WMSIC Electronic Components

Slkor SL9062C

ModelSL9062C
PackageSOP-8
BrandSLKOR
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
Slkor SL9062C
Type
SLKOR
Minimum package
4000 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SLKOR
Electronic Component
SL9062C
Electronic Component
1
Package
SOP-8
Electronic Component
Operational Amplifier
Electronic Component
0.15g
Electronic Component
1
Electronic Component
Output
Features
EMI / RF
Electronic Component
BM0264380393
Operating Temperature
40℃~+125℃
Amplifier
2
Output Current
30mA
(SR)
8V/us
Power Supply Voltage
1.5V~5.5V

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

SL9062C 产品概述

SL9062C 是 Slkor(萨科微)推出的一款高性能双通道低压运算放大器,支持 1.5V 至 5.5V 单电源工作,并提供轨到轨输入与轨到轨输出能力。该系列还包含四通道版本 SL9064,适合对通道数有更高集成需求的系统。SL9062C 在低电源电压、低偏置电流、高共模抑制比以及良好抗电磁干扰能力方面均表现优异,适用于便携、精密测量与抗干扰要求高的模拟前端设计。

一、主要特性(要点速览)

  • 通道数:双运算放大器(SL9064 为四运放)
  • 电源范围:单电源 1.5V ~ 5.5V(最大差分电压 Vdd–Vss = 5.5V)
  • 输入/输出:轨到轨输入,轨到轨输出
  • 增益带宽积(GBW):25 MHz
  • 压摆率(SR):8 V/µs
  • 输入失调电压(Vos):典型 500 µV
  • 失调电压温漂(Vos TC):500 nV/℃(典型)
  • 输入偏置电流(Ib):0.5 pA(典型)
  • 输入失调电流(Ios):0.05 pA(典型)
  • 输入电压噪声密度(eN):7 nV/√Hz @ 1 kHz
  • 共模抑制比(CMRR):100 dB
  • 静态电流(Iq):典型 400 µA(每通道/器件视具体资料)
  • 输出驱动能力:可提供最高约 30 mA 输出电流
  • 工作温度范围:-40 ℃ ~ +125 ℃
  • 抗干扰特性:内建 EMI 滤波 / RF 抑制优化
  • 封装:SOP-8

二、关键参数解析(对设计的影响)

  • 低电压工作(1.5V 起):适配电池供电和低功耗系统,能直接在单节锂电或车用低压域工作。
  • 轨到轨输入/输出:在接近电源轨时仍能保持放大功能,简化偏置网络设计,提高动态范围。
  • 25 MHz GBW 与 8 V/µs 压摆率:在中高频率信号链(滤波、采样保持、驱动 ADC 前端)中能保证足够的带宽与快速响应,适合需要一定速率与精度的模拟信号处理。
  • 极低的输入偏置与失调电流(pA 级):非常适合高阻抗传感器接口、霍尔/电容传感器、电荷放大等应用,配合低失调电压(500 µV)可以降低漂移误差。
  • 7 nV/√Hz 噪声密度与 100 dB 的 CMRR:保证在低噪声、高共模干扰场景下仍能提供良好的信号完整性。
  • EMI / RF 抑制特性:对有射频干扰或需要在电磁环境复杂的系统中工作(如无线模块附近、汽车电子)尤为有利,降低振荡和误动作风险。

三、典型应用场景

  • 便携式测量仪器与便携医疗设备(低压供电、低噪声、高精度)
  • 传感器前端(温度、压力、电化学、光电传感器等高阻抗源)
  • 数据采集与模拟前置放大(ADC 驱动、差分放大器、采样保持)
  • 工业控制与汽车电子(宽温度范围与较强抗干扰能力)
  • EMI / RF 环境下的模拟信号处理(无线模块附近的模拟电路)

四、设计与布局建议(实用提示)

  • 电源去耦:在 Vdd 与 Vss 近端放置 0.1 µF 陶瓷电容并配合 1 µF 以上的旁路电容以抑制低频噪声与瞬态,靠近器件引脚布置,减小走线寄生。
  • 输入 EMI/RF 抑制:若外部环境有强 RF 干扰,可在输入端采用 RC 低通滤波(R 建议 10 Ω~1 kΩ,C 建议 1 pF~100 pF,按所需截止频率选择),必要时加并联 50 Ω 阻尼或小型铁氧体以抑制高频。
  • 高阻抗节点防护:由于器件 Ib 极低,建议对高阻抗输入使用 guard trace(环绕接地)以及良好接地平面,避免表面污迹和泄漏导致的误差。
  • 布局:模拟地与数字地分区,尽量减少模拟输入与高速数字线交叉,输出负载回路要尽可能短,避免形成辐射天线。
  • 稳定性:在使用较高闭环增益或大负载时,注意测试系统相位裕度与响应,必要时通过并联小电容或增益限制来改善稳定性。

五、封装与选型信息

  • 封装形式:SOP-8,适用于中等密度 PCB 装配与散热要求不高的应用。
  • 系列扩展:SL9064 为四通道版本,适合多通道集成需求以节省 PCB 面积与器件数量。
  • 温度等级:工业级 -40 ℃ ~ +125 ℃,适用于严苛环境。

总结:SL9062C 将低压轨到轨性能、极低偏置电流与良好抗干扰特性结合,在便携式、精密测量和 EMI 严苛环境中提供稳定、低噪的放大解决方案。针对高阻抗传感器与 ADC 前端设计时,配合适当的去耦与输入滤波,可充分发挥其性能优势。

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