Datasheet Texas Instruments LM4991
| Manufacturer | Texas Instruments |
| Series | LM4991 |
3W Audio Power Amplifier with Shutdown Mode
Datasheets
LM4991 3W Audio Power Amplifier with Shutdown Mode datasheet
PDF, 1.0 Mb, Revision: A, File published: Apr 5, 2013
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Prices
Status
| LM4991LD/NOPB | LM4991LDX/NOPB | LM4991MA/NOPB | LM4991MAX/NOPB | |
|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes | No | Yes |
Packaging
| LM4991LD/NOPB | LM4991LDX/NOPB | LM4991MA/NOPB | LM4991MAX/NOPB | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Pin | 8 | 8 | 8 | 8 |
| Package Type | NGN | NGN | D | D |
| Industry STD Term | WSON | WSON | SOIC | SOIC |
| JEDEC Code | S-PDSO-N | S-PDSO-N | R-PDSO-G | R-PDSO-G |
| Package QTY | 1000 | 4500 | 95 | 2500 |
| Carrier | LARGE T&R | LARGE T&R | TUBE | LARGE T&R |
| Device Marking | L4991 | L4991 | LM49 | LM49 |
| Width (mm) | 4 | 4 | 3.91 | 3.91 |
| Length (mm) | 4 | 4 | 4.9 | 4.9 |
| Thickness (mm) | .8 | .8 | 1.58 | 1.58 |
| Pitch (mm) | .8 | .8 | 1.27 | 1.27 |
| Max Height (mm) | .8 | .8 | 1.75 | 1.75 |
| Mechanical Data | Download | Download | Download | Download |
Parametrics
| Parameters / Models | LM4991LD/NOPB | LM4991LDX/NOPB | LM4991MA/NOPB | LM4991MAX/NOPB |
|---|---|---|---|---|
| Analog Supply (V), Min | 2.2 | 2.2 | 5.5 | 5.5 |
| Architecture | Class AB | Class AB | Class AB | Class AB |
| Audio Input Type | Analog Input | Analog Input | Analog Input | Analog Input |
| Control Interface | Hardware | Hardware | Hardware | Hardware |
| Iq per channel(Typ), mA | 4 | 4 | 4 | 4 |
| Iq(Max), mA | 10 | 10 | 10 | 10 |
| Iq(Typ), mA | 4 | 4 | 4 | 4 |
| Load(Min), ohms | 3 | 3 | 3 | 3 |
| Operating Temperature Range, C | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Power, W | 3 | 3 | 3 | 3 |
| PSRR, dB | 64 | 64 | 64 | 64 |
| Package Group | WSON | WSON | SOIC | SOIC |
| Package Size: mm2:W x L, PKG | See datasheet (WSON) | See datasheet (WSON) | 8SOIC: 29 mm2: 6 x 4.9(SOIC) | 8SOIC: 29 mm2: 6 x 4.9(SOIC) |
| Pin/Package | 8SOIC, 8WSON | 8SOIC, 8WSON | 8SOIC, 8WSON | 8SOIC, 8WSON |
| Rating | Catalog | Catalog | Catalog | Catalog |
| Shutdown Current (ISD), uA | 0.1 | 0.1 | 0.1 | 0.1 |
| Speaker Channels, Max | Mono | Mono | Mono | Mono |
| THD + N @ 1 kHz, % | 0.2 | 0.2 | 0.2 | 0.2 |
Eco Plan
| LM4991LD/NOPB | LM4991LDX/NOPB | LM4991MA/NOPB | LM4991MAX/NOPB | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LM4991 (4)
Manufacturer's Classification
- Semiconductors> Audio> Low-Power Audio Amplifiers ( Speaker Amplifier Class AB/Class D
