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Maxim产品 - MAX13301介绍
MAX13301 - 4通道、汽车应用D类音频放大器

MAX13301是Maxim美信半导体公司的一款音频芯片产品,MAX13301是4通道、汽车应用D类音频放大器,本站介绍了MAX13301的封装应用图解、特点和优点、功能等,并给出了与MAX13301相关的Maxim元器件型号供参考。

MAX13301 - 4通道、汽车应用D类音频放大器 - 音频芯片 - 支持较宽的工作电压(6V至25.5V)范围,提供汽车诊断和抛负载保护 - 美信半导体

产品概述

The MAX13301 combines four high-efficiency Class D amplifiers with integrated diagnostic hardware for reliable automotive audio systems, and delivers up to 80W at 10% THD+N per channel into 4Ω when operating from a 24V supply.

The internal diagnostics evaluate each channel's output impedance to check for shorts across the outputs, to the battery, or to ground. The I²C interface allows the system to query critical device parameters such as device temperature and output clipping. The device is programmable to four different I²C addresses.

The audio amplifiers feature single-ended analog inputs with a common negative input. The MAX13301 has a fixed gain of 26dB.

The Class D amplifier has 10 programmable switching frequencies between 300kHz and 750kHz.

The BTL outputs are protected against short circuits and thermal overload. The outputs can be configured as a 2-, 3-, or 4-channel amplifier. The device provides 50V load-dump protection, and is offered in the thermally enhanced, 48-pin TSSOP-EPR package operating over the -40°C to +125°C temperature range.

关键特性
  • 以下关键特性由Maxim美信半导体提供:
  • High Output Power (10% THD+N)
  • 2 x 160W into 2Ω at 24V
  • 4 x 80W into 4Ω at 24V
  • 2 Channels Can Be Paralleled
  • Feedback After the Filter
  • Improves THD+N
  • Low Output Impedance
  • High-Frequency Response
  • Improved Damping of Complex Loads
  • Enables Low-Cost Inductors
  • 102dB SNR
  • Low 0.04% THD+N
  • 70dB PSRR
  • On-Board Diagnostics
  • Short-to-Battery/GND
  • Open/Shorted Load
  • Tweeter Detect
  • Protection and Monitoring Functions:
  • Short-Circuit Protection
  • 50V Load-Dump Protection
  • Programmable Clip Detection
  • DC Offset Detection
  • Open Battery/GND Tolerant
  • Thermal-Overload Protection
  • Thermal Warning Indication
  • Four-Address I²C Control Interface
  • Low-Power Shutdown Mode
  • Up to 90.5% Efficiency
  • -40°C to +125°C Ambient Operating Temperature
  • 48-Pin TSSOP-EPR (Top Side Exposed Pad) Package
  • AEC-Q100 Qualified
  • 热门应用
  • 有源扬声器系统
  • 汽车立体声系统
  • 分立式放大模块
  • 无线环绕系统
  • 无线装置
  • 后排座娱乐系统
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