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| Part Number | LM4857ITL/NOPB | LM4857ITLX/NOPB | LM4851ITL/NOPB | LM4852ITL/NOPB | LM4855ITL/NOPB | LM4856ITL/NOPB |
|---|---|---|---|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Active | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Class AB | Class AB | Class AB | Class AB | Class AB | Class AB |
| Output Type | 2-Channel (Stereo) with Mono and Stereo Headphones | 2-Channel (Stereo) with Mono and Stereo Headphones | 1-Channel (Mono) with Stereo Headphones | 1-Channel (Mono) with Stereo Headphones | 1-Channel (Mono) with Stereo Headphones | 1-Channel (Mono) with Stereo Headphones |
| Max Output Power x Channels @ Load | 1.6W x 2 @ 4Ohm | 1.6W x 2 @ 4Ohm; 75mW x 2 @ 32Ohm | 1.5W x 1 @ 4Ohms; 115mW x 2 @ 32Ohms | 1.5W x 1 @ 4Ohm; 60mW x 2 @ 32Ohm | 1.5W x 1 @ 4Ohms; 115mW x 2 @ 32Ohms | 1.5W x 1 @ 4Ohm; 60mW x 2 @ 32Ohm |
| Voltage - Supply | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.6V ~ 5V | 2.6V ~ 5.5V | 2.6V ~ 5V | 2.6V ~ 5V |
| Features | - | 3D, Depop, I²C, Mute, Shutdown, Thermal Protection, Volume Control | Depop, Shutdown, SPI, Thermal Protection, Volume Control | Depop, I²C, Mute, Shutdown, Thermal Protection, Volume Control | Depop, Mute, Shutdown, SPI, Thermal Protection, Volume Control | Depop, I²C, Mute, Shutdown, Thermal Protection, Volume Control |
| Mounting Type | Surface Mount | Surface Mount | 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) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supplier Device Package | 30-DSBGA | 30-DSBGA | 18-DSBGA | 18-uSMD (1.97x2.23) | 18-DSBGA | 18-DSBGA |
| Package / Case | 30-WFBGA, DSBGA | 30-WFBGA | 18-WFBGA | 18-WFBGA | 18-WFBGA | 18-WFBGA |
