LM4950
- Pop & Click Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions
- Low Current, Active-Low Shutdown Mode
- Low Quiescent Current
- Stereo 3.1W Output, RL = 4Ω
- Mono 7.5W BTL Output, RL = 8Ω
- Short Circuit Protection
- Unity-Gain Stable
- External Gain Configuration Capability
Key Specifications
- Quiescent Power Supply Current 16mA (typ)
- POUT
(SE)
- VDD = 12V, RL = 4Ω, 1% THD+N: 3.1W (typ)
- POUT
(BTL)
- VDD = 12V, RL = 8Ω, 10% THD+N: 7.5W (typ)
- Shutdown Current 40μA (typ)
All trademarks are the property of their respective owners.
The LM4950 is a dual audio power amplifier primarily designed for demanding applications in flat panel monitors and TV's. It is capable of delivering 3.1 watts per channel to a 4Ω single-ended load with less than 1% THD+N or 7.5 watts mono BTL to an 8Ω load, with less than 10% THD+N from a 12VDC power supply.
Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4950 does not require bootstrap capacitors or snubber circuits. Therefore, it is ideally suited for display applications requiring high power and minimal size.
The LM4950 features a low-power consumption active-low shutdown mode. Additionally, the LM4950 features an internal thermal shutdown protection mechanism along with short circuit protection.
The LM4950 contains advanced pop & click circuitry that eliminates noises which would otherwise occur during turn-on and turn-off transitions.
The LM4950 is a unity-gain stable and can be configured by external gain-setting resistors.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 | |
|---|---|---|---|---|---|---|
| * | 데이터 시트 | LM4950 7.5W Mono-BTL or 3.1W Stereo Audio Power Amplifier datasheet (Rev. E) | 2013. 5. 1 | |||
| 애플리케이션 노트 | Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) | 2019. 8. 26 | ||||
| 애플리케이션 노트 | AN-1849 An Audio Amplifier Power Supply Design (Rev. C) | 2019. 6. 27 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| TO-263 (KTW) | 9 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.