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| Part Number | LM4892IBP | LM4892IBPX | LM4894IBP | LM4890IBP |
|---|---|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Active | Discontinued at Digi-Key | Obsolete |
| Type | Class AB | Class AB | Class AB | Class AB |
| Output Type | 1-Channel (Mono) with Mono Headphones | 1-Channel (Mono) with Mono Headphones | 1-Channel (Mono) | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 1W x 1 @ 8Ohm; 90mW x 1 @ 32Ohm | 1W x 1 @ 8Ohm | 1.4W x 1 @ 4Ohm | 1W x 1 @ 8Ohm |
| Voltage - Supply | 2.2V ~ 5.5V | 2.2V ~ 5.5V | 2.2V ~ 5.5V | 2.2V ~ 5.5V |
| Features | Depop, Shutdown, Thermal Protection | - | Depop, Differential Inputs, Shutdown, Thermal Protection | Depop, Shutdown, Thermal Protection |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supplier Device Package | 8-uSMD (1.36x1.36) | 8-uSMD (1.36x1.36) | 9-DSBGA | 8-uSMD |
| Package / Case | 8-VFBGA | 8-VFBGA | 9-VFBGA | 8-VFBGA |
