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特性
- Analog Front-End to Interface with Resistive Bridge-Based Pressure Sensors
- Temperature Measurement either directly from the Resistive Bridge or from an External Thermistor
- Analog Zero-Pressure Offset Compensation
- High-Precision PGA Front-End with 20 Gain Options
- Analog and Digital Outputs
- Digital 1-Wire, Power Line Communication (PLC) and I2C interfaces
- Calibration Memory with Third-Order Polynomial for Compensation from Temperature and Non-Linearity
- Internal Electromagnetic Interference (EMI) Rejection
- Supply Voltage Range: 3V to 36V
- Low 2mA (typ.) Supply Current
- Available in TQFN and WLP Packages
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The MAX40109 is a low-power, precision sensor interface SoC that includes a high-precision, programmable Analog frontend (AFE), Analog-to-Digital Converter (ADC), calibration memory, and digital signal processing. It also includes a Digital-to-Analog Converter (DAC) with an output buffer to support analog voltage output and a 4mA–20mA current loop. It is designed for sensor applications such as strain gauges, pressure, force, and temperature.
This Sensor AFE has both analog and digital outputs. The digital 1-Wire/I2C interfaces program the calibration memory, the front-end Programmable gain amplifier (PGA)'s gain, and the internal current source that drives the sensors' bridge. The digital I2C interface can also be used to retrieve the digital output data and generate alarms.
The MAX40109 operates from 3V to 36V, is available inthe thin quad flat no-lead (TQFN) package and waferlevel package (WLP). It is specified over the -40°C to+125°C operating temperature range.
Applications
- Pressure Sensors
- Strain Gauges
- Force Sensors
- Temperature Sensors
- Wheatstone-Bridge
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产品技术资料帮助
ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
参考资料
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2
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| 产品型号 | 引脚/封装图-中文版 | 文档 | CAD 符号，脚注和 3D模型 |
|---|---|---|---|
| MAX40109IATP+ |
Thin Quad Flatpack, No Leads
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| MAX40109IATP+T |
Thin Quad Flatpack, No Leads
|
|
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| MAX40109IAWE+ |
16-WLCSP-N/A
|
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| MAX40109IAWE+T |
16-WLCSP-N/A
|
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- MAX40109IATP+
- 引脚/封装图-中文版
-
Thin Quad Flatpack, No Leads
- 文档
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
-
Ultra Librarian
-
SamacSys
- MAX40109IATP+T
- 引脚/封装图-中文版
-
Thin Quad Flatpack, No Leads
- 文档
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
-
Ultra Librarian
-
SamacSys
- MAX40109IAWE+
- 引脚/封装图-中文版
-
16-WLCSP-N/A
- 文档
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
-
Ultra Librarian
-
SamacSys
- MAX40109IAWE+T
- 引脚/封装图-中文版
-
16-WLCSP-N/A
- 文档
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
-
Ultra Librarian
-
SamacSys
评估套件 1
MAX40109EVSYS
MAX40109 评估系统
产品详情
MAX40109 评估系统（EV 系统）演示了压力传感器的精密传感器调理模拟前端（AFE）。MAX40109 EV 系统包括 MAX40109 评估套件和 MAX32666FTHR 板。视窗®兼容软件提供图形用户界面（GUI）来演示 MAX40109 的特性。GUI 支持2 C、SPI 和 1-Wire® 通信。
MAX40109 评估套件 PCB 安装有 MAX40109IATP+，这是 I 2 C 和 1-Wire 变体 IC。
资料
工具及仿真模型 2
软件开发 1
IBIS 模型 1
IBIS 模型