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LM4835

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具有音量控制功能、可选增益且兼容 PC98 的 2W、立体声、模拟输入、AB 类音频放大器

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LM4835

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产品详情

Audio input type Analog Input Architecture Class-AB Speaker channels (max) Stereo Control interface Hardware Output power (W) 2.5 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 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
TSSOP (PW) 28 62.08 mm² 9.7 x 6.4
  • PC98 Compliant
  • DC Volume Control Interface
  • System Beep Detect
  • Stereo Switchable Bridged/Single-Ended Power Amplifiers
  • Selectable Internal/External Gain and Bass Boost Configurable
  • “Click and Pop” Suppression Circuitry
  • Thermal Shutdown Protection Circuitry

Key Specifications

  • PO at 1% THD+N into 3Ω (LM4835LQ, LM4835MTE) 2.2 W (typ)
  • PO at 1% THD+N into 4Ω (LM4835LQ, LM4835MTE) 2.0 W (typ)
  • PO at 1% THD+N into 8Ω (LM4835) 1.1 W (typ) 1.0 % (typ)
  • Single-Ended Mode - THD+N at 85mW into 32Ω
  • Shutdown Current 0.7 µA (typ)

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

  • PC98 Compliant
  • DC Volume Control Interface
  • System Beep Detect
  • Stereo Switchable Bridged/Single-Ended Power Amplifiers
  • Selectable Internal/External Gain and Bass Boost Configurable
  • “Click and Pop” Suppression Circuitry
  • Thermal Shutdown Protection Circuitry

Key Specifications

  • PO at 1% THD+N into 3Ω (LM4835LQ, LM4835MTE) 2.2 W (typ)
  • PO at 1% THD+N into 4Ω (LM4835LQ, LM4835MTE) 2.0 W (typ)
  • PO at 1% THD+N into 8Ω (LM4835) 1.1 W (typ) 1.0 % (typ)
  • Single-Ended Mode - THD+N at 85mW into 32Ω
  • Shutdown Current 0.7 µA (typ)

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

The LM4835 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 LM4835 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 LM4835 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 LM4835LQ and LM4835MTE will deliver 2W into 4Ω. The LM4835MT will deliver 1.1W into 8Ω. See the section LM4835LQ and for LM4835MTE usage information.

NOTE: An LM4835LQ and LM4835MTE that have been properly mounted to the circuit board and forced-air cooled will deliver 2.2W into 3Ω.

The LM4835 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 LM4835 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 LM4835 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 LM4835LQ and LM4835MTE will deliver 2W into 4Ω. The LM4835MT will deliver 1.1W into 8Ω. See the section LM4835LQ and for LM4835MTE usage information.

NOTE: An LM4835LQ and LM4835MTE that have been properly mounted to the circuit board and forced-air cooled will deliver 2.2W into 3Ω.
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类型 标题 下载最新的英语版本 日期
* 数据表 LM4835 Stereo 2W Audio Pwr Amp w/DC Vol Cntrl & Selectable Gain 数据表 (Rev. F) 2013年 5月 1日

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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