WMSIC Electronic Components

ADI/LINEAR AD7790BRMZ-REEL AD7790BRMZ

ModelAD7790BRMZ-REEL
PackageMSOP-10
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 AD7790BRMZ-REEL
Type
ADI/LINEAR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
AD7790BRMZ-REEL
Electronic Component
1
Package
MSOP-10
Electronic Component
ADC IC
Electronic Component
0.14g
ADC
Sigma-Delta
Electronic Component
1
Channel Count
1
Sampling
9.5Hz
Features
Integrated; Buffer;; Built-in Filter
Variable Gain
Electronic Component
Electronic Component
BM0265088248
Operating Temperature
40℃~+105℃
Operating Voltage
2.5V~5.25V

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

AD7790BRMZ-REEL 16位Sigma-Delta模数转换器产品概述

一、核心参数清晰呈现

AD7790BRMZ-REEL作为ADI(亚德诺)旗下高精度低功耗ADC,核心参数精准适配低功耗、高分辨率、工业级环境三大核心需求:

  • 分辨率:16位(无失码设计,确保信号采集无精度损失);
  • 速率选项:支持9.5Hz、120Hz等多数据速率(可根据应用灵活切换,平衡精度与响应速度);
  • 输入通道:1路差分输入(天然适配传感器差分输出,抑制共模噪声);
  • 工作电压:2.5V~5.25V(兼容单节锂电池、3.3V/5V系统,无需升压电路);
  • 功耗:典型静态电流1uA(电池供电系统续航的关键优势);
  • 温度范围:-40℃~+105℃(工业级宽温,满足高低温严苛环境);
  • 基准与增益:外置基准(可按需搭配高精度基准)+ 可编程增益(1~128倍);
  • 接口与封装:SPI串行接口(4线通信,节省引脚)+ MSOP-10超小型封装(3mm×3mm,适配紧凑型设计)。

二、Sigma-Delta架构与关键特性

AD7790采用Sigma-Delta模数转换架构,这一设计赋予其差异化优势:

  1. 抗噪声与高分辨率:通过过采样+数字滤波,有效抑制高频电磁干扰,即使在电机控制、工业现场等噪声环境中,仍能保持16位采集精度;
  2. 内置振荡器简化设计:无需外部时钟元件,减少BOM成本与电路复杂度,进一步降低系统功耗;
  3. 差分输入适配传感器:针对压力、温度传感器的差分输出特性,差分输入可抵消90%以上共模干扰,提升信号信噪比;
  4. 低功耗极致优化:静态电流仅1uA(典型值),连续采样模式下功耗也不足10uA,完美适配血糖仪、智能穿戴等电池供电设备;
  5. 可编程增益放大(PGA):内置PGA无需外部运放,即可放大mV级别的微弱传感器信号(如热电偶、应变片输出),增益范围1~128倍可灵活配置。

三、典型应用场景

AD7790BRMZ-REEL的参数特性使其在多领域具备独特竞争力:

  1. 工业传感器接口:适配压力变送器、铂电阻/热电偶温度传感器,宽温范围满足户外/车间高低温环境,差分输入+PGA可精准采集微弱信号;
  2. 便携式医疗设备:血糖仪、血氧仪、便携式血压计等,低功耗延长电池续航(单次充电可工作数月),16位分辨率确保医疗数据精准;
  3. 低功耗物联网节点:智能环境监测(温湿度、气压)、工业物联网传感器,2.5V~5.25V电压兼容锂电池,SPI接口简化与MCU通信;
  4. 小型化消费电子:智能手表(生物传感器采集)、便携数据记录仪,MSOP-10封装适配紧凑PCB布局。

四、封装与接口优势

  • MSOP-10封装:尺寸仅3mm×3mm,比传统DIP封装缩小70%,适合手持设备、嵌入式模块等小型化设计;
  • SPI串行接口:仅需SCK(时钟)、DIN(输入)、DOUT(输出)、CS(片选)4根线,相比并行接口节省80%引脚资源,通信速率最高支持10MHz,满足高速数据传输需求。

五、性能优势总结

AD7790BRMZ-REEL在同级别16位Sigma-Delta ADC中,核心优势集中在:

  • 低功耗+宽电压:1uA静态电流+2.5~5.25V兼容,适配几乎所有电池供电系统;
  • 抗干扰+高分辨率:差分输入+Sigma-Delta架构,精准采集噪声环境下的微弱信号;
  • 设计简化:内置振荡器+PGA,减少外部元件(省掉时钟晶振、运放),降低BOM成本;
  • 工业级可靠性:-40~105℃宽温,满足汽车电子、工业自动化等严苛场景。

该产品凭借“高精度、低功耗、易设计”三大核心特性,成为传感器信号采集、便携式设备、工业物联网等领域的优选ADC方案。

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