AD7623ACPZRL

Number of A/D Converters:	1
Base Part Number:	AD7623
Supplier Device Package:	48-LFCSP-VQ (7x7)
Package / Case:	48-VFQFN Exposed Pad, CSP
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	2.37 V ~ 2.63 V
Voltage - Supply, Analog:	2.37 V ~ 2.63 V
Reference Type:	External, Internal
Architecture:	SAR
Series:	PulSAR®
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	SPI, Parallel, DSP
Input Type:	Differential
Number of Inputs:	1
Sampling Rate (Per Second):	1.33M
Number of Bits:	16
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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AD7623ACPZRL Application Field and Working Principle

Data acquisition systems are essential components of electronics in today’s world. Specifically, analog to digital converters (ADC) perform the task of retrieving bits of information from an analog signal, based on which a digital signal is generated. The AD7623ACPZRL is designed for this purpose, and can be found in various digital systems for data acquisition. This article will discuss its application field, as well as its working principle.

Application Field

The AD7623ACPZRL is a specialized ADC designed for data acquisition applications, and has been used in various applications such as test and measurement, automotive signaling, industrial control systems, power supplies, motor control, and many more. The device offers two analog input ranges, single-supply operation, and a rail-to-rail output stage. It also has a high-speed conversion time of 1 µs/sample and can provide up to 12-bit resolution on a single-supply design. The device includes an on-chip voltage reference, amplifier and comparator, as well as a charge pump circuit, which enables the device to operate from just one supply. This makes the ADC suitable for complicated and noisy environments. Additionally, the AD7623ACPZRL is low power, small in size, and offers low input capacitance, making it ideal for data acquisition applications.

Working Principle

The main working principle of the AD7623ACPZRL is its ability to accurately convert analog signals into precise digital information which is stored as bits of information in a digital format. This is made possible through its on-chip voltage reference, amplifier, and comparator. The device\'s voltage reference provides exact reference voltage given the low drift, temperature coefficient, and low temperature hysteresis level of the selected reference. This reference voltage then determines the resolution that the ADC can offer.The amplifier within the ADC helps to amplify the analog signal to the voltage level needed for the comparator to take the signal and compare it against the reference voltage. Once the analog signal is compared against the reference voltage, the signal voltage is converted into a binary output and stored as an output value.

Conclusion

The AD7623ACPZRL is a specialized ADC designed for data acquisition. Its applications include test and measurement, automotive signaling, industrial control systems, power supplies, motor control, and more. Its main working principle is its ability to accurately convert analog signals into precise digital information which is stored as bits of information in a digital format with the help of its on-chip voltage reference, amplifier, and comparator.

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