WMSIC Electronic Components

ST TSV522IYST

ModelTSV522IYST
PackageMiniSO-8
BrandST
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 23+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ST(STMicroelectronics) TSV522IYST
Type
ST
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ST(STMicroelectronics)
Electronic Component
TSV522IYST
Electronic Component
1
Package
MiniSO-8
Electronic Component
Operational Amplifier
Electronic Component
0.144g
Electronic Component
1
Electronic Component
Output
Electronic Component
BM0264866602
Operating Temperature
40℃~+125℃
Amplifier
2
Output Current
55mA
(SR)
890V/ms
Power Supply Voltage
2.7V~5.5V
Static Current(Iq)
45uA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

意法半导体TSV522IYST运算放大器产品概述

TSV522IYST是意法半导体(ST)推出的双通道运算放大器,采用8引脚MiniSO封装,针对低功耗、宽温环境及轨到轨输入输出需求优化,适用于工业、消费电子及电池供电设备等多场景。

一、核心身份与基本定位

该器件属于ST通用运放系列,以低静态功耗、高输入阻抗、轨到轨IO动态范围为核心特性,同时支持工业级宽温工作,是替代传统高功耗运放的高性价比选择。MiniSO-8封装相比普通SO-8缩小约40%,适合高密度PCB布局。

二、关键性能参数解析

1. 电源与轨到轨特性

  • 电源范围:单电源2.7V~5.5V,双电源模式下Vdd-Vss最大5.5V,覆盖3.7V锂电池及常规5V系统;
  • 轨到轨输入输出:输入电压可接近电源轨(Vss~Vdd),输出电压能驱动至电源轨附近(典型值90%以上),无需额外偏置电路即可实现大动态范围放大。

2. 功耗与电流特性

  • 静态电流仅45μA/通道:远低于传统运放(如LMV324约1mA),适合电池供电便携设备;
  • 输出电流55mA:可驱动1kΩ负载至接近电源轨,满足小功率负载(如LED、小型继电器)需求;
  • 输入偏置/失调电流1pA:极低的pA级输入电流,适合高阻抗传感器(如电容式传感器、热电偶)信号放大,避免信号衰减。

3. 精度与温漂

  • 输入失调电压(Vos)1mV:满足一般工业及消费类应用精度要求;
  • 失调电压温漂3μV/℃:在-40℃~+125℃宽温范围内,精度波动小,适配极端环境。

4. 速度与噪声

  • 增益带宽积(GBP)1.15MHz:可处理100kHz以下的音频、数据采集信号;
  • 压摆率(SR)890V/ms:远高于同类低功耗运放(如TLV2372约10V/ms),快速响应瞬态信号,避免波形失真;
  • 噪声密度57nV/√Hz@1kHz:低噪声适合微弱信号放大(如生物电信号、传感器微弱输出)。

5. 抗干扰与可靠性

  • 共模抑制比(CMRR)72dB:有效抑制电源噪声、电磁干扰,提升信号纯度;
  • 工作温度-40℃~+125℃:工业级宽温,稳定工作于户外、车载等极端场景。

三、典型应用场景

  1. 电池供电便携设备:智能手环、无线传感器节点,45μA低功耗延长电池续航;
  2. 工业传感器接口:压力、温度、湿度传感器信号放大,高输入阻抗避免信号衰减,宽温适配工业现场;
  3. 数据采集系统:ADC前端放大器,1.15MHz带宽满足低速采集,低噪声保证精度;
  4. 小型音频电路:耳机驱动、小型扬声器放大,轨到轨输出提升音频动态范围;
  5. 汽车电子辅助系统:车内环境监测、电池管理,宽温及低功耗适配车载场景(需确认车规认证)。

四、使用注意事项

  1. 电源连接:单电源时Vss接地、Vdd接2.7~5.5V,无需额外偏置;双电源需保证Vdd-Vss≤5.5V;
  2. 负载限制:输出电流最大55mA,避免过载发热;
  3. 输入保护:输入电压需在Vss-0.3V~Vdd+0.3V范围内,防止过压损坏;
  4. 封装焊接:MiniSO-8为表面贴装,需回流焊工艺,避免手工焊接损伤引脚。

五、选型优势对比

与同类产品(TLV2372、LMV324)相比,TSV522IYST核心优势:

  • 输入电流低至1pA(TLV2372为10pA,LMV324为20nA),高阻抗适配性更强;
  • 压摆率890V/ms(同类产品多为10V/ms),瞬态响应更快;
  • 宽温-40125℃(LMV324仅070℃),工业场景适配性更好;
  • 噪声密度更低(57nV/√Hz vs TLV2372 80nV/√Hz)。

TSV522IYST凭借低功耗、高输入阻抗、宽温及轨到轨特性,成为工业、消费电子及电池供电设备的高性价比运放选择,适合对功耗、精度及环境适应性有要求的应用场景。

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