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오디오, 햅틱, 피에조
오디오 증폭기
범용 오디오 증폭기

LM4838

활성

DC 볼륨 조절 및 선택 가능한 게인을 지원하는 스테레오 2W 오디오 전력 증폭기

지금 주문하기
데이터 시트

LM4838

활성
데이터 시트 지금 주문하기

제품 상세 정보

Audio input type Analog Input Architecture Class-AB Speaker channels (max) Stereo Control interface Hardware Output power (W) 2.5 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2.7 THD + N at 1 kHz (%) 0.3 Load (min) (Ω) 3 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
Audio input type Analog Input Architecture Class-AB Speaker channels (max) Stereo Control interface Hardware Output power (W) 2.5 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2.7 THD + N at 1 kHz (%) 0.3 Load (min) (Ω) 3 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
HTSSOP (PWP) 28 62.08 mm² (9.7 mm × 6.4 mm)
  • DC Volume Control Interface
  • System Beep Detect
  • Stereo Switchable Bridged/Single-Ended Power Amplifiers
  • Selectable Internal/External Gain and Bass Boost
  • “Click and Pop” Suppression Circuitry
  • Thermal Shutdown Protection Circuitry

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

  • DC Volume Control Interface
  • System Beep Detect
  • Stereo Switchable Bridged/Single-Ended Power Amplifiers
  • Selectable Internal/External Gain and Bass Boost
  • “Click and Pop” Suppression Circuitry
  • Thermal Shutdown Protection Circuitry

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

The LM4838 is a monolithic integrated circuit that provides DC volume control, and stereo bridged audio power amplifiers capable of producing 2W into 4Ω with less than 1.0% THD or 2.2W into 3Ω with less than 1.0% THD (see Notes below).

Boomer audio integrated circuits were designed specifically to provide high quality audio while requiring a minimum amount of external components. The LM4838 incorporates a DC volume control, stereo bridged audio power amplifiers and a selectable gain or bass boost, making it optimally suited for multimedia monitors, portable radios, desktop, and portable computer applications.

The LM4838 features an externally controlled, low-power consumption shutdown mode, and both a power amplifier and headphone mute for maximum system flexibility and performance.

Note: When properly mounted to the circuit board, the LM4838NJB, LM4838PWP, and LM4838NYC will deliver 2W into 4Ω. The LM4838PW and LM4838YZR will deliver 1.1W into 8Ω. See section for more information.

Note: An LM4838NJB and LM4838PWP that have been properly mounted to the circuit board and forced-air cooled will deliver 2.2W into 3Ω.

The LM4838 is a monolithic integrated circuit that provides DC volume control, and stereo bridged audio power amplifiers capable of producing 2W into 4Ω with less than 1.0% THD or 2.2W into 3Ω with less than 1.0% THD (see Notes below).

Boomer audio integrated circuits were designed specifically to provide high quality audio while requiring a minimum amount of external components. The LM4838 incorporates a DC volume control, stereo bridged audio power amplifiers and a selectable gain or bass boost, making it optimally suited for multimedia monitors, portable radios, desktop, and portable computer applications.

The LM4838 features an externally controlled, low-power consumption shutdown mode, and both a power amplifier and headphone mute for maximum system flexibility and performance.

Note: When properly mounted to the circuit board, the LM4838NJB, LM4838PWP, and LM4838NYC will deliver 2W into 4Ω. The LM4838PW and LM4838YZR will deliver 1.1W into 8Ω. See section for more information.

Note: An LM4838NJB and LM4838PWP that have been properly mounted to the circuit board and forced-air cooled will deliver 2.2W into 3Ω.
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* 데이터 시트 LM4838 Stereo 2W Audio Pwr Amplifiers w/ DC Vol Cntrl & Selectable Gain datasheet (Rev. F) 2013. 3. 21

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