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| Part Number | LM4840MH/NOPB | LM4841MH/NOPB | LM4842MH/NOPB | LM4840MT/NOPB | LM4849MH/NOPB |
|---|---|---|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Discontinued at Digi-Key |
| Type | Class AB | Class AB | Class AB | Class AB | Class AB |
| Output Type | 2-Channel (Stereo) with Stereo Headphones | 2-Channel (Stereo) with Stereo Headphones | 2-Channel (Stereo) with Stereo Headphones | 2-Channel (Stereo) with Stereo Headphones | 2-Channel (Stereo) with Stereo Headphones |
| Max Output Power x Channels @ Load | 2.2W x 2 @ 3Ohm; 95mW x 2 @ 32Ohm | 2.2W x 2 @ 3Ohm; 95mW x 2 @ 32Ohm | 2.2W x 2 @ 3Ohm; 95mW x 2 @ 32Ohm | 2.2W x 2 @ 3Ohm; 95mW x 2 @ 32Ohm | 2.2W x 2 @ 3Ohm; 95mW x 2 @ 32Ohm |
| Voltage - Supply | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Features | Depop, Input Multiplexer, Mute, Shutdown, Thermal Protection, Volume Control | Depop, Mute, Shutdown, Thermal Protection, Volume Control | Depop, Mute, Shutdown, Thermal Protection, Volume Control | Depop, Input Multiplexer, Mute, Shutdown, Thermal Protection, Volume Control | Depop, Input Multiplexer, Mute, Shutdown, Thermal Protection, Volume Control |
| Mounting Type | 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) |
| Supplier Device Package | 28-HTSSOP | 28-HTSSOP | 28-HTSSOP | 28-TSSOP | 28-HTSSOP |
| Package / Case | 28-PowerTSSOP (0.173", 4.40mm Width) | 28-PowerTSSOP (0.173", 4.40mm Width) | 28-PowerTSSOP (0.173", 4.40mm Width) | 28-TSSOP (0.173", 4.40mm Width) | 28-PowerTSSOP (0.173", 4.40mm Width) |
