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| Part Number | LM4923MM/NOPB | LM4924MM/NOPB | LM4925MM/NOPB | LM4929MM/NOPB | LM4923MMX/NOPB | LM4903MM/NOPB |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor | National Semiconductor | Texas Instruments | Texas Instruments | National Semiconductor |
| Product Status | Active | Active | Active | Active | Discontinued at Digi-Key | Obsolete |
| Type | Class AB | Class AB | Class AB | Class AB | Class AB | Class AB |
| Output Type | 1-Channel (Mono) | Headphones, 2-Channel (Stereo) | 1-Channel (Mono) with Stereo Headphones | Headphones, 2-Channel (Stereo) | 1-Channel (Mono) | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 1.1W x 1 @ 8Ohm | 40mW x 2 @ 16Ohm | 410mW x 1 @ 8Ohm; 40mW x 2 @ 16Ohm | 80mW x 2 @ 16Ohm | 1.1W x 1 @ 8Ohm | 1.07W x 1 @ 8Ohm |
| Voltage - Supply | 2.4V ~ 5.5V | 1.5V ~ 3.6V | 1.5V ~ 3.6V | 2V ~ 5.5V | 2.4V ~ 5.5V | 2V ~ 5.5V |
| Features | Depop, Differential Inputs, Shutdown, Thermal Protection | Depop, Mute, Shutdown, Thermal Protection | Depop, Mute, Shutdown, Thermal Protection | Shutdown, Thermal Protection | Depop, Differential Inputs, Shutdown, Thermal Protection | Depop, Shutdown, Thermal Protection |
| 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 | 8-VSSOP | 10-VSSOP | 10-VSSOP | 10-VSSOP | 8-VSSOP | 8-VSSOP |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
