AD7895ANZ-3

Number of A/D Converters:	1
Base Part Number:	AD7895
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Operating Temperature:	-40°C ~ 125°C
Features:	--
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Reference Type:	External
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	SPI
Input Type:	Single Ended
Number of Inputs:	1
Sampling Rate (Per Second):	192k
Number of Bits:	12
Part Status:	Active
Packaging:	Tube

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Introduction

The AD7895ANZ-3 is a low power, microprocessor-based, 8-bit analog to digital converter (ADC). It provides an 8-bit serial synchronous interface to the microprocessor and is specifically designed for simple interfacing to 8-bit processors without the need for any external logic. The AD7895ANZ-3 system includes a high precision, integrated switchable reference that can provide conversion accuracy of 0.51% maximum INL over the full temperature range. It has built-in low-power consumption and a programmable shutdown mode. This ADC is suitable for many types of data acquisition applications.

Application Field and Working Principle

AD7895ANZ-3 has three mode of operation: synchronous serial interface, asynchronous parallel interface, and slave microcontroller interface. In synchronous serial interface mode, the AD7895ANZ-3 receives data from a source device, converts it to digital code, and transmits it to a microprocessor via a serial interface. In asynchronous parallel interface mode, the AD7895ANZ-3 receives data from a source device and presents the converted digital code in parallel form. In slave microcontroller interface mode, the AD7895ANZ-3 is directly interfaced to a microcontroller and the conversion results are displayed in various outputs. The AD7895ANZ-3 system includes an on-board reference for the internal ADC. It has selectable gain, between 1 and 8. It also has a programmable input range, so that the user can select the most suitable input range to match the particular application. The AD7895ANZ-3 can provide an 8-bit conversion accuracy of 0.51% max INL over the full temperature range. The AD7895ANZ-3 is suitable for data acquisition applications, such as battery monitoring, signal conditioning, temperature sensing, etc. It can also be used in automotive, industrial, and medical applications requiring high accuracy and low power consumption.

Benefits and Features

The primary benefit of this analog to digital converter is its low power consumption and its programmable shutdown mode. This allows the ADC to be operated for long periods of time without significantly draining the power supply. The programmable input range allows users to select the most suitable input range for their application. The AD7895ANZ-3 also features an integrated switchable reference for improved conversion accuracy. The AD7895ANZ-3 is a highly integrated system, which is designed to provide accurate and reliable performance. It has a low power consumption and offers a wide range of features. It is also specifically designed to be interfaced with 8-bit processors, so that complex circuitry can be bypassed.

Conclusion

In conclusion, the AD7895ANZ-3 is a versatile and reliable 8-bit analog to digital converter. It provides an 8-bit synchronous serial interface and features an integrated switchable reference for improved conversion accuracy. Its low power consumption and programmable input range make it suitable for use in many types of data acquisition applications. The integrated switchable reference can provide a 0.51% maximum INL over the full temperature range.

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