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| Part Number | LM49251TL/NOPB | LM49251TLX/NOPB | LM4951TL/NOPB | LM49151TL/NOPB |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active |
| Type | Class D, Class G | Class D, Class G | Class AB | Class D |
| Output Type | 2-Channel (Stereo) with Stereo Headphones | 2-Channel (Stereo) with Stereo Headphones | 1-Channel (Mono) | 1-Channel (Mono) with Stereo Headphones |
| Max Output Power x Channels @ Load | 1.37W x 2 @ 8Ohm; 20mW x 2 @ 32Ohm | 1.37W x 2 @ 8Ohm; 20mW x 2 @ 32Ohm | 1.8W x 1 @ 8Ohm | 1.25W x 1 @ 8Ohm; 42mW x 2 @ 32Ohm |
| Voltage - Supply | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 9V | - |
| Features | Depop, I²C, Shutdown, Volume Control | Depop, I²C, Shutdown, Volume Control | Depop, Shutdown, Thermal Protection | Depop, Differential Inputs, E²S, I²C, Shutdown, 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 | 30-µSMD (2.56x3.02) | 30-DSBGA | 9-DSBGA (1.6x1.6) | 20-DSBGA |
| Package / Case | 30-WFBGA | 30-WFBGA, DSBGA | 9-WFBGA, DSBGA | 20-UFBGA, DSBGA |
