ADS1194CZXGR

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Data Acquisition - Analog Front End (AFE) covers a wide range of applications involving the conversion of analog signals into digital signals. Specifically, ADS1194CZXGR, an Analog Front End (AFE) by Texas Instruments, is an integrated device with an integrated 100 kΩ programmable gains amplifier (PGA) that offers high performance with low power. This AFE is suitable for many systems that require wide dynamic range sensor signal conditioning, such as medical imaging systems, soil mapping systems, seismic data acquisition systems, and metering systems.

ADS1194CZXGR Working Principle

ADS1194CZXGR is designed based on switched-capacitor technology, enabling it to achieve excellent performance in various types of sensor signal conditioning, acquisition and conversion applications. This AFE operates with a wide common mode input voltage range, ranging from -2.2V to 3.6V, enabling it to be used in a wide range of applications.

In terms of the input stage of this AFE, the integrated Programmable Gain Amplifier (PGA) can be configured to have gains of either 8, 16, 32, 64, or 100 kΩ. The PGA is designed to optimize the input signal\'s power and linearity, providing excellent signal-to-noise ratio (SNR) and maximizing the signal information. The amplifier\'s bandwidth ranges from dc to 20 kHz (Vin = 1 Vpp, G = 100 kΩ) and stepless gain selection provides very high accuracy.

The output stage of this AFE includes a delta-sigma analog to digital converter (ADC) that converts the analog input signal into digital output. The ADC can be configured with an already preset resolution of 24-bits or 16-bits, however, it can also be programmed to have different resolutions to meet specific requirements. This ADC has an effective number of bits (ENOB) of 21.2-bit (16-bit)/24-bit (24-bit). Furthermore, this ADC also offers excellent low power operation. The ADS1194CZXGR with a 24-bit resolution offers a typical power dissipation of only 2.3 mW.

ADS1194CZXGR Application Field

The wide dynamic range, high accuracy, and low power dissipation of the ADS1194CZXGR, makes it suitable for a wide range of applications involving signal conditioning and acquisition. This AFE can be used for many medical imaging systems such as X-ray systems, ultrasound systems, and MRI systems. This AFE can also be used for soil mapping applications, such as soil quality analysis and soil fertility analysis, as well as seismic data acquisition applications, such as earthquake monitoring and structural vibrations. Furthermore, this AFE is also suitable for many metering systems, such as gas, water, and electricity, as well as security and automation systems.

In summary, the ADS1194CZXGR is an Analog Front End (AFE) by Texas Instruments that offers superior performance with low power consumption. This AFE comes with an integrated 100 kΩ programmable gain amplifier (PGA) and a delta-sigma analog-to-digital converter (ADC) that can be configured with a 16-bit or 24-bit resolution. The ADS1194CZXGR can be used in many applications such as medical imaging systems, soil mapping systems, seismic data acquisition systems, and metering systems.

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