MAX132CWG+

Number of A/D Converters:	1
Base Part Number:	MAX132
Supplier Device Package:	24-SOIC
Package / Case:	24-SOIC (0.295", 7.50mm Width)
Operating Temperature:	0°C ~ 70°C
Features:	PGA
Voltage - Supply, Digital:	±5V
Voltage - Supply, Analog:	±5V
Reference Type:	External
Architecture:	Multi-Slope
Series:	--
Ratio - S/H:ADC:	--
Configuration:	ADC
Data Interface:	SPI
Input Type:	Pseudo-Differential
Number of Inputs:	1
Sampling Rate (Per Second):	100
Number of Bits:	18
Part Status:	Active
Packaging:	Tube

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Data Acquisition - Analog to Digital Converters (ADC): MAX132CWG+ Application Field and Working PrincipleAnalog-to-Digital Converters (ADCs) are an important component in data acquisition since they allow the digital world to interpret analog signals from the physical world. The MAX132CWG+ is a high-performance analog-to-digital converter (ADC) from Maxim Integrated specifically designed for industrial applications.The MAX132CWG+ is a 16-bit SAR (Successive Approximation Register) ADC with an input FIFO for simultaneous analog and digital signal management. The device contains a single analog input, a 16-bit SAR ADC, a digital filter, a 10-bit digital-to-analog converter (DAC), and a 16-bit serial FIFO. The device also offers up to 500kHz sampling rate with up to 0.8% linearity and a ±0.3µV resolution when multiplexed.Field ApplicationThe MAX132CWG+ is ideal for a wide range of industrial applications, such as sensor measurement, motor control, power management, and industrial automation. It can be used for temperature and pressure measurement with pipettes, for electricity and power management in a microprocessor-based system, and for motor control on production lines.The device is targeted for industrial applications with the factory process controlled and qualified. It is ideal for applications requiring high accuracy and low power. The device has low power consumption (2.7 mW at 200k samples/s) and excellent noise immunity and temperature stability.The MAX132CWG+ is well suited for data acquisition applications, including applications in process control, robot motion control, and environmental monitoring. It also has a range of applications for medical devices such as pacemakers, imaging systems, and patient monitoring systems.Working PrincipleThe MAX132CWG+ is a high-performance 16-bit low-power 16-bit successive-approximation register (SAR) ADC. The device has a single analog input, a 16-bit SAR ADC, a digital filter, a 10-bit digital to analog converter (DAC), and a 16-bit serial FIFO.The device is designed to convert analog signals into digital signals, allowing them to be stored, processed and manipulated by digital systems. The device has 2.7 mW power consumption at 200kHz sampling rate with up to 0.8% linearity and ±0.3µV resolution when multiplexed.The device contains an internal reference, an adjustable sample and hold amplifier, a successive-approximation register ADC, and a digital filter. The internal reference is used to obtain a constant voltage to generate an analog input to the device. The adjustable sample and hold amplifier is used to convert the analog input into a digital signal. The successive approximation register ADC is used to convert the digital sample into a 16-bit digital word. The digital filter is used to reduce the sample rate of the output signal.The device contains a digital FIFO (First In First Out) buffer, which is used to store the 16-bit digital words. The FIFO provides quick and easy access to data and enables power saving through integrated power management. The device can be connected to a microcontroller or a system to send the 16-bit digital words.The device is also equipped with an embedded temperature sensor for temperature compensation and calibration. The temperature sensor is used to detect the temperature of the device and adjust the sampling rate and linearity parameters to compensate for changes in temperature.ConclusionThe MAX132CWG+ is a high-performance low power 16-bit SAR ADC with input FIFO. It is designed for industrial applications and provides up to 0.8% linearity and a ±0.3µV resolution when multiplexed, as well as a temperature sensor for temperature compensation and calibration. The device can be used for applications such as sensor measurement, motor control and power management, as well as medical devices such as pacemakers and patient monitoring systems.

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