| Part Number | LM4873MT | LM4873MTX | 
|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | 
| Category | Linear - Amplifiers - Audio | Linear - Amplifiers - Audio | 
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| Product Status | Active | Obsolete | 
| Type | Class AB | Class AB | 
| Output Type | 2-Channel (Stereo) with Stereo Headphones | 2-Channel (Stereo) with Stereo Headphones | 
| Max Output Power x Channels @ Load | 3W x 2 @ 3Ohm; 440mW x 2 @ 8Ohm | 3W x 2 @ 3Ohm; 440mW x 2 @ 8Ohm | 
| Voltage - Supply | 2V ~ 5.5V | 2V ~ 5.5V | 
| Features | Depop, Input Multiplexer, Shutdown, Thermal Protection | Depop, Input Multiplexer, Shutdown, Thermal Protection | 
| Mounting Type | Surface Mount | Surface Mount | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Supplier Device Package | 20-TSSOP | 20-TSSOP | 
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) |