NAU7802KGI vs ADC0831CCN/NOPB
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| Category | Data Acquisition - Analog to Digital Converters (ADC) | Data Acquisition - Analog to Digital Converters (ADC) |
| Manufacturer | Nuvoton Technology Corporation of America | Texas Instruments |
| Description | IC ADC 24BIT SIGMA-DELTA 16DIP | IC ADC 8BIT SAR 8DIP |
| Package | Cut Tape (CT) | -Reel® |
| Series | - | - |
| Features | PGA, Temperature Sensor | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 16-DIP (0.300\", 7.62mm) | 8-DIP (0.300\", 7.62mm) |
| Supplier Device Package | 16-PDIP | 8-PDIP |
| Reference Type | External, Internal | External |
| Sampling Rate (Per Second) | 80 | 31.25k |
| Data Interface | I²C | SPI |
| Number of Bits | 24 | 8 |
| Voltage - Supply, Analog | 2.7V ~ 5.5V | 4.5V ~ 6.3V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V | 4.5V ~ 6.3V |
| Number of Inputs | 2 | 1 |
| Input Type | Differential, Single Ended | Differential, Pseudo-Differential, Single Ended |
| Configuration | MUX-PGA-ADC | MUX-ADC |
| Ratio - S/H:ADC | - | - |
| Number of A/D Converters | 1 | 1 |
| Architecture | Sigma-Delta | SAR |
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1. What is ADC for data acquisition?
A data collector is an electronic device used to convert various data (such as barcodes, RFID tags, etc.) into a storable and editable format and transmit it to a computer or system in real time. Data collectors are usually operated using handheld devices (such as inventory counting machines or PDAs) and have functions such as real-time acquisition, automatic storage, instant display, instant feedback, automatic processing, and automatic transmission. They can be widely used in warehouse management, logistics transportation, retail, medical, military and other fields. The main functions of data collectors include data acquisition, real-time data processing, data storage and transmission.
ADC, or analog-to-digital converter, is an electronic device that can convert continuously changing analog signals into discrete digital signals. It is mainly used in data acquisition, signal processing, communication and other fields.
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2. What is analog data acquisition?
Analog data acquisition refers to the process of converting continuously changing signals of physical quantities into digital signals so that computers can process and record these signals. This process involves the use of an analog quantity collector, which is a hardware device that can convert analog signals of physical quantities into digital signals and then transmit them to a computer for processing and recording.
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3. Why do we need analog-to-digital converters?
The reasons why we need analog-to-digital converters mainly include the following:
Digital system processing: Many computers and electronic devices are digital systems, which are more suitable for processing digital signals. Analog signals are difficult to process in digital systems, and after analog-to-digital conversion, the signals can be represented, stored and processed in digital form.
Noise immunity: Digital signals are more noise-resistant than analog signals. Digital signals can be protected and restored by means such as error correction codes, while analog signals are easily interfered by noise.
Accuracy: Digital signals are more accurate because they can be represented with higher resolution. Analog signals have accuracy limitations, and analog-to-digital conversion can improve the resolution of the signal.
Application scenarios: Analog-to-digital converters are widely used in many fields, including automatic control systems, audio and video processing, sensor interfaces -
4. What is the difference between the input and output of an ADC?
The input of ADC (Analog-to-Digital Converter) is analog quantity and the output is digital quantity.
The main function of ADC is to convert continuous analog signal into discrete digital signal. In electronic systems, analog signal usually refers to continuously changing voltage or current, such as the signal obtained from microphone or sensor. The amplitude and frequency of these analog signals can change continuously, while digital signals are composed of a series of discrete values, usually expressed in binary form.
Input: The input of ADC receives analog signals, which can be in the form of continuously changing physical quantities such as voltage and current. The amplitude and frequency of analog signals can change continuously, such as the voltage range from 0V to 5V.
Output: The output of ADC is digital signal, which is composed of a series of discrete values, usually expressed in binary form. The advantage of digital signals is that they can be calculated and processed quic
