Number of A/D Converters:	1
Base Part Number:	ADC0804S
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Reference Type:	External
Architecture:	--
Series:	--
Ratio - S/H:ADC:	--
Configuration:	ADC
Data Interface:	Parallel
Input Type:	Single Ended
Number of Inputs:	1
Sampling Rate (Per Second):	30M
Number of Bits:	8
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Data Acquisition - Analog to Digital Converters (ADC)

Data acquisition systems are used to manage, store, and analyze data collected from physical objects or environment. It often involves converting the analog electrical signals from these objects into digital format for further processing. Analog to Digital Converters (ADCs) are one of the key components of data acquisition systems. In this article, we will discuss a specific ADC chip model being commonly used in data acquisition systems, the ADC0804S030TS/C1,1, and its application fields and working principle.ADC0804S030TS/C1,1 is a general-purpose 8-bit analog-to-digital converter with a built-in sample-and-hold and voltage reference subcircuits. It is a single-chip device with four voltage inputs and a high input impedance amplifier with excellent linearity, high quantum uniformity and low noise. It also has a 0.1% matched resistor network that allows balanced bridging systems to be easily implemented. With its high reliability, good performance and relative cost-effectiveness, ADC0804S030TS/C1,1 is suitable for use in high accuracy, low power, and high sampling-rate data acquisition applications.ADC0804S030TS/C1,1 has two main application fields in data acquisition. The first one is in medical instrumentation. Its small size and low power consumption make it the perfect choice for battery-powered portable devices such as ECG monitors, oximeters, and sleep monitors. The 0.1% protective resistor network is also quite useful in medical instrumentation, as it can detect potentially dangerous pressure and temperature imbalances in an electrical system. In addition, its low noise level helps to minimize the effects of electrical interference on the data being recorded.The second application of ADC0804S030TS/C1,1 is in imaging systems. Its high-performance processing capabilities, together with its wide dynamic range, make it the ideal chip for use in industrial and robotic applications. Its exceptionally high resolution also makes it suitable for use in high-resolution imaging applications. Besides its applications in data acquisition, ADC0804S030TS/C1,1 also has some other common uses in digital signal processing applications such as sound encoding/decoding, image and video processing, and audio signal conditioning. The working principle of ADC0804S030TS/C1,1 is fairly straightforward and easy to understand. It converts analog input voltages into digital codes by comparing the input voltage with a reference voltage. First, an input voltage is applied to an analog-to-digital converter. An internal comparator is then used to compare the input voltage to the reference voltage. Depending on the result of the comparison, the output of the converter will be a positive or negative bit. This output is then processed and sent to the appropriate interface or output device, such as a variable frequency oscillator (VFO). The output of the VFO is then used to generate the digital code that is sent back to the analog-to-digital converter as the output signal.The accuracy of the ADC0804S030TS/C1,1 is highly dependent on the accuracy of the reference voltage, which is usually stored in an internal register. The register can be programmed with a different voltage, allowing for variations in the reference voltage to be used for different applications.In summary, the ADC0804S030TS/C1,1 is a single-chip device with four voltage inputs and a high input impedance amplifier with excellent linearity, high quantum uniformity, and low noise. It has applications in medical instrumentation, imaging systems, and digital signal processing applications. Its working principle is based on comparing an input voltage to a reference voltage to generate a digital signal output. Its accuracy depends on the accuracy of the reference voltage, which is stored in an internal register and can be programmed to different voltage values.

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