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| Part Number | LM4924SD/NOPB | LM4927SD/NOPB | LM4928SD/NOPB | LM4925SD/NOPB |
|---|---|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Obsolete |
| Type | Class AB | Class AB | Class AB | Class AB |
| Output Type | Headphones, 2-Channel (Stereo) | 1-Channel (Mono) | 2-Channel (Stereo) | 1-Channel (Mono) with Stereo Headphones |
| Max Output Power x Channels @ Load | 40mW x 2 @ 16Ohm | 2.5W x 1 @ 4Ohm | 2.2W x 2 @ 4Ohm | 410mW x 1 @ 8Ohm; 40mW x 2 @ 16Ohm |
| Voltage - Supply | 1.5V ~ 3.6V | 2.4V ~ 5.5V | 2.4V ~ 5.5V | 1.5V ~ 3.6V |
| Features | Depop, Mute, Shutdown, Thermal Protection | Depop, Differential Inputs, Shutdown, Thermal Protection | Depop, Differential Inputs, Shutdown, Thermal Protection | Depop, Mute, Shutdown, Thermal Protection |
| 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 | 10-WSON (3x3) | 8-WSON (3x3) | 14-WSON (4x3) | 10-SON (3x3) |
| Package / Case | 10-WFDFN Exposed Pad | 8-WFDFN Exposed Pad | 14-WFDFN Exposed Pad | 10-WFDFN Exposed Pad |
