What is a data acquisition/data conversion IC?
What is a data acquisition/data conversion IC?
Data acquisition/data conversion ICs are a class of electronic integrated circuits used to collect and convert data. They play a key role in modern electronic systems, especially in the process of converting analog signals into digital signals.
The following is a detailed introduction to the data acquisition/data conversion IC:
Data acquisition and conversion principles
Data acquisition and conversion systems are used to acquire analog signals from one or more sources
and converts these signals into digital form for analysis or transmission by digital end equipment
Computer, tape recorder or communications network. Analog signal input for data acquisition system
Most commonly generated by sensors and transducers that convert real-world parameters, e.g.
Pressure, temperature, stress or strain, flow, etc. are converted into equivalent electrical signals. Electrical aspects
The equivalent signal is then converted by the data acquisition system and used by the terminal
Devices in digital form. The ability of an electronic system to maintain signal accuracy and integrity is
The main indicator of system quality.
The basic components required to acquire analog signals and convert them into equivalent digital signals
The form is as follows:
• Analog multiplexers and signal conditioning
• Sample/hold amplifier
• Analog-to-digital converter
• Temporal or sequential logic
Typically, today's data acquisition systems contain all the components needed for data acquisition and analysis.
conversion, perhaps in addition to input filtering and signal conditioning before analog multiplexing. this
The analog signal is time-division multiplexed through an analog multiplier; the output signal of the multiplexer is usually
Applications include very linear fast settling differential amplifiers and/or fast settling low aperture sample/hold.
Sample/Hold is programmed to acquire and hold each multiplexed data sample, which is converted to
Digital form via A/D converter. The converted samples are then presented to the output of the A/D
Converters to parallel and serial digital forms for further processing by end equipment
Function
Data acquisition: Capture real-world analog signals such as temperature, pressure, sound, etc.
Data conversion: Convert the collected analog signals into digital signals for processing by digital equipment.
Signal processing: During the conversion process, filtering, amplification and other processing may be included to improve signal quality.
Main types
Analog-to-digital converter (ADC): Converts analog signals into digital signals.
Digital-to-analog converter (DAC): Converts digital signals to analog signals.
Data Acquisition System (DAS): A comprehensive system that usually includes ADC, DAC, and signal conditioning functions.
Well-known manufacturer of data acquisition/data conversion IC
Texas Instruments: Offers a variety of ADC and DAC products suitable for a variety of applications.
Product model such as: 6PADC3101TRGERQ1 ，6PA3100IRHBRQ1 ，TSC2301IZQZ , TSC2302IRGZR , AMC1304L05DW ,
Analog Devices: Known for its high-precision and high-performance data conversion products.
Product model such as: AD1851RZ ，AD1833AASTZ，AD1851RZ-REEL7 ，AD1852JRSZ ...
Maxim Integrated: Provides a variety of data conversion solutions, including high-speed ADCs and DACs.
Product model such as: 806-0724-21+ , ICL7106RCPL-3 , ICL7107CMH+TD , ICL7117CMH+D , ICL7117CPL+ ..
Linear Technology (now part of Analog Devices): Known for high-performance data conversion solutions. Product model such as: 5962-9152101M3A ，5962-9152101MXA ，
Microchip Technology : Offers a wide range of data conversion products, including ADCs and DACs. Product model such as: 11AA020-I/SN , ZL40251LDF1 , ZL40203LDG1 , ZL38002QDG1...
STMicroelectronics: Produces a variety of data conversion ICs suitable for a variety of applications. Product model such as: VPS2535HTR , VNQ830M13TR , VNH5200ASTR-E .....
These companies are global leaders in data acquisition and conversion technology, and their products are widely used in industrial, medical, communications and consumer electronics.
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