National Semiconductor LM4857GR Audio Amplifiers
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LM4857GR Tech Specifications
| Category | Linear - Amplifiers - Audio | |
| Manufacturer | National Semiconductor | |
| Mounting Type | Surface Mount | |
| Package / Case | 49-TFBGA, CSPBGA | |
| Supplier Device Package | 49-CSBGA (4x4) | |
| RoHS | Yes | |
| Package | Bulk | |
| Mfr | National Semiconductor |
| Product Status | Obsolete | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| Series | Boomer® | |
| Type | Class AB | |
| Voltage - Supply | 2.7V ~ 5.5V | |
| Output Type | 2-Channel (Stereo) with Mono and Stereo Headphones | |
| Max Output Power x Channels @ Load | 1.6W x 2 @ 4Ohm; 75mW x 2 @ 32Ohm | |
| Features | 3D, Depop, I²C, Mute, Shutdown, Thermal Protection, Volume Control |
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