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| PartNumber | NAU8220SG | NAU8220WG | NAU8223YG |
| Description | IC LINE DVR AUDIO 2VRMS 14SOP | Line Driver 14-Pin TSSOP | Audio Amp Speaker 2-CH Stereo 3.1W Class-D 20-Pin QFN EP |
| Manufacturer | Nuvoton Technology Corporation of America | Nuvoton Technology Corporation of America | Nuvoton Technology Corporation of America |
| Product Category | Audio Special Purpose | Audio Special Purpose | Linear - Amplifiers - Audio |
| Series | - | - | - |
| Packaging | Tube | Tray | Tray |
| Package Case | 14-SOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) | 20-QFN |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Specifications | Class AB | Class AB | - |
| Function | Line Driver | Line Driver | - |
| Applications | Pre-Amplifier | Pre-Amplifier | - |
| Number of Channels | 2 | 2 | - |
| Interface | Serial | Serial | - |
| Voltage Supply | 3 V ~ 3.6 V | 3 V ~ 3.6 V | 2.5 V ~ 5.5 V |
| Supplier Device Package | 14-SOP | 14-TSSOP | 20-QFN (4x4) |
| Type | - | - | Class D |
| Mounting Type | - | - | Surface Mount |
| Output Type | - | - | 2-Channel (Stereo) |
| Features | - | - | Depop, Standby, Thermal Protection |
| Max Output Power x Channels Load | - | - | 3.1W x 2 @ 4 Ohm |