WMSIC Electronic Components

ADI/LINEAR AD603ARZ-REEL AD603ARZ

ModelAD603ARZ-REEL
PackageSOIC-8
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 AD603ARZ-REEL
Type
SOIC-8
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
AD603ARZ-REEL
Electronic Component
11dB~31dB
Electronic Component
1
Package
SOIC-8
Electronic Component
Programmable / Variable Gain Amplifier (PGA / VGA)
Electronic Component
0.12g
Electronic Component
1
Channel Count
1
3dB
90MHz
Features
Analog Voltage
Electronic Component
BM0258711663
Operating Temperature
40℃~+85℃
Operating Current
12.5mA
Output Current
50mA

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

AD603ARZ-REEL 产品概述

AD603ARZ-REEL 是一款高性能可变增益放大器(VGA),由 ADI / Linear 提供,采用 SOIC-8 封装并以卷带(REEL)形式供货。器件针对需要在宽带、高速和可控增益环境中实现精确增益调节的应用而设计,兼顾带宽、压摆率和低静态功耗,适合射频/中频前端、仪器仪表、传感器信号调理及自动增益控制系统(AGC)等场景。

一、产品概述

AD603ARZ-REEL 提供从 -11 dB 到 31 dB 的可调增益范围(对数或线性控制方式),在整个增益范围内保持宽带响应和良好的线性度。器件的 -3 dB 带宽约 90 MHz,压摆率(SR)高达 275 V/μs,能够处理较快的信号边沿和宽带信号。典型工作电流为 12.5 mA,静态功耗适中,适合便携或功耗受限的系统。

二、主要性能特点

  • 可变增益范围:-11 dB ~ 31 dB,适合需要大动态范围增益控制的系统。
  • 带宽(-3 dB):约 90 MHz,适用于视频、中频及宽带模拟信号放大。
  • 压摆率(SR):275 V/μs,保证高频率与大幅度信号时输出不过度失真。
  • 最大输出电流:50 mA,支持驱动中等负载或短时峰值输出需求。
  • 工作电流 / 静态电流:12.5 mA(等同于 12.5 mA 静态功耗),便于功耗预算与热设计。
  • 输入偏置电流(Ib):约 100 nA(100000 pA);输入失调电流(Ios):约 10 nA,适中输入偏置特性需在高阻抗源匹配时注意偏置误差。
  • 供电范围:支持双电源配置 VEE ~ VCC 为 ±4.75 V ~ ±6.3 V(即最大电源差 12.6 V),也可根据应用采用单电源但需遵循器件数据手册的电源与偏置要求。
  • 封装:SOIC-8(适合自动化贴装与卷带供货)。

三、关键参数速览

  • 增益范围:-11 dB ~ 31 dB
  • 带宽(-3 dB):90 MHz
  • 压摆率:275 V/μs
  • 输出电流能力:50 mA(短时峰值驱动能力)
  • 工作/静态电流:12.5 mA
  • 输入偏置电流:100 nA
  • 输入失调电流:10 nA
  • 工作温度:-40 ℃ ~ +85 ℃
  • 封装:SOIC-8,卷带供货(REEL)
  • 品牌:ADI / LINEAR

四、典型应用场景

  • 射频或中频信号链中的可变增益前端(前置放大器、混频前增益控制)
  • 视频放大与视频处理前端(需宽带与低失真)
  • 自动增益控制(AGC)环路中作为可编程前置增益单元
  • 仪器仪表与测试测量设备中对幅度的精确控制与动态补偿
  • 传感器信号调理,特别是动态范围大、需实时增益调整的场合

五、封装、热管理与布局建议

  • 封装为 SOIC-8,适合传统 PCB 布局与自动贴装。卷带供货便于批量生产。
  • 供电去耦:在 VCC / VEE(或 VDD / VSS)引脚附近放置 0.1 μF 陶瓷与 10 μF 低 ESR 电容并联,减少电源噪声与瞬态影响。
  • 接地与散热:采用连续接地平面以降低噪声和改善散热;若功耗较高,可在封装下方或近旁布设热通孔(via)至内部或底层地平面。
  • 输入/输出走线:保持输入与输出走线短且阻抗可控,必要时在输入端做 50 Ω 终端匹配以降低反射;避免在控制引脚与高频信号路径交叉,减少耦合干扰。

六、设计注意事项

  • 控制方式:增益通常通过外部控制引脚(或控制电流/电压)设定,设计时需参考器件数据手册的精确控制曲线与偏置要求,避免超过控制范围以维持线性和可重复性。
  • 源阻抗匹配:输入偏置电流与失调电流对高阻抗源影响更大,若系统输入为高阻抗源,建议增加偏置路径或采用缓冲器。
  • 供电极限:确保电源幅值与极性在器件规格范围内,避免超出最大电源宽度(12.6 V)或在不推荐的单/双电源配置下使用。
  • 热稳态与可靠性:在高环境温度或连续大信号条件下,应评估器件结温并设计合适散热措施,以保证长期可靠性。

如需进一步的电气特性曲线、增益控制曲线、典型应用电路或 PCB 布局示例,可根据具体应用提供详细要求,以便给出更具体的参考设计与建议。

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