Datasheet > MAX40109

MAX40109

更新时间： 2024-11-05 17:01:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
59页	1679K
描述
Precision Signal Conditioning AFE for Pressure Sensor Applications

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MAX40109 数据手册

Precision Signal Conditioning AFE for

Pressure Sensor Applications

MAX40109

General Description

The MAX40109 is a low-power, precision sensor

interface SoC that includes

programmable Analog frontend (AFE), Analog-to-Digital

Converter (ADC), calibration memory, and digital signal

Benefits and Features

•

Analog Front-End to Interface with Resistive

Bridge-Based Pressure Sensors

high-precision,

•

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

processing. It also includes

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.

Digital 1-Wire, Power Line Communication (PLC)

and I C interfaces

This Sensor AFE has both analog and digital outputs.

•

Calibration Memory with Third-Order Polynomial for

Compensation from Temperature and Non-Linearity

The digital 1-Wire/I C 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 I C interface can also be

used to retrieve the digital output data and generate

alarms.

Internal

Electromagnetic

Interference

(EMI)

Rejection

•

Supply Voltage Range: 3V to 36V

Low 2mA (typ.) Supply Current

Available in TQFN package

The MAX40109 operates from 3V to 36V, is available in

the Thin quad flat no-lead (TQFN) package and is

specified over the -40°C to +125°C operating

temperature range.

Ordering Information appears at end of data sheet.

Applications

•

Pressure Sensors

Strain Gauges

Force Sensors

Temperature Sensors

Wheatstone-Bridge

19-101790; Rev 1; 3/24

12 3 4 5 6 7...59

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