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| PartNumber | LM4990LD/NOPB | LM4990LDX | LM4990LD |
| Description | Audio Amplifiers 2W Audio Pwr Amp w/ Shutdown Logic Level | Audio Amplifiers | Audio Amplifiers |
| Manufacturer | Texas Instruments | Texas Instruments | NSC |
| Product Category | Audio Amplifiers | Linear - Amplifiers - Audio | Linear - Amplifiers - Audio |
| RoHS | Y | - | - |
| Series | LM4990 | BoomerR | - |
| Product | Audio Amplifiers | - | - |
| Class | Class-AB | - | - |
| Output Power | 2 W | - | - |
| Mounting Style | SMD/SMT | - | - |
| Type | Audio Power Amplifier | Class AB | - |
| Package / Case | WSON-10 | - | - |
| Audio Load Impedance | 4 Ohms | - | - |
| THD plus Noise | 0.2 % | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.2 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Reel | Tape & Reel (TR) Alternate Packaging | - |
| Supply Type | Single | - | - |
| Brand | Texas Instruments | - | - |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Current | 4 mA | - | - |
| Operating Supply Voltage | 2.2 V to 5.5 V | - | - |
| Product Type | Audio Amplifiers | - | - |
| PSRR Power Supply Rejection Ratio | 64 dB | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Audio ICs | - | - |
| Unit Weight | 0.000924 oz | - | - |
| Package Case | - | 10-WFDFN Exposed Pad | - |
| Operating Temperature | - | -40°C ~ 85°C (TA) | - |
| Mounting Type | - | Surface Mount | - |
| Output Type | - | 1-Channel (Mono) | - |
| Features | - | Depop, Shutdown | - |
| Voltage Supply | - | 2.2 V ~ 5.5 V | - |
| Supplier Device Package | - | 10-WSON (3x4) | - |
| Max Output Power x Channels Load | - | 2W x 1 @ 4 Ohm | - |