AD1674JN

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Number of Bits:	12
Sampling Rate (Per Second):	100k
Number of Inputs:	1
Input Type:	Single Ended
Data Interface:	Parallel
Configuration:	S/H-ADC
Ratio - S/H:ADC:	1:1
Number of A/D Converters:	1
Architecture:	SAR
Reference Type:	External, Internal
Voltage - Supply, Analog:	±11.4 V ~ 16.5 V
Voltage - Supply, Digital:	5V
Features:	--
Operating Temperature:	0°C ~ 70°C
Package / Case:	28-DIP (0.600", 15.24mm)
Supplier Device Package:	28-PDIP
Base Part Number:	AD1674

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AD1674JN Analog-to-Digital Converters (ADC) are a specific type of data acquisition device that converts analog signals into digital signals for use in data acquisition, control, and computer applications. They are typically used to capture, measure, and store analog signals such as temperature, pressure, and voltage, though they can be used to convert other types of analog signals as well.The AD1674JN is an advanced 14-bit, monolithic, voltage-output, oversampling analog-to-digital converter incorporating an on-chip Sample/Hold Amplifier. It is equipped with a voltage reference and amplifier, which provide high accuracy, low cost and minimal external circuitry. The data rate of the AD1674JN can range from 10 kHz to 10 MHz and the specifications have been optimized for high speed performance.The AD1674JN application field is primarily for digitizing and measuring analog signals, including signals from physical sources like temperature and pressure sensors, or from audio and video devices. The high accuracy and wide input range of the device makes it suitable for precision temperature and pressure measurements, and for medical and industrial process control. It can also be used for scientific applications such as waveform acquisition and signal processing.The working principle of the AD1674JN is as follows: An analog signal is input into the device, where it is converted into a digital signal by the Sample/Hold Amplifier. The acquired digital signal is then processed and compared to a reference voltage on the chip. This then allows the voltage to be accurately measured, and the corresponding digital count value stored in the converter.The main features of the AD1674JN include a highly linear and accurate tracking Sample/Hold Amplifier, a wide temperature range of -25 to +85°C, a low power consumption of 500mW, and the ability to directly interface to microprocessors for output data. The AD1674JN is also packed with a wide range of protection features, including input over-voltage, over-range, and under-range protection.The architecture of the device is based on a delta-sigma modulator, which is used to perform the analog-to-digital conversion. The primary components of this architecture include the Sample/Hold Amplifier, comparators, and other related electrical components.The Sample/Hold Amplifier is used to acquire a sample of the input signal and holds it until the final digital output is obtained. The comparators then compare the sample voltage against the reference voltage, and generate the digital output based on the results of the comparison.The microcontroller on the device is used to control the sampling rate and the output resolution of the device. The AD1674JN is able to offer a highly precise data resolution that is adjustable from 14 to 16 bits. This makes it an ideal choice for precise analog-to-digital conversions.In conclusion, the AD1674JN is a highly advanced, precise, and reliable analog-to-digital converter suitable for a wide range of applications. Its low power consumption, high speed, low cost, and high accuracy make it an ideal choice for data acquisition and control applications. The device is also equipped with a wide range of protection features, making it a safe and reliable choice.

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