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COSINE COS9102SRB
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- COSINE COS9102SRB
- Type
- COSINE
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- COSINE
- Electronic Component
- COS9102SRB
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- Operational Amplifier
- Electronic Component
- 0.178g
- Electronic Component
- 1
- Electronic Component
- Output
- Features
- Built-in
- Electronic Component
- BM0265013195
- Operating Temperature
- 40℃~+125℃
- Amplifier
- 2
- Output Current
- 50mA
- (SR)
- 800V/ms
- Power Supply Voltage
- 2.7V~16V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
COS9102SRB 产品概述
一、概述
COS9102SRB 是科山芯创（COSINE）推出的双通道运算放大器，封装为 SOP-8，面向中低频精密信号处理与电池供电系统。器件具备轨到轨输入与轨到轨输出能力、内部补偿并可在宽电源电压下稳定工作，适合传感器前端、仪表放大、ADC 驱动等需要低偏置电流与稳定直流精度的应用场景。
二、主要性能参数
- 放大器通道数：2
- 最大电源差(Vdd–Vss)：16 V
- 单电源工作电压：2.7 V ~ 16 V
- 双电源示例范围：Vee ~ Vcc 可覆盖 -8 V ~ -1.35 V 或 1.35 V ~ 8 V（支持对称/非对称供电配置）
- 轨到轨输入/输出（R-R IN / R-R OUT）
- 增益带宽积(GBW)：1 MHz（内置补偿，适合 unity-gain 稳定）
- 输入失调电压Vos：典型 5 mV；温漂 1 μV/℃
- 输入偏置电流Ib / 失调电流Ios：典型 1 pA
- 压摆率 SR：800 V/ms（即 0.8 V/μs）
- 输入电压噪声密度 eN：40 nV/√Hz @1 kHz
- 共模抑制比 CMRR：125 dB
- 静态电流 Iq：典型 80 μA
- 输出电流能力：最高 50 mA
- 工作温度范围：-40 ℃ ~ +125 ℃
- 封装：SOP-8
- 功能特性：内置补偿
三、特色与优势
- 低偏置电流（pA 级）适合与高阻抗传感器直连，减少漏电导致的误差。
- 低失调与极低温漂保证长期直流精度，利于 DC 精密测量与零点校准减少频繁校准需求。
- 轨到轨输入/输出提高动态范围，在低电压供电或单电源系统中可直接处理近地与近电源端的信号。
- 内置补偿与 1 MHz GBW 保证在闭环低增益应用中稳定可靠，便于系统级设计。
- 低静态电流配合宽工作电源，适合便携式与低功耗工业设备。
四、典型应用
- 温度、压力、流量等传感器放大与信号调理
- 便携式测量仪器与电池供电系统
- 精密数据采集（ADC 前端）与缓冲器
- 低频滤波器、积分器与比较放大应用
五、设计与使用建议
- 虽为轨到轨器件，但在接近电源极限处的线性度与摆幅受负载影响，请在系统设计时留有余量。
- 输出大电流驱动会提高功耗与温升，设计热管理与去耦电容以保证稳定性。
- 对于高精度直流应用，应考虑使用合适的输入偏置补偿及低噪声电源，以发挥器件的低失调与低噪声优势。
- 推荐在电源侧并联陶瓷+电解去耦，减少干扰并保证带宽内的稳定输出。
COS9102SRB 以其低偏置、低失调、轨到轨特性及工业级温度范围，为对直流精度与高阻抗接口有需求的系统提供了经济且可靠的放大器选择。若需更详细的电气特性曲线与典型接线图，请参阅器件数据手册或联系科山芯创技术支持。
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