MAX1265ACEI+

Number of A/D Converters:	1
Base Part Number:	MAX1265
Supplier Device Package:	28-QSOP
Package / Case:	28-SSOP (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C
Features:	--
Voltage - Supply, Digital:	2.7 V ~ 3.6 V
Voltage - Supply, Analog:	2.7 V ~ 3.6 V
Reference Type:	External, Internal
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	MUX-S/H-ADC
Data Interface:	Parallel
Input Type:	Pseudo-Differential, Single Ended
Number of Inputs:	3, 6
Sampling Rate (Per Second):	265k
Number of Bits:	12
Part Status:	Active
Packaging:	Tube

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Introduction to MAX1265ACEI+ Application Field and Working Principle

The MAX1265ACEI+ is a low-power, 16/14-bit sigma-delta analog-to-digital converter (ADC) designed for a wide range of data acquisition applications. Its low-power, low-noise, and integrated oversampling techniques make it a cost-effective solution for performing high-precision measurements. This article discusses the MAX1265ACEI+ application field and its working principle.

MAX1265ACEI+ Application Field

The MAX1265ACEI+ is commonly used in data acquisition systems and industrial applications. Its low-power, high-precision design make it ideal for use in medical equipment and instrumentation, industrial process monitoring and control, environmental monitoring and control, automotive electronics, and wireless communication. The MAX1265ACEI+ is versatile enough to be used in a variety of applications such as converting dynamic signals, temperature and pressure measurements, vibration measurements, and noise cancellations. It can also be used to acquire smaller signals such as those generated by current or voltage sources.Because of its high-precision capability, the MAX1265ACEI+ is suitable for precision systems with critical requirements. It is also capable of working in harsh environmental conditions.

Working Principle of MAX1265ACEI+

The MAX1265ACEI+ is an oversampling sigma-delta ADC, also known as a multi-bit sigma-delta ADC. The ADC works by converting an analog input signal into a digital signal through an oversampling process.The oversampling process starts by taking a small sample of the input signal, then repeatedly sampling and summing the sample to create a larger sample. This larger sample is then compared against a normalization level, to determine a value for each bit. This over time creates a multi-bit digital replica of the original input signal.The MAX1265ACEI+ is a single-ended input ADC, which means that the input signal is translated directly into a digital signal without any additional components. The MAX1265ACEI+ is optimized for low-noise performance and low-power consumption. The converter utilizes a low-power 16-bit delta-sigma modulator, along with digital decimation filters, to reject out-of-band noise and reduce power consumption. Additionally, the ADC has an integrated micro-power voltage reference and clock circuit, which allows it to be used in demanding portable or battery-powered applications.

Conclusion

The MAX1265ACEI+ is a versatile and high-precision ADC designed for a wide range of data acquisition and control applications. Its low-power, low-noise design make it an ideal solution for systems requiring accuracy and noise rejection. The ADC utilizes a 16-bit sigma-delta modulator and a micro-power voltage reference and clock circuit to provide high-precision, low-power performance.

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