ADC10321CIVT/NOPB

Number of A/D Converters:	1
Base Part Number:	ADC10321
Supplier Device Package:	32-TQFP (7x7)
Package / Case:	32-LQFP
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Reference Type:	External
Architecture:	Two-Step
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	Parallel
Input Type:	Single Ended
Number of Inputs:	1
Sampling Rate (Per Second):	20M
Number of Bits:	10
Part Status:	Active
Packaging:	Tray

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Data Acquisition - Analog to Digital Converters (ADC)

Analog to Digital Converters (ADC) are a type of data acquisition component used to convert analog input signals into a digital signal, making them easier to process and analyze by a computer. ADC10321CIVT/NOPB is a precision active-clamp CMOS 10-bit analog-to-digital converter with a single 3V to 5V supply. The device features very low power consumption of 35 mW, a wide signal bandwidth of 3.0 MHz, 32 clock speed, and a signal-to-noise ratio of 74 dB.

Application Field

ADC10321CIVT/NOPB is suitable for a wide range of applications, including digital measurement systems, medical equipment, motion-detection systems, imaging systems, and data acquisition systems. It is especially suitable for high-resolution audio and low-level signals, data acquisition from sensors, and low-power wireless communication systems.

Working Principle

The ADC10321CIVT/NOPB works using a successive approximation register (SAR) Architecture, which compares the analog input voltage to a reference resolution and creates a digital output based on the result of that comparison. The SAR Architecture is capable of accurately converting analog signals into 10-bit word codes and 10-bit word codes into analog voltages within a single conversion cycle. The ADC10321CIVT/NOPB uses the patented, active-clamp architecture, which offers low-level distortion, excellent linearity and low power consumption. The active-clamp technique uses a two-stage approach of a switched-capacitor ADC and a transconductance amplifier. The two-stage approach is advantageous in that it eliminates the need for additional digital-to-analog converter (DAC) units. The ADC10321CIVT/NOPB also includes an on-chip voltage reference module (VREF) to accurately regulate the analog input voltage when it is higher or lower than the 3V to 5V DC supply voltage. The on-chip voltage reference feature helps to make the ADC10321CIVT/NOPB device more accurate and stable when converting the analog input signals.

Conclusion

The ADC10321CIVT/NOPB is a precision active-clamp CMOS 10-bit analog-to-digital converter designed for a wide range of analog-to-digital conversion applications. It is suitable for high-resolution audio, low-level signals, data acquisition from sensors, and low-power wireless communication systems. The ADC 10321CIVT/NOPB includes an on-chip voltage reference module to regulate the analog input voltage and a two-stage switched-capacitor ADC and transconductance amplifier to more accurately convert the analog inputs into digital signals.

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