Datasheet Texas Instruments LM4950
| Manufacturer | Texas Instruments |
| Series | LM4950 |
7.5W Mono-BTL or 3.1W Stereo Audio Power Amplifier
Datasheets
LM4950 7.5W Mono-BTL or 3.1W Stereo Audio Power Amplifier datasheet
PDF, 3.4 Mb, Revision: E, File published: May 1, 2013
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Prices
Status
| LM4950TS | LM4950TS/NOPB | LM4950TSX/NOPB | |
|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes | No |
Packaging
| LM4950TS | LM4950TS/NOPB | LM4950TSX/NOPB | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Pin | 9 | 9 | 9 |
| Package Type | KTW | KTW | KTW |
| Industry STD Term | TO-263 | TO-263 | TO-263 |
| JEDEC Code | R-PSFM-G | R-PSFM-G | R-PSFM-G |
| Package QTY | 45 | 45 | 500 |
| Carrier | TUBE | TUBE | LARGE T&R |
| Device Marking | L4950TS | L4950TS | L4950TS |
| Width (mm) | 8.687 | 8.687 | 8.687 |
| Length (mm) | 10.16 | 10.16 | 10.16 |
| Thickness (mm) | 4.572 | 4.572 | 4.572 |
| Pitch (mm) | .965 | .965 | .965 |
| Max Height (mm) | 4.8 | 4.8 | 4.8 |
| Mechanical Data | Download | Download | Download |
Parametrics
| Parameters / Models | LM4950TS | LM4950TS/NOPB | LM4950TSX/NOPB |
|---|---|---|---|
| Analog Supply (V), Min | 16 | 16 | 16 |
| Architecture | Class AB | Class AB | Class AB |
| Control Interface | Hardware | Hardware | Hardware |
| Iq per channel(Typ), mA | 16 | 16 | 16 |
| Iq(Max), mA | 16 | 16 | 16 |
| Iq(Typ), mA | 16 | 16 | 16 |
| Load(Min), ohms | 4 | 4 | 4 |
| Operating Temperature Range, C | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Power, W | 7.5 | 7.5 | 7.5 |
| PSRR, dB | 70 | 70 | 70 |
| Package Group | DDPAK/TO-263 | DDPAK/TO-263 | DDPAK/TO-263 |
| Package Size: mm2:W x L, PKG | 9DDPAK/TO-263: 146 mm2: 14.35 x 10.16(DDPAK/TO-263) | 9DDPAK/TO-263: 146 mm2: 14.35 x 10.16(DDPAK/TO-263) | 9DDPAK/TO-263: 146 mm2: 14.35 x 10.16(DDPAK/TO-263) |
| Pin/Package | 9DDPAK/TO-263 | 9DDPAK/TO-263 | 9DDPAK/TO-263 |
| Rating | Catalog | Catalog | Catalog |
| Shutdown Current (ISD), uA | 40 | 40 | 40 |
| Speaker Channels, Max | Stereo | Stereo | Stereo |
| THD + N @ 1 kHz, % | 0.03 | 0.03 | 0.03 |
Eco Plan
| LM4950TS | LM4950TS/NOPB | LM4950TSX/NOPB | |
|---|---|---|---|
| RoHS | See ti.com | Compliant | Compliant |
| Pb Free | Yes | Yes |
Application Notes
- Guidelines for Measuring Audio Power Amplifier PerformancePDF, 765 Kb, File published: Oct 30, 2001
This application note provides guidelines for measuring the date sheet parameters of Texas Instruments audio power amplifiers (APAs) using prefabricated evaluation modules (EVMs). The primary equipment used for the measurements consists of the System Two audio measurement system by Audio Precision , a digital multimeter (DMM), and a dc power supply. - AN-1849 An Audio Amplifier Power Supply Design (Rev. B)PDF, 1.9 Mb, Revision: B, File published: May 1, 2013
This application report provides design information for a power supply for use with our newest offering of high-performance, ultra high-fidelity audio amplifier input stage ICs.
Model Line
Series: LM4950 (3)
Manufacturer's Classification
- Semiconductors> Audio> Mid-Power Audio Amplifiers (5-50W)> Analog Input Amplifiers
