MAX1168BEEG+

Number of A/D Converters:	1
Base Part Number:	MAX1168
Supplier Device Package:	24-QSOP
Package / Case:	24-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	2.7 V ~ 5.25 V
Voltage - Supply, Analog:	5V
Reference Type:	External, Internal
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	MUX-S/H-ADC
Data Interface:	SPI
Input Type:	Single Ended
Number of Inputs:	8
Sampling Rate (Per Second):	200k
Number of Bits:	16
Part Status:	Active
Packaging:	Tube

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Introduction

The MAX1168BEEG+ is an analog-to-digital converter (ADC) integrated circuit that offers high resolution and excellent speed performance. It is the latest addition to the MAX11xx family of versatile, high-performance 8-bit sigma-delta ADCs. This device features many features that make it ideal for a variety of applications in data acquisition, industrial, automation and instrumentation. This article will discuss the application field and working principle of the MAX1168BEEG+ ADC.

Application Field

The MAX1168BEEG+ is designed for applications that require high resolution, excellent speed performance and superior noise rejection. This device can be used for acquisition of signals from various sensors such as pressure, temperature, humidity, acceleration and strain. It is commonly used in medical and industrial automation applications in order to accurately measure different physical and chemical parameters. The MAX1168BEEG+ is also used in motor control applications. It is capable of precisely monitoring and controlling motor velocity, torque and position. The excellent noise rejection and high precision of the MAX1168BEEG+ make it a great choice for precision motor control. The MAX1168A and MAX1168BEEG+ also feature an integrated low-side sensor that can measure current. This makes the device suitable for measuring the current of motors or other loads in automotive applications, industrial automation and production.

Working Principle

The MAX1168BEEG+ ADC is a sigma-delta topology ADC. It uses a combination of oversampling and noise-shaping techniques to achieve high resolution data conversion with good noise rejection. The ADC is designed to run with a typical operating frequency of 1.2MHz.The MAX1168BEEG+ uses a modulator for analog-to-digital conversion. The modulator uses an integrator and a comparator to convert the analogue signal into a digital signal. During the conversion process, the signal is oversampled to create a significantly higher resolution at the output. This oversampling also allows for a much higher signal-to-noise ratio. The noise-shaping techniques used by the MAX1168BEEG+ further reduce the noise content in the signal, resulting in higher precision and better resolution. The MAX1168BEEG+ also features an internal voltage reference, which helps ensure very stable readings. The integrated low-side current sensor allows for accurate current sensing without the need for external components. The device also features programmable gain and offset capabilities, which allow for easy signal conditioning.

Conclusion

The MAX1168BEEG+ is a versatile, high-performance 8-bit sigma-delta ADC that offers high resolution and excellent speed performance. Its application field includes data acquisition, industrial and automation instrumentation, motor control and automotive applications. Its working principle is based on the combination of oversampling, noise-shaping and an integrated voltage reference. Together, these features make the MAX1168BEEG+ suitable for a variety of applications requiring accurate conversion of analogue signals into digital signals.

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