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The MAX40109IAWE device integrates an analog front end (AFE), 24-bit Σ-Δ ADC, calibration memory, and digital signal processor (DSP) ‌ to support precision signal processing and output of resistance bridge sensors such as pressure, strain, and force sensors ‌.

Overview

The MAX40109IAWE is a low-power, high-precision sensor interface SoC (System-on-chip) designed for industrial sensor signal conditioning. The device integrates an analog front end (AFE), 24-bit sigma-δ ADC, calibration memory, and digital signal processor (DSP) ‌. It supports precision signal processing and output of resistance bridge sensors such as pressure, strain, and force sensors ‌. Its wide voltage input range from 3V to 36V ‌ and industrial temperature characteristics from ‌-40°C to +125°C ‌ make the MAX40109IAWE suitable for sensor systems in harsh environments ‌.

Technical parameters (MAX40109IAWE)

Type: Precision Signal Conditioning

Resolution: 12 bit

Number of channels: 1 Channel

Interface type: I2C

Power supply voltage - Max: 36 V

Supply voltage - Min: 3 V

Minimum operating temperature: -40 C

Max. operating temperature: + 125 C

Installation style: SMD/SMT

Package/housing: WLP-16

Analog supply voltage: 5.05V to 5.5V

Digital power supply voltage: 3 V to 36 V

Gain error: 0.45%

Input voltage: 3 V to 36 V

Number of converters: 3 Converter

Pd-power dissipation: 1.6667W

Product type: Analog Front End-AFE

Reference voltage: 1.25V

MAX40109IAWE features:

High precision analog front end ‌ : MAX40109IAWE for strain gauge, pressure, force and temperature sensor applications.

‌ analog-to-digital converter ‌ : MAX40109IAWE supports analog voltage output and 4mA to 20mA current loops.

‌ calibration memory ‌ : MAX40109IAWE is calibrated with third-order polynomial for temperature and nonlinear compensation.

‌ digital interface ‌ : The MAX40109IAWE supports 1-Wire, I2C, and power line communications (PLC) interfaces for programmable calibration of memory, front-end programmable gain amplifier (PGA) gain, and internal current source to drive the sensor bridge.

‌ Low power design ‌ : Typical supply current is 2mA, operating voltage range is 3V to 36V, and operating temperature range is -40°C to +125°C.

‌ package ‌ : MAX40109IAWE is packaged in 16-WLP format.

Application scenario

The MAX40109IAWE is used in a wide range of sensor applications, including:

Pressure sensor ‌ : Suitable for a variety of pressure sensor applications, such as hydraulic system pressure monitoring, gearbox oil pressure monitoring, etc.

Strain gauges and force sensors ‌ : Used to measure strain and force.

Temperature sensor ‌ : Temperature can be measured by resistance bridge or external thermistor.

Wheatstone bridge ‌ : Used for measurement and application of various bridge circuits.

To get the price of MAX40109IAWE, please consult the official website (www.hkmjd.com).