MAX11904ETP+T

Ratio - S/H:ADC:	1:1
Supplier Device Package:	20-TQFN (4x4)
Package / Case:	20-WFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	1.7 V ~ 1.9 V
Voltage - Supply, Analog:	1.7 V ~ 1.9 V
Reference Type:	External, Internal
Architecture:	SAR
Number of A/D Converters:	1
Series:	--
Configuration:	S/H-ADC
Data Interface:	SPI, DSP
Input Type:	Differential
Number of Inputs:	1
Sampling Rate (Per Second):	1M
Number of Bits:	20
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionThe MAX11904ETP+T is a highly integrated analog to digital converter bringing a number of advantages over more traditional approaches. This data acquisition ADC is capable of providing a wide range of applications and is specifically designed to provide improved performance over existing 12-bit and 14-bit converters. Its 16-bit resolution, fast conversion time, low noise, and low power consumption also make it ideal for sensor-based applications in a variety of environments and applications.Application FieldThe MAX11904ETP+T is designed to provide flexibility and versatility, making it suitable for a variety of application fields. It is designed to offer low power consumption, making it ideal for battery-based applications such as remote sensors, data loggers, and portable instruments. Its high speed and accuracy make it well suited for precision data acquisition in industrial process control systems and medical instrumentation. Additionally, it is capable of providing a good degree of accuracy and resolution for signal conditioning, waveform generation, and testing and automation applications.Working PrincipleThe MAX11904ETP+T is a sigma-delta ADC that works by integrating a sequence of incoming signal samples over a specific period of time. The sum of these samples, known as the signal Integrated Digital Error (IDE), is then compared against a fixed reference value to determine the signal amplitude. This comparison is known as a chopping process, and is repeated for each signal sample. The output of this comparison is then encoded into a digital signal that is sent to the processor.The MAX11904ETP+T is powered by a 3.3V power supply, allowing it to operate at low temperatures, and its low power consumption also allows it to be used in low power scenarios. Its internal digital filter combines a high-order sigma-delta modulator with digital filters and compensators, providing superior performance and high-resolution data even in noisy or fluctuating environments.ConclusionThe MAX11904ETP+T is an advanced analog to digital converter designed to provide high-performance data acquisition and signal conditioning in a wide range of applications. Its 16-bit resolution, low power consumption, and noise-suppression capabilities make it well suited for low-power remote applications, industrial process control systems, and medical instrumentation. Additionally, its chopping methodology and internal digital filter provides a good level of accuracy and resolution in a variety of testing and automation scenarios.

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