力芯微推出高性能音频开关 ETQ5228M

Release time:2025-08-20
author:AMEYA360
source:力芯微
reading:338

  产品概述

  随着现代汽车制造的快速发展以及用户不断追求的高质量的品质,车载上也逐渐出现了越来越多的智能化设备,其中包含着诸多的音频方面的设备,那么此时就需要性能更加优越的车规级音频开关。

  力芯微推出了专门为车载方面音频设备而设计的,低失真度和低静态功耗的高性能车规级模拟音频开关。ETQ5228M是一款双路SPDT的高性能音频开关,具有可传输负压(-2V 至 VCC),低导通内阻(0.4Ω),以及较高的通道带载能力(300 mA)。可以用于汽车的T-BOX当中。

  产品特性

  电源电压范围(VCC):1.8V~5.5V;

  可通负压的传输电压范围(VIS):-2V~VCC;

  低导通内阻(RON):0.4Ω;

  通道持续通流能力:±300mA;

  低待机功耗(ICC):500nA;

  低总谐波失真(THD+N):0.06%;

  工作温度范围:-40°C ~ 105°C

  管脚定义

力芯微推出高性能音频开关 ETQ5228M

  典型应用

力芯微推出高性能音频开关 ETQ5228M


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高性能运放 | 力芯微推出高性能通用运算放大器
  概述  随着现代智能化汽车的车身中大量使用直流电机,必须精准地采样电流保证电机正常工作,无人机和电动工具等应用也需要电流采样电路来控制电机,而设计这些电流采样电路时,都需要用到高性能的运算放大器。  力芯微推出了专为内部包含电流采样电路的应用而设计的,输入共模电压范围可低至地电位的一款高性能通用放大器ET85602。ET85602是一款双路低压(1.8 V至5.5 V)的运算放大器,具有轨到轨输入和输出摆幅能力。10MHz带宽可用于电机及电源系统电流采样,各类传感器信号调理。ET85602支持高容性负载驱动,即使在电容负载驱动为100pf时,ET85602也能够稳定工作。  特点(Feature)  ● 电源电压范围:1.8V~5.5V;  ● 高增益带宽积(GBP):10MHz;  ● 低输入失调电压(Vos):±0.3mV;  ● 低输入失调温漂:±0.53μV/°C;  ● 低输入偏置电流(IB):±1pA;  ● 低功耗(Iǫ):550μA/Channel;  ● 支持轨到轨输入和输出;  ● 高压摆率(SR):6V/μs;  ● 共模输入电压范围包括负电源轨到正电源轨;  ● 扩展级工业温度范围:-40°C ~ 125°C  典型应用  关键项测试数据、曲线  管脚定义:  功能框图:  ET85602核心特点  (1) ET85602具有高增益带宽积(GBP)10MHz。  (2) ET85602具有良好的失调电压温漂特性,能适应高温、低温环境的应用。  (3) ET85602的共模输入电压范围包括负电源轨到正电源轨;下图为失调电压VOS@VS=±2.75V在VCM全电压范围内的变化  (4)ET85602具有超低的噪声,不会对前后级器件产生干扰。  上图为VS=±2.75V,放大1000000倍后的0.1Hz~10Hz输入噪声电压,换算后0.1Hz~10Hz噪声电压实测值为3.2uVpp。  (5)ET85602具有极佳的小信号瞬态响应。
2025-09-29 16:37 reading:246
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