| PartNumber | IS31AP4991A-SLS2-TR | IS31AP4990D-UTLS2-TR | IS31AP4991A-GRLS2-TR |
| Description | Audio Amplifiers 1.1W Audio Power Amp W/Slow Shutdown | Audio Amplifiers 1.2W Audio Pwr Amp | Audio Amplifiers 1.1W Audio Power Amp |
| Manufacturer | ISSI | ISSI | ISSI |
| Product Category | Audio Amplifiers | Audio Amplifiers | Audio Amplifiers |
| RoHS | Y | - | Y |
| Series | IS31AP4991A | IS31AP4990D | IS31AP4991A |
| Product | Audio Amplifiers | Audio Amplifiers | Audio Amplifiers |
| Output Power | 1.1 W | 1.2 W | 1.1 W |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Type | Audio Power Amplifier | - | Audio Power Amplifier |
| Package / Case | MSOP-8 | UTQFN-9 | SOP-8 |
| THD plus Noise | 0.074 % | 0.23 % | 0.074 % |
| 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 | + 85 C |
| Packaging | Reel | Reel | Reel |
| Input Type | Single | - | Single |
| Supply Type | Single | - | Single |
| Brand | ISSI | ISSI | ISSI |
| Moisture Sensitive | Yes | Yes | Yes |
| Operating Supply Current | 3 mA | - | 3 mA |
| Operating Supply Voltage | 5.5 V | - | 5.5 V |
| Pd Power Dissipation | 590 mW | - | 720 mW |
| Product Type | Audio Amplifiers | Audio Amplifiers | Audio Amplifiers |
| PSRR Power Supply Rejection Ratio | 68 dB | - | 68 dB |
| Factory Pack Quantity | 2500 | 3000 | 2500 |
| Subcategory | Audio ICs | Audio ICs | Audio ICs |
| Unit Weight | 0.004938 oz | - | 0.030018 oz |