National Semiconductor ADC121S021CIMFX/NOPB
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- ADC121S021CIMFX/NOPB
- National Semiconductor
- ADC121S021 SINGLE CHANNEL, 50 TO
- Data Acquisition - Analog to Digital Converters (ADC)
- ADC121S021CIMFX/NOPB Datasheet
- SOT-23-6
- Bulk
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What is ADC121S021CIMFX/NOPB
National Semiconductor Part Number ADC121S021CIMFX/NOPB（Data Acquisition - Analog to Digital Converters (ADC)）, developed and manufactured by National Semiconductor, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.
ADC121S021CIMFX/NOPB is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately [email protected] Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.
ADC121S021CIMFX/NOPB Specifications
- Part NumberADC121S021CIMFX/NOPB
- CategoryData Acquisition - Analog to Digital Converters (ADC)
- ManufacturerNational Semiconductor
- DescriptionADC121S021 SINGLE CHANNEL, 50 TO
- PackageBulk
- Series-
- Features-
- Operating Temperature-40°C ~ 85°C
- Mounting TypeSurface Mount
- Package / CaseSOT-23-6
- Supplier Device PackageSOT-23-6
- Reference TypeSupply
- Sampling Rate (Per Second)200k
- Data InterfaceSPI, DSP
- Number of Bits12
- Voltage - Supply, Analog2.7V ~ 5.25V
- Voltage - Supply, Digital2.7V ~ 5.25V
- Number of Inputs1
- Input TypeSingle Ended
- ConfigurationS/H-ADC
- Ratio - S/H:ADC1:1
- Number of A/D Converters1
- ArchitectureSAR
Application of ADC121S021CIMFX/NOPB
ADC121S021CIMFX/NOPB Datasheet
ADC121S021CIMFX/NOPB Datasheet , Bulk,-40°C ~ 85°C,Surface Mount,SOT-23-6,SOT-23-6,Supply,200k,SPI, DSP,12,2.7V ~ 5.25V,2.7V ~ 5.25V,1,Single Ended,S/H-ADC,1:1,1,SAR
ADC121S021CIMFX/NOPB Classification
Data Acquisition - Analog to Digital Converters (ADC)
FAQ about Data Acquisition - Analog to Digital Converters (ADC)
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1. What process converts analog to digital?
There are three basic processes for analog to digital conversion:
The first process is "sampling", which is to extract the sample value of the analog signal at equal intervals to turn the continuous signal into a discrete signal.
The second process is called "quantization", which is to convert the extracted sample value into the closest digital value to represent the size of the extracted sample value.
The third process is "encoding", which is to represent the quantized value with a set of binary digits. After these three processes, the digitization of the analog signal can be completed. This method is called "pulse encoding".
After the digital signal is transmitted to the receiving end, a restoration process is required, that is, the received digital signal is converted back to an analog signal so that it can be understood by the receiver. This process is called "digital-to-analog conversion", which reproduces it as sound or image. -
2. How to convert analog to digital without ADC?
Analog to digital conversion without ADC can be achieved through PWM circuit. This method is suitable for those main control chips without built-in ADC, which needs to be solved by two GPIOs and an operational amplifier. The basic principle is to use an integral circuit to convert the PWM wave into a smooth DC voltage, and then continuously adjust the PWM duty cycle by comparing it with the voltage to be measured until the output of the comparator changes from 0 to 1, and record the current PWM duty cycle, thereby realizing the measurement of the analog voltage.
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3. 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
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