MAX11156ETC+T

Number of A/D Converters:	1
Base Part Number:	MAX11156
Supplier Device Package:	12-TDFN (3x3)
Package / Case:	12-WFDFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	±5V
Reference Type:	External, Internal
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	SPI, DSP
Input Type:	Pseudo-Differential
Number of Inputs:	1
Sampling Rate (Per Second):	500k
Number of Bits:	18
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to MAX11156ETC+T

The MAX11156ETC+T is a Data Acquisition - Analog to Digital Converter (ADC) that provides high-speed conversion of analog voltage signals in multi-channel applications. The device has been specifically designed to meet the demands of a wide range of industries and applications where accuracy, speed, and precision of data acquisition are essential. This particular ADC provides an extremely fast 16-bit conversion rate and is fabricated with low power CMOS technology.

Maximization of Performance

The MAX11156ETC+T has been optimized to maximize the performance in terms of speed, accuracy, and power consumption, which are important factors when selecting an ADC for a specific application. The narrow common mode range provides a high input-range resolution and repeatability for more accurate conversion results. The ADC provides a maximum sampling rate of up to 10 MSPS, which provides very fast analog-to-digital conversion. The low power supply operation (3.3 V) makes the MAX11156ETC+T particularly useful for a number of portable and battery-powered applications.

Applications of MAX11156ETC+T

The MAX11156ETC+T has numerous applications in many industries. It can be used for real-time analysis of voltage signals in medical devices, such as portable ECG monitors and diagnostic systems. It can also be used in industrial applications such as testing and measurement systems, as well as many automotive applications. Additionally, the device can be utilized in consumer electronics, such as mobile phones, digital cameras, tablet PCs and other handheld devices.

Principle of Operation of MAX11156ETC+T

The MAX11156ETC+T unlike most ADCs, uses separate architecture and clocking logic to provide simultaneous conversion of multiple voltage analog signals to digital data. The ADC can receive up to 8 different input channels that can be configured as single-ended or differential inputs. The ADC is comprised of an integration capacitor and an input amplifier for each input channel, which together act as a sample-and-hold circuit. The device is capable of sampling external signals at an input rate of up to 10 MSPS.The sampled signals are then amplified, filtered and amplified again with the help of a switched-capacitor filter, which reduces the noise and provides higher conversion resolution. Finally, the data are converted to digital form using successive approximation architecture, where a comparator and a digital-to-analog converter are used to determine the most appropriate digital output value. The digital data is then formatted to 12-bits, or 16-bits and passed to the data bus.

Advantages of MAX11156ETC+T

The MAX11156ETC+T provides several key advantages over other ADCs. In addition to its low power consumption, the device includes internal 2-tap voltage reference and amplifier pre-scaling circuitry, which eliminates the need for external analog pre-amplifier and reference components. Furthermore, the use of a separate clock and architecture logic makes it easier to integrate the ADC into systems. The accuracy and reliability of the MAX11156ETC+T is also excellent, with both +/- 10 LSB and +/- 25 LSB maximum error over temperature. Even though it is designed for low-power applications, the device is still able to output very high conversion rates. This makes it suitable for a range of applications, from medical, industrial and automotive to consumer electronics.

Conclusion

The MAX11156ETC+T is a high-performance ADC that is optimized to meet the demands of many different applications requiring high speed data acquisition and precision. With its internal 2-tap voltage reference, amplifier pre-scaling circuitry, low-power operation and high speed conversion rate, the device can be used for a variety of applications, from medical to consumer electronics.Furthermore, the excellent accuracy and reliability of the MAX11156ETC+T makes it suitable for many demanding applications, including those requiring very fast and accurate data acquisition. Overall, the MAX11156ETC+T is an excellent choice for any application requiring a high performance analog-to-digital converter.

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