Datasheet Texas Instruments LM4673SD/NOPB
| Manufacturer | Texas Instruments |
| Series | LM4673 |
| Part Number | LM4673SD/NOPB |
Filterless, 2.65W, Mono, Class D Audio Power Amplifier 8-WSON -40 to 85
Datasheets
LM4673 Filterless, 2.65W, Mono, Class D Audio Power Amplifier datasheet
PDF, 4.5 Mb, Revision: D, File published: May 1, 2013
Extract from the document
Prices
Status
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes |
Packaging
| Pin | 8 |
| Package Type | NGQ |
| Industry STD Term | WSON |
| JEDEC Code | S-PDSO-N |
| Package QTY | 1000 |
| Carrier | LARGE T&R |
| Device Marking | L4673 |
| Width (mm) | 3 |
| Length (mm) | 3 |
| Thickness (mm) | .8 |
| Pitch (mm) | .5 |
| Max Height (mm) | .8 |
| Mechanical Data | Download |
Parametrics
| Analog Supply (V) | 2.4 Max |
| Architecture | Class D |
| Audio Input Type | Analog Input |
| Control Interface | Hardware |
| Iq per channel(Typ) | 2.6 mA |
| Iq(Max) | 3.75 mA |
| Iq(Typ) | 2.6 mA |
| Load(Min) | 4 ohms |
| Operating Temperature Range | -40 to 85 C |
| Output Power | 2.65 W |
| PSRR | 78 dB |
| Package Group | WSON |
| Package Size: mm2:W x L | See datasheet (WSON) PKG |
| Pin/Package | 8WSON, 9DSBGA |
| Rating | Catalog |
| Shutdown Current (ISD) | 0.01 uA |
| Speaker Channels | Mono Max |
| THD + N @ 1 kHz | 0.03 % |
Eco Plan
| RoHS | Compliant |
Design Kits & Evaluation Modules
- Evaluation Modules & Boards: LM4673TMBD
LM4673TMBD Filterless, 2.65W, Mono, Class D Audio Power Amplifier Evaluation Board
Lifecycle Status: Active (Recommended for new designs)
Application Notes
- AN-1614 LM48510 Speaker AN- (Rev. B)PDF, 154 Kb, Revision: B, File published: May 1, 2013
This application report provides information on the performance of the LM48510 and the LM4673 in astereo application. - 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-1737 Managing EMI in Class D Audio Applications (Rev. A)PDF, 140 Kb, Revision: A, File published: May 1, 2013
Electromagnetic interference (EMI) is an unwanted disturbance caused in an electrical circuit byelectromagnetic radiation emitted from an external source. The disturbance may interrupt, obstruct, orotherwise degrade the effective performance of the circuit. - 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. - AN-1497 Filterless Class D Amplifiers (Rev. A)PDF, 190 Kb, Revision: A, File published: May 1, 2013
As portable electronic devices continue to shrink in size, manufacturers look for ways to push theenvelope and develop the smallest, yet most functional product available. The promise of longer batterylife, smaller size and an enhanced sensory experience appeals to customers. Like the voltage regulatormarket, where system designers moved away from the simple but power hungry linear regulator
Model Line
Series: LM4673 (3)
- LM4673SD/NOPB LM4673TM/NOPB LM4673TMX/NOPB
Manufacturer's Classification
- Semiconductors > Audio > Low-Power Audio Amplifiers (<10W) > Speaker Amplifier Class AB/Class D
