AD7705BNZ - Analog Devices Inc.

Manufacturer Part Number

AD7705BNZ

Manufacturer

Analog Devices

Introduction

AD7705BNZ is a high-resolution, sigma-delta ADC for data acquisition in mixed-signal applications.

Product Features and Performance

16-bit resolution

500 samples per second

Dual-channel input with differential input type

SPI and DSP compatible data interface

Multiplexer-PGA-ADC (MUX-PGA-ADC) configuration

Sigma-Delta architecture for high noise immunity

Programmable gain amplifier (PGA) included

Supports external reference voltage

Product Advantages

High resolution for precise measurement

Dual input channels for monitoring two signals

Flexible interfacing with SPI and DSP

Integrated PGA for adjustable gain settings

Designed for low-voltage operation compatible with modern digital systems

Key Technical Parameters

16-bit resolution

500 sps sampling rate

2 differential inputs

External reference type

Analog supply voltage: 2.7V to 3.3V or 5V

Digital supply voltage: 2.7V to 3.3V or 5V

Quality and Safety Features

Robust operating temperature range from -40°C to 85°C

Reliable DIP packaging for easy handling and mounting

Compatibility

Compatible with SPI and DSP communication protocols

Through-hole mounting for easy integration with standard PCBs

Application Areas

Industrial control systems

Data acquisition systems

Instrumentation and measurement equipment

Portable battery-powered devices

Product Lifecycle

Active product status, not nearing discontinuation

Replacements or upgrades should be available if necessary

Several Key Reasons to Choose This Product

High-accuracy data conversion for quality-sensitive applications

Versatility in interfacing and signal compatibility

Integrated PGA offers customization of input gain

Low power requirements suitable for a variety of power supplies

Industrial temperature range ensures reliability in harsh environments

The through-hole package format for ease of prototyping and production