AD7899ARSZ-3

Number of A/D Converters:	1
Base Part Number:	AD7899
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Reference Type:	External, Internal
Architecture:	SAR
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):	400k
Number of Bits:	14
Part Status:	Active
Packaging:	Tube

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Data Acquisition - Analog to Digital Converters (ADC)

Analog to digital converters (ADC’s) are used to convert analog signals into digital representations for computer processing. The AD7899ARSZ-3 is a triple 8-bit ADC providing a high resolution and integrated power and communications for a variety of applications. The AD7899ARSZ-3 makes use of a sampling and conversion architecture with a resolution of up to 8 bits in a single package. The ADC allows for on-chip digital filtering to achieve a sample rate of up to 1MHz. The ADC features an integrated power supply and serial communications, allowing for easy integration into digital systems. The circuit design of the AD7899ARSZ-3 utilizes a charge time-based successive approximation analog to digital conversion technique. This technique is based on the capacitor charging and discharging mechanism to measure the analog input. When the charge time is complete, the microprocessor initiates the conversion process by sending a conversion request. Then the ADC compares the measured charge to the reference voltage, and the result is stored in its output register. The register can then be read by the microprocessor to receive the corresponding digital data. The AD7899ARSZ-3 is specifically designed for applications such as industrial monitoring and control systems, instrumentation systems, process controls, and motor speed controls. Its integrated design makes for a very efficient ADC with a low cost and fast response. Additionally, its low power consumption and robust design make it ideal for a wide range of environmental conditions. The AD7899ARSZ-3 is a highly integrated device, with an integrated power supply, serial communications, and high voltage tolerant digital inputs that allows it to be interfaced with a variety of devices. Additionally, the ADC is designed to meet all the requirements of the Serial Peripheral Interface Standard (SPI) and can be controlled by a host processor using simple three-line communication. In addition, the AD7899ARSZ-3 provides versatile analog input selection, allowing for multiplexed connections and a variety of input voltages. The integrated digital filter provides for high speed sampling and conversion, allowing for faster data acquisition. The on-chip calibration and trimming helps ensure high precision, low power consumption, and robust performance.The AD7899ARSZ-3 offers the capability of wide input voltage range, high-speed conversion, and precision analog-to-digital conversion for industrial, instrumentation, process control, and motor speed control applications. Its integrated design and low power requirements make it an ideal choice for these types of applications. Its accuracy, speed, and versatility make it an excellent choice for a variety of applications.

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