




产品详情资料
提供到计算器的链接。光电二极管电容(pF)闭环带宽,f-3dB(MHz)集成输入参考噪声,I RN(nARMS)0 2 4 6 8 10 14 16 18 20 20 50 30 40 150 50 200 60 250 70 300 80 350 90 400 100 450 110 D209 f-3dB,RF=10 k:f-3dB、RF=20 k:IRN、RF=10 k:反馈电阻(k:)闭环带宽、f-3dB,I RN(nARMS)50 0 100 20 150 40 200 60 250 80 300 100 120 100 D210 f-3dB,CF=1 pF f-3dB、CF=2 pF IRN、CF=1 p f IRN,CF=2 p f 21 OPA858 www.ti.com SBOS629A–2018年4月–2018年7月修订产品文件夹链接:OPA858Copyright©2018,Texas Instruments Incorporated提交文档反馈申请信息(续)图57。带宽和噪声性能与光电二极管电容图58。带宽和噪声特性与反馈电阻上述应用报告和博客文章中的方程式和计算器用于模拟配置为TIA的OPA858的带宽(f-3dB)和噪声(IRN)性能。结果性能如图57和图58所示。左侧Y轴表示闭环带宽性能,而图的右侧表示集成输入参考噪声。对于固定RF和CPD,用于计算IRN的噪声带宽设置为等于f–3dB频率。图57显示provides a link to the calculator. Photodiode capacitance (pF) Closed-loop Bandwidth, f-3dB (MHz) Integrated Input Referred Noise, I RN (nARMS) 0 2 4 6 8 10 12 14 16 18 20 0 20 50 30 100 40 150 50 200 60 250 70 300 80 350 90 400 100 450 110 D209 f-3dB, RF = 10 k: f-3dB, RF = 20 k: IRN, RF = 10 k: IRN, RF = 20 k: Feedback Resistance (k:) Closed-loop Bandwidth, f-3dB (MHz) Integrated Input Referred Noise, I RN (nARMS) 50 0 100 20 150 40 200 60 250 80 300 100 350 120 10 100 D210 f-3dB, CF = 1 pF f-3dB, CF = 2 pF IRN, CF = 1 pF IRN, CF = 2 pF 21 OPA858 www.ti.com SBOS629A –APRIL 2018–REVISED JULY 2018 Product Folder Links: OPA858 Copyright © 2018, Texas Instruments Incorporated Submit Documentation Feedback Application Information (continued) Figure 57. Bandwidth and Noise Performance vs Photodiode Capacitance Figure 58. Bandwidth and Noise Performance vs Feedback Resistance The equations and calculators in the application report and blog posts referenced above are used to model the bandwidth (f-3dB) and noise (IRN) performance of the OPA858 configured as a TIA. The resultant performance is shown in Figure 57 and Figure 58. The left side Y-axis shows the closed-loop bandwidth performance, while the right side of the graph shows the integrated input referred noise. The noise bandwidth to calculate IRN, for a fixed RF and CPD is set equal to the f–3dB frequency. Figure 57 shows
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●使用前:
在操作和维护,安装设备之前,请阅读并严格遵守安全相关的信息。
Read and strictly follow safety-related information before operatingmaintainingand installing equipment.
●使用者要求:
必须从事安装,组装或维护设备等相关工控电气机械以及其他相关技术的人员。
Must be engaged in the installation,assembly or maintenance of equipment and other related industriacontroeectrica machinery and other related technica personne.应用范围:
应用于品牌本系列工业以及生产生活自动化设备产品。
Used in the brand of this series of industriaand production automation eauipment products
适用于场景:系统集成,非标定制,产线升级改造,原设备电气替换等等。
Suitable for scenarios:system integration,non-standard customizationproduction line upgrading and transformation,electrical replacement of original equipment,etc.
●操作人员:
应该由本品牌专业培训操作员来安装、操作和维修设备。专业人员具有技术能力强,熟悉安全信息和安全实施:
熟悉设备的安装加工、操作和维护:熟悉处理所有的潜在危险情况。
Equipment should be installed,operated and maintained by trained operators from the brand
●危险情况
警告
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●除了产品特性以及功能,还需了解产品的使用寿命环境。
●充分学习产品使用手册,否则非专业人员可能会造成人身危险。
Study the product instruction manual thoroughlyotherwise it may cause personal danger to non-professionals.
●服务行业
适用水泥,木业,石业,橡胶,石油,化工,发电,环保,水处理,制冷,交通,钢铁,食品,饮料,船舶,制冷等行业
Applicable to cementwood,stone,rubber,petroleumchemical, power generation,
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