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| Part Number | LM4872IBP | LM4877IBP | LM4872IBPX | 
|---|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor | Texas Instruments | 
| Product Status | Obsolete | Obsolete | Discontinued at Digi-Key | 
| Type | Class AB | Class AB | Class AB | 
| Output Type | 1-Channel (Mono) | 1-Channel (Mono) | 1-Channel (Mono) | 
| Max Output Power x Channels @ Load | 1W x 1 @ 8Ohm | 1W x 1 @ 8Ohm | 1W x 1 @ 8Ohm | 
| Voltage - Supply | 2V ~ 5.5V | 2V ~ 5.5V | 2V ~ 5.5V | 
| Features | Shutdown, Thermal Protection | Shutdown, Thermal Protection | 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 | 8-uSMD | 8-uSMD | 8-uSMD | 
| Package / Case | 8-VFBGA | 8-VFBGA | 8-VFBGA |