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| PartNumber | TPA721D | TPA721DGN | TPA721DG4 |
| Description | Audio Amplifiers 700mW Low Voltage | Audio Amplifiers Mono Class-AB w/Active HIgh Shtdwn | Audio Amplifiers 700mW Mono Class-AB Aud Amp |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Audio Amplifiers | Audio Amplifiers | Audio Amplifiers |
| RoHS | Y | Y | Y |
| Series | TPA721 | TPA721 | TPA721 |
| Product | Audio Amplifiers | Audio Amplifiers | Audio Amplifiers |
| Class | Class-AB | Class-AB | Class-AB |
| Output Power | 700 mW | 700 mW | 700 mW |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Type | 1-Channel Mono | 1-Channel Mono | 1-Channel Mono |
| Package / Case | SOIC-8 | MSOP-PowerPad-8 | SOIC-8 |
| Audio Load Impedance | 8 Ohms | 8 Ohms | 8 ohm |
| THD plus Noise | 0.55 % | 0.55 % | 0.55 % |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.5 V | 2.5 V | 2.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | Tube |
| Description/Function | Speaker | Speaker | Speaker |
| Height | 1.58 mm | 1.02 mm | 1.58 mm |
| Input Type | Single | Single | Single |
| Length | 4.9 mm | 3 mm | 4.9 mm |
| Output Type | 1-Channel Mono | 1-Channel Mono | 1-Channel Mono |
| Supply Type | Single | Single | Single |
| Width | 3.91 mm | 3 mm | 3.91 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Supply Current Max | 2.5 mA | 2.5 mA | 2.5 mA |
| Operating Supply Current | 1.25 mA | 1.25 mA | 1.25 mA |
| Operating Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Output Signal Type | Differential | Differential | Differential |
| Pd Power Dissipation | 725 mW | 2140 mW | 725 mW |
| Product Type | Audio Amplifiers | Audio Amplifiers | Audio Amplifiers |
| PSRR Power Supply Rejection Ratio | 85 dB | 85 dB | 85 dB |
| Factory Pack Quantity | 75 | 80 | 75 |
| Subcategory | Audio ICs | Audio ICs | Audio ICs |
| Unit Weight | 0.002677 oz | 0.000670 oz | 0.002677 oz |