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GOODWORK LMV358
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK LMV358
- Type
- GOODWORK
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- LMV358
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- Operational Amplifier
- Electronic Component
- 0.137g
- Electronic Component
- 1
- Electronic Component
- Output
- Features
- Electronic Component
- Electronic Component
- BM0257623398
- Operating Temperature
- 40℃~+125℃
- Amplifier
- 2
- Output Current
- 50mA
- (SR)
- 8V/us
- Power Supply Voltage
- 2.1V~5.5V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
GOODWORK LMV358（双路）产品概述
一、产品简介
GOODWORK（固得沃克）LMV358是一款双路低压差分放大器，专为便携与工业级单电源系统设计。器件支持2.1V至5.5V单电源工作，最大电源宽度5.5V，工作温度范围宽 (-40℃ ~ +125℃)，封装为SOP-8，适合表面贴装及通用电路板布局。
二、主要性能亮点
- 增益带宽积（GBP）：11MHz，适合中等带宽信号放大与滤波应用。
- 压摆率（SR）：8V/µs，能应对中速边沿与快速变化信号。
- 输入失调电压（Vos）：典型4mV，温漂Vos TC：2µV/℃，保证在温度变化下的稳定性。
- 输入偏置/失调电流：Ib、Ios 均为1pA数量级，适合高阻抗传感器接口。
- 噪声密度：8.5nV/√Hz（@10kHz），在低频噪声敏感应用中表现良好。
- 共模抑制比（CMRR）：83dB，保障共模干扰抑制。
- 静态电流（Iq）：1.4mA（典型），功耗低，适合电池供电场合。
- 输出能力：最高可达50mA，能够驱动多数小负载或后级缓冲电路。
三、典型应用场景
- 电池供电设备与便携式仪器的前端放大与信号调理。
- 传感器接口（温度、压力、光电）：高输入阻抗与低偏置电流有利于微弱信号采集。
- 低功耗数据采集系统、ADC驱动与差分放大器应用。
- 主动滤波器、音频前置放大（中低频）、阈值比较与信号整形。
四、设计与布局建议
- 电源引脚附近放置0.1µF陶瓷旁路电容，靠近器件焊盘以抑制高频噪声。
- 若需更高共模抑制与抗干扰，尽量缩短输入到放大器的导线长度并使用良好接地。
- 输出驱动大负载或长线时，关注发热与稳定性，必要时并联补偿或串联阻抗。
- 在高增益配置下注意相位裕度与频率补偿，避免振荡。
五、封装与可靠性
SOP-8封装利于自动贴装与散热管理，工业级温度范围保证在严苛环境下长期稳定运行，适合消费电子与工业控制并重的设计需求。
总结：GOODWORK LMV358以其低功耗、高输入阻抗、良好的带宽与稳健的温漂特性，适用于各类需要精确模拟放大的单电源系统，是传感器前端与便携式信号调理的可靠选择。
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