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| Part Number | LM49155TLX/NOPB | LM49150TLX/NOPB | LM49151TLX/NOPB | LM49155TL/NOPB |
|---|---|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Not For New Designs |
| Type | Class D, Class AB | Class D | Class D | Class D, Class AB |
| Output Type | Headphones, 2-Channel (Stereo) | 1-Channel (Mono) with Stereo Headphones | 1-Channel (Mono) with Stereo Headphones | Headphones, 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | - | 2.1W x 1 @ 4Ohm; 42mW x 2 @ 32Ohm | 1.25W x 1 @ 8Ohm; 42mW x 2 @ 32Ohm | - |
| Voltage - Supply | - | 2.7V ~ 5.5V | - | 2.7V ~ 5.5V |
| Features | Depop, Differential Inputs, E²S, I²C, Shutdown, Volume Control | Depop, E²S, I²C, Mute, Shutdown, Thermal Protection, Volume Control | Depop, Differential Inputs, E²S, I²C, Shutdown, Volume Control | Depop, Differential Inputs, I²C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | - | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | - |
| Supplier Device Package | 36-DSBGA | 20-uSMD | 20-DSBGA | 36-DSBGA |
| Package / Case | 36-WFBGA, DSBGA | 20-UFBGA | 20-WFBGA, DSBGA | 36-WFBGA, DSBGA |
