| PartNumber | TFA9891UK/N1AZ | TFA9891UK/N1/S1Z |
| Description | Audio Amplifiers TFA9891UK/WLCSP49//N1/REEL 7 Q1 DP CIRCUIT ELEMEN | Audio Amplifiers Smart Audio Amplifer |
| Manufacturer | NXP | NXP |
| Product Category | Audio Amplifiers | Audio Amplifiers |
| RoHS | Y | Y |
| Series | TFA9891 | TFA9891 |
| Product | Audio Amplifiers | Audio Amplifiers |
| Class | Class-D | Class-D |
| Output Power | 3.7 W x 1 at 8 Ohms | 3.7 W x 1 at 8 Ohms |
| Mounting Style | SMD/SMT | SMD/SMT |
| Type | Bridge Tied Load (BTL) | Bridge Tied Load (BTL) |
| Package / Case | WLCSP-49 | WLCSP-49 |
| Audio Load Impedance | 8 Ohms | 8 Ohms |
| THD plus Noise | 0.03 % | 0.03 % |
| Supply Voltage Max | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C |
| Packaging | Reel | - |
| Brand | NXP Semiconductors | NXP Semiconductors |
| Number of Channels | 1 Channel | 1 Channel |
| Operating Supply Current | 20 mA | 20 mA |
| Product Type | Audio Amplifiers | Audio Amplifiers |
| Factory Pack Quantity | 2000 | 2000 |
| Subcategory | Audio ICs | Audio ICs |
| Part # Aliases | 935303418062 | 935360379062 |
| Unit Weight | 0.000310 oz | - |