AD7938BSUZ-REEL7

Number of A/D Converters:	1
Base Part Number:	AD7938
Supplier Device Package:	32-TQFP (7x7)
Package / Case:	32-TQFP
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	2.7 V ~ 5.25 V
Voltage - Supply, Analog:	2.7 V ~ 5.25 V
Reference Type:	External, Internal
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	MUX-S/H-ADC
Data Interface:	Parallel
Input Type:	Differential, Pseudo-Differential, Single Ended
Number of Inputs:	4, 7, 8
Sampling Rate (Per Second):	1.5M
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AD7938BSUZ-REEL7 belongs to the category of Data Acquisition - Analog to Digital Converters (ADC). As its name implies, the device\'s primary purpose is to convert an analog signal into a digital representation that can be read and processed by a computer. The device works by taking an incoming signal, sampling it at a predetermined rate, and transforming it into a digital equivalent. The device is designed to operate in the ±5 V range, which makes it ideal for measuring signals from a variety of sources, such as temperature sensors, strain gauges, and amplifiers.The AD7938BSUZ-REEL7\'s operation is based on successive approximation and pulse width modulation technology. The successive approximation algorithm (SAA) is a technique for converting analog input signals into equivalent digital output codes. The incoming signal is first sampled and then a comparison is made between the input and the internal reference voltage. After each comparison the circuit either determines that the sampled input voltage is greater or less than the reference voltage. This comparison is repeated until the required accuracy is reached. The results of the comparison are then encoded into digital output codes.The pulse width modulation method (PWM) is a type of digital control scheme used to generate a signal with a specific duty cycle. The device uses PWM to establish the conversion rate and the number of bits being used. PWM works by measuring the amount of time the signal is “on” and the amount of time the signal is “off” and then calculating the ratio of the two times. This ratio is then used to determine the magnitude and accuracy of the resulting digital signal.The AD7938BSUZ-REEL7 also has several built-in features which enable it to provide enhanced performance. For example, the device has a built-in zero-crossing detector, which is used to detect the point at which an analog signal changes from a high to a low output, thus ensuring that the sampled values applied to the analog-to-digital converter are accurate and precise. It also features a differential input amplifier, which allows the device to accurately measure signals with very low amplitudes, such as those generated by temperature sensors or strain gauges.The AD7938BSUZ-REEL7 has a wide range of applications in the field of data acquisition and sensing. It is well suited for use in medical devices, industrial controls, and automotive systems. For example, in medical applications, the device can be used to acquire precision data from pressure, temperature, and electrocardiogram sensors. In industrial control, it can be used to acquire data from motor speed or pressure sensors. The device is also ideal for automotive applications, as it can be used to measure exhaust gas temperatures and other parameters.Overall, the AD7938BSUZ-REEL7 is a high-performance analog-to-digital converter with a wide range of applications in data acquisition and sensing. It provides the accuracy and precision needed to accurately measure analog signals, and its wide range of features and built-in features make it an ideal choice for a variety of applications.

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