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| Part Number | LM48555TL/NOPB | LM48555TLX/NOPB | LM48557TL/NOPB | LM4855ITL/NOPB |
|---|---|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Obsolete |
| Type | Class AB | Class AB | Class AB | Class AB |
| Output Type | 1-Channel (Mono) | 1-Channel (Mono) | 1-Channel (Mono) | 1-Channel (Mono) with Stereo Headphones |
| Max Output Power x Channels @ Load | - | - | - | 1.5W x 1 @ 4Ohms; 115mW x 2 @ 32Ohms |
| Voltage - Supply | 2.7V ~ 9V | 2.7V ~ 9V | 2.7V ~ 4.5V | 2.6V ~ 5V |
| Features | - | Depop, Differential Inputs, Shutdown | Depop, Differential Inputs, I²C, Mute, Shutdown, Volume Control | Depop, Mute, Shutdown, SPI, Thermal Protection, Volume Control |
| 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 | 12-DSBGA (2x2.5) | 12-µSMD (1.46x1.97) | 16-DSBGA | 18-DSBGA |
| Package / Case | 12-WFBGA, DSBGA | 12-WFBGA | 16-WFBGA, DSBGA | 18-WFBGA |
