AD7714YRUZ-REEL7

Number of A/D Converters:	1
Base Part Number:	AD7714
Supplier Device Package:	24-TSSOP
Package / Case:	24-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 105°C
Features:	PGA
Voltage - Supply, Digital:	2.7 V ~ 5.25 V
Voltage - Supply, Analog:	2.7 V ~ 3.3 V, 5V
Reference Type:	External
Architecture:	Sigma-Delta
Series:	--
Ratio - S/H:ADC:	--
Configuration:	MUX-PGA-ADC
Data Interface:	SPI, DSP
Input Type:	Differential, Pseudo-Differential
Number of Inputs:	3, 5
Sampling Rate (Per Second):	1k
Number of Bits:	24
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

AD7714YRUZ-REEL7 is a low-power, low-noise, single-supply, complete analog-to-digital converter. This converter is part of Analog Devices’ industry leading portfolio of high performance, high power, space-saving insulation and low power data acquisition solutions. It is designed to meet tough applications such as direct data recording, real-time medical instrumentation, and instrument control in Measurement, Automation, and Control (MAC) systems.

Application Field

AD7714YRUZ-REEL7 is one of the most commonly used analog to digital converters (adc\'s) with many applications. It is widely used in data acquisition, instrumentation, and control. Its versatile architecture and features makes it ideal for a variety of medical, industrial, automotive, and consumer applications. Medical applications such as direct electrophysiological recording, ECG monitoring, and real-time blood pressure monitoring. It is also suitable for applications like real-time bio-impedance measurement, therapeutic ultrasound, as well as automated cell counting and other various embedded medical applications.Industrial applications such as machine automation and process control systems, data logging and digital control systems, and precision temperature control and monitoring. AD7714YRUZ-REEL7 is also used in automotive electronics applications such as car ECU data acquisition, engine control systems and emissions control systems.In addition, AD7714YRUZ-REEL7 is suitable for many consumer products, such as portable tablets and notebooks, remote control systems and portable gaming devices.

Working Principle

The AD7714YRUZ-REEL7 is a complete single-supply, low-noise, low-power analog-to-digital (A/D) converter. It utilizes a successive approximation register (SAR) architecture to convert an analog voltage to a digital output. The input voltage is proportional to the difference between the voltage supplied to the VGND input and the voltage supplied to the VA input. The device uses a 12 bit SAR for conversion and it is powered by a single power supply (3.3V). It has a typical power consumption of 17.8 mW and consumes an active current of 40 µA. The output data is available in a variety of formats: Binary (unsigned and sign-magnitude), 2’s complement, offset binary and BCD. The digital output is available in a selectable range of 0-10V, 0-5V, 0-2.5V and 0-1.25V+HFS.The device contains a built-in Auto-Calibration (ACAL) circuit which calibrates the device to compensate for input drift, offset and gain errors. The maximum sampling rate for the AD7714YRUZ-REEL7 is 200kSPS and the maximum conversion rate is 800kSPS.

Conclusion

AD7714YRUZ-REEL7 is a low-power, low-noise, single-supply, complete analog-to-digital converter. It is well suited for data acquisition, instrumentation, control, medical, industrial and automotive applications. It uses a 12 bit successive approximation register (SAR) for conversion with a maximum sampling rate of 200kSPS and a maximum conversion rate of 800kSPS. It has a built-in Auto-Calibration (ACAL) circuit to compensate for input errors.

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