WMSIC Electronic Components

BELLING BL358

ModelBL358
PackageSOP-8
BrandBELLING
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BELLING BL358
Type
BELLING
Minimum package
2500 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BELLING
Electronic Component
BL358
Electronic Component
1
Package
SOP-8
Electronic Component
Operational Amplifier
Electronic Component
0.231g
Electronic Component
1
Electronic Component
BM0230871968
Operating Temperature
40℃~+85℃
Amplifier
2
Output Current
50mA
(SR)
400V/ms
Power Supply Voltage
3V~25V
Static Current(Iq)
430uA
Electronic Component
Electronic Component

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

BL358 运算放大器产品概述

一、产品简介

BL358 是贝岭(BELLING)推出的一款双路通用运算放大器,封装为 SOP-8。器件适用于对带宽、速率和驱动能力有中等要求的模拟前端场景,提供可靠的性能与宽工作电压范围,便于在多种电源拓扑中使用。

二、主要性能参数

  • 放大器数:双路
  • 最大电源宽度(Vdd–Vss):25 V,单电源工作范围 3 V ~ 25 V
  • 增益带宽积(GBP):1 MHz
  • 输入失调电压(Vos):典型 5 mV
  • 压摆率(SR):400 V/ms(等价 0.4 V/μs)
  • 输入偏置电流(Ib):45 nA
  • 输入失调电流(Ios):3 nA
  • 共模抑制比(CMRR):90 dB
  • 静态电流(Iq):430 μA(典型)
  • 输出电流:最大 50 mA
  • 工作温度:-40 ℃ ~ +85 ℃

三、封装与引脚

BL358 提供 SOP-8 封装,便于贴片生产与散热。常见应用中占板面积小,焊接可靠性高。具体引脚排列与电源、输入、输出脚位请参考芯片数据手册以便正确布线。

四、典型应用场景

  • 仪表放大、信号调理与缓冲(电压跟随、输入滤波)
  • 有源滤波、低频放大(音频前端、通用传感器信号处理)
  • 小功率驱动场合(最多约 50 mA),如驱动小继电器驱动或 LED(需限流)
  • 便携或汽车电子系统(宽电源范围及工业温度支持)

五、设计与使用注意事项

  1. 由于 GBP 为 1 MHz,建议在闭环增益较高时关注带宽限制,避免在高频应用中超出有效增益带宽。
  2. 压摆率 0.4 V/μs 在快速边沿或大幅度输出变化时会限制瞬态表现,设计滤波/采样速率时应考虑该因素。
  3. 输入偏置电流与失调电压对高阻抗源或精密测量有影响,必要时配合偏置补偿或外部校准。
  4. 未标注为轨到轨输出/输入,若需接近电源轨工作,应预留头部/尾部余量或选择专用轨到轨型号。
  5. 电源去耦:建议在电源引脚邻近放置 0.1 μF 陶瓷和 10 μF 电解电容以保证稳定。
  6. 对容性负载驱动能力有限,直接驱动大电容可能引起振荡或过热,必要时并联阻尼电阻或缓冲级。

六、可靠性与采购

BL358 支持工业级温度范围(-40 ℃ ~ +85 ℃),适合多数消费、工业与汽车边缘应用。购买时建议通过正规代理或厂家渠道获取原装器件,并索取完整数据手册以核实封装尺寸、热参数和绝对最大额定值。

如需参考电路、引脚定义或更详细的电气特性(如输入电压范围、输出摆幅、噪声等),请告知我可为您整理常用典型电路图和布局建议。

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