제품 상세 정보

Audio input type Analog Input Architecture Class-AB Speaker channels (max) Mono Rating Catalog Load (min) (Ω) 8 Output power (W) 1.2 THD + N at 1 kHz (%) 0.1 Iq (typ) (mA) 5 Control interface Hardware Analog supply (min) (V) 2.2 Analog supply voltage (max) (V) 5.5 PSRR (dB) 68 Operating temperature range (°C) -40 to 85
Audio input type Analog Input Architecture Class-AB Speaker channels (max) Mono Rating Catalog Load (min) (Ω) 8 Output power (W) 1.2 THD + N at 1 kHz (%) 0.1 Iq (typ) (mA) 5 Control interface Hardware Analog supply (min) (V) 2.2 Analog supply voltage (max) (V) 5.5 PSRR (dB) 68 Operating temperature range (°C) -40 to 85
VSSOP (DGS) 10 14.7 mm² 3 x 4.9 WSON (NGT) 8 16 mm² 4 x 4
  • No Output Coupling Capacitors, Snubber Networks or Bootstrap Capacitors Required
  • Unity Gain Stable
  • Ultra Low Current Shutdown Mode
  • Fast Turn On: 80ms (typ), 110ms (max) with 1.0µF Capacitor
  • BTL Output Can Drive Capacitive Loads up to 100pF
  • Advanced Pop and Click Circuitry Eliminates Noises During Turn-On and Turn-Off Transitions
  • 2.2V - 5.0V Operation
  • Available in Space-Saving DSBGA, WSON, and VSSOP Packages

Key Specifications

  • PSRR: 5V, 3V at 217Hz: 62dB (typ)
  • Power Output at 5V, 1%THD+N: 1.1W (typ)
  • Power Output at 3V, 1%THD+N: 350mW (typ)
  • Shutdown Current: 0.1µA (typ)

All trademarks are the property of their respective owners. Boomer is a trademark of Texas Instruments.

  • No Output Coupling Capacitors, Snubber Networks or Bootstrap Capacitors Required
  • Unity Gain Stable
  • Ultra Low Current Shutdown Mode
  • Fast Turn On: 80ms (typ), 110ms (max) with 1.0µF Capacitor
  • BTL Output Can Drive Capacitive Loads up to 100pF
  • Advanced Pop and Click Circuitry Eliminates Noises During Turn-On and Turn-Off Transitions
  • 2.2V - 5.0V Operation
  • Available in Space-Saving DSBGA, WSON, and VSSOP Packages

Key Specifications

  • PSRR: 5V, 3V at 217Hz: 62dB (typ)
  • Power Output at 5V, 1%THD+N: 1.1W (typ)
  • Power Output at 3V, 1%THD+N: 350mW (typ)
  • Shutdown Current: 0.1µA (typ)

All trademarks are the property of their respective owners. Boomer is a trademark of Texas Instruments.

The LM4879 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1.1 watt of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5VDC power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4879 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for lower-power portable applications where minimal space and power consumption are primary requirements.

The LM4879 features a low-power consumption global shutdown mode, which is achieved by driving the shutdown pin with logic low. Additionally, the LM4879 features an internal thermal shutdown protection mechanism.

The LM4879 contains advanced pop and click circuitry which eliminates noises which would otherwise occur during turn-on and turn-off transitions.

The LM4879 is unity-gain stable and can be configured by external gain-setting resistors.

The LM4879 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1.1 watt of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5VDC power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4879 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for lower-power portable applications where minimal space and power consumption are primary requirements.

The LM4879 features a low-power consumption global shutdown mode, which is achieved by driving the shutdown pin with logic low. Additionally, the LM4879 features an internal thermal shutdown protection mechanism.

The LM4879 contains advanced pop and click circuitry which eliminates noises which would otherwise occur during turn-on and turn-off transitions.

The LM4879 is unity-gain stable and can be configured by external gain-setting resistors.

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* Data sheet LM4879 1.1 Watt Audio Power Amplifier datasheet (Rev. G) 2013/05/02

설계 및 개발

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시뮬레이션 툴

PSPICE-FOR-TI — TI 설계 및 시뮬레이션 툴용 PSpice®

TI용 PSpice®는 아날로그 회로의 기능을 평가하는 데 사용되는 설계 및 시뮬레이션 환경입니다. 완전한 기능을 갖춘 이 설계 및 시뮬레이션 제품군은 Cadence®의 아날로그 분석 엔진을 사용합니다. 무료로 제공되는 TI용 PSpice에는 아날로그 및 전력 포트폴리오뿐 아니라 아날로그 행동 모델에 이르기까지 업계에서 가장 방대한 모델 라이브러리 중 하나가 포함되어 있습니다.

TI 설계 및 시뮬레이션 환경용 PSpice는 기본 제공 라이브러리를 이용해 복잡한 혼합 신호 설계를 시뮬레이션할 수 있습니다. 레이아웃 및 제작에 (...)
패키지 CAD 기호, 풋프린트 및 3D 모델
VSSOP (DGS) 10 Ultra Librarian
WSON (NGT) 8 Ultra Librarian

주문 및 품질

포함된 정보:
  • RoHS
  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

지원 및 교육

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