| PartNumber | TPA321DGN | TPA321DGNR | TPA321DG4 |
| Description | Audio Amplifiers 350-mW Low-Voltage w/diff inputs | Audio Amplifiers 350-mW Low-Voltage w/diff inputs | Audio Amplifiers 350-mW Low-Voltage w/diff inputs |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Audio Amplifiers | Audio Amplifiers | - |
| RoHS | Y | Y | - |
| Series | TPA321 | TPA321 | - |
| Product | Audio Amplifiers | Audio Amplifiers | - |
| Class | Class-AB | Class-AB | - |
| Output Power | 350 mW | 350 mW | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Type | 1-Channel Mono | 1-Channel Mono | - |
| Package / Case | MSOP-PowerPad-8 | MSOP-PowerPad-8 | - |
| Audio Load Impedance | 8 Ohms | 8 Ohms | - |
| THD plus Noise | 1.3 % | 1.3 % | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.5 V | 2.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tube | Reel | - |
| Description/Function | Speaker | Speaker | - |
| Height | 1.02 mm | 1.02 mm | - |
| Input Type | Differential | Differential | - |
| Length | 3 mm | 3 mm | - |
| Output Type | 1-Channel Mono | 1-Channel Mono | - |
| Supply Type | Single | Single | - |
| Width | 3 mm | 3 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Number of Channels | 1 Channel | 1 Channel | - |
| Supply Current Max | 1.5 mA | 1.5 mA | - |
| Development Kit | TPA321EVM | TPA321EVM | - |
| GBP Gain Bandwidth Product | 1.4 MHz | 1.4 MHz | - |
| Operating Supply Current | 700 uA | 700 uA | - |
| Operating Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | - |
| Output Signal Type | Differential | Differential | - |
| Pd Power Dissipation | 2140 mW | 2140 mW | - |
| Product Type | Audio Amplifiers | Audio Amplifiers | - |
| PSRR Power Supply Rejection Ratio | 85 dB | 85 dB | - |
| Factory Pack Quantity | 80 | 2500 | - |
| Subcategory | Audio ICs | Audio ICs | - |
| Unit Weight | 0.000670 oz | 0.000670 oz | - |