WMSIC Electronic Components

ADI/LINEAR ADA4853-1AKSZ-R7 ADA4853

ModelADA4853-1AKSZ-R7
PackageSC-70-6
BrandADI/LINEAR
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
ADI(Analog Devices) / LINEAR ADA4853-1AKSZ-R7
Type
ADI/LINEAR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
ADA4853-1AKSZ-R7
Electronic Component
1
Package
SC-70-6
Electronic Component
Video Amplifier
Electronic Component
0.084g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0264582845
Operating Temperature
40℃~+85℃
(-3dB)
100MHz
Electronic Component
0.2%
Electronic Component
0.1deg
Amplifier
Electronic Component
(SR)
120V/us

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

ADA4853-1AKSZ-R7 产品概述

一、器件概述

ADA4853-1AKSZ-R7 是来自 Analog Devices (ADI / Linear) 的单路视频放大器,采用 SC-70-6 小封装设计,专为便携式和板级视频信号传输与处理优化。该器件在 2.65V 至 5V 单电源供电条件下工作,提供宽带宽(-3 dB 达 100 MHz)与高压摆率(120 V/µs),可满足复合视频与宽带模拟信号的驱动与缓冲需求。器件集成使能/关断功能,便于在系统电源管理与节能场景中使用。

二、关键技术参数

  • 放大器通道数:单路
  • 带宽(-3 dB):100 MHz
  • 压摆率(SR):120 V/µs
  • 差分增益:0.2%(视频失真指标)
  • 差分相位:0.1°(视频相位保真度)
  • 输入失调电压 (Vos):4.0 mV(4000 µV)
  • 输入失调电压温漂 (Vos TC):1.6 µV/°C
  • 输入偏置电流 (Ib):1.4 mA
  • 共模抑制比 (CMRR):85 dB
  • 静态电流 (Iq):1.4 mA(1400 µA)
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 单电源电压:2.65 V ~ 5 V
  • 封装:SC-70-6(小型陶瓷/塑封封装)
  • 功能特性:使能/关断(Power-down/Enable)

三、主要功能特性与优势

  • 宽带宽与高压摆率:100 MHz 带宽配合 120 V/µs 的压摆率,能够准确传输快速边沿与高频分量,适合 SD/ED 视频链路和宽带模拟信号驱动。
  • 低视频失真:差分增益 0.2% 和差分相位 0.1°,保证了视频亮度与色度的保真,利于专业视频前端与分配放大器应用。
  • 单电源低电压操作:支持 2.65 V 至 5 V 单电源,便于与移动设备和低功耗系统兼容。
  • 使能/关断功能:器件支持快速上/下电管理,关断状态可显著降低系统功耗(参考数据手册),便于电源域控制与节能设计。
  • 稳定的温漂特性:Vos 温漂低(1.6 µV/°C),在宽温区间内保持较小的直流偏移漂移,提高长期稳定性。

四、典型应用场景

  • 便携式摄像机与移动视频设备的前端放大或缓冲
  • 视频分配放大器与中继器(复合视频/模拟视频链路)
  • 模拟视频采集、驱动 ADC 的前端缓冲器
  • 视频监控与车载视频系统
  • 宽带信号放大器、驱动长线缆或低阻抗负载的应用

五、使用建议与注意事项

  • 输入偏置电流较大:器件输入偏置电流为约 1.4 mA,属于相对较高水平。建议在直流耦合(DC-coupled)场合注意源阻抗匹配;如对直流偏置敏感,可采用交流耦合(输入耦合电容)或在输入端加上合适的偏置网络以消除误差。
  • 负载与稳定性:在驱动较大电容性负载(长电缆、ADC 输入电容)时,推荐在输出加小的串联阻抗(例如几十欧姆)或做阻尼,以防振铃与稳定性问题。
  • 电源去耦:在靠近器件的电源引脚处放置 0.1 µF 陶瓷旁路电容并配合 1 µF~10 µF 的大体积电容,确保高频与低频去耦,避免带宽受电源噪声影响。
  • 布局建议:采用完整的地平面、最短的输入/输出走线以及紧凑的去耦网络,能最大限度保持视频保真度与带宽性能。输入与输出走线应避免靠近高速数字信号以减小串扰。
  • 热与封装:SC-70-6 为小型封装,散热受限,长时间在高温或大功率驱动下需考虑周围热源与 PCB 导热条件。
  • 使能脚使用:利用使能/关断脚可在不使用时降低系统功耗,但需参考数据手册关于使能逻辑电平与启动延时的细节以保证系统可靠性。

六、封装与订购信息

  • 器件型号:ADA4853-1AKSZ-R7
  • 品牌:ADI(Analog Devices / Linear)
  • 封装:SC-70-6(小型 6 引脚)
  • 建议在设计前参考官方数据手册获取完整电气规格、引脚定义、典型应用电路与布局示例,以便正确选型与优化设计。

总结:ADA4853-1AKSZ-R7 面向对带宽、压摆率与视频保真度有严格要求的单芯片视频放大与缓冲应用,在便携与板级空间受限的系统中提供了平衡的性能与封装选择。设计时需关注输入偏置电流与封装散热,结合合适的耦合与阻尼措施可获得最佳的系统表现。

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