3Ohm | 1.5W x 1 @ 4Ohm; 60mW x 2 @ 32Ohm | 3.2W x 2 @ 3Ohm; 440mW x 2 @ 8Ohm |
| Voltage - Supply | 2V ~ 5.5V | 2.6V ~ 5V | 2V ~ 5.5V |
| Features | Depop, Shutdown, Thermal Protection | Depop, I²C, Mute, Shutdown, Thermal Protection, Volume Control | Depop, Shutdown, Thermal Protection |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supplier Device Package | 24-WQFN (4x5) | 24-WQFN (4x5) | 24-WQFN (4x5) |
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
