AD7705BR - Analog Devices Inc.

Manufacturer Part Number

AD7705BR

Manufacturer

Analog Devices

Introduction

AD7705BR is a high-resolution, low-power, 16-bit ADC from the Analog Devices Sigma-Delta data converters family, designed for precise data acquisition in instrumentation and industrial applications.

Product Features and Performance

16-bit resolution

500 samples per second

2 differential input channels

SPI and DSP compatible digital interface

Multiplexed with Programmable Gain Amplifier (PGA) and ADC

Sigma-Delta architecture

Supports external reference voltage

Analog supply voltage range: 2.7V to 5V

Digital supply voltage range: 2.7V to 5V

Programmable gain amplifier included

Operating temperature range from -40°C to 85°C

Product Advantages

High-resolution ADC for accurate measurements

Low power consumption suitable for battery-operated devices

Flexible voltage supply options for system compatibility

Built-in programmable gain for signal conditioning

Wide operating temperature range for industrial environments

Key Technical Parameters

Number of Bits: 16

Sampling Rate (Per Second): 500

Number of Inputs: 2

Input Type: Differential

Configuration: MUX-PGA-ADC

Number of A/D Converters: 1

Architecture: Sigma-Delta

Voltage - Supply, Analog: 2.7V ~ 5V

Voltage - Supply, Digital: 2.7V ~ 5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Rigorous testing ensures reliable performance in various conditions

Built according to industry safety and quality standards

Compatibility

SPI and DSP interface for easy connectivity with most microcontrollers and digital systems

16-SOIC package for standard surface mount assembly

Application Areas

Precision instrumentation

Industrial control systems

Battery-powered devices

Portable medical equipment

Data acquisition systems

Process control

Product Lifecycle

Obsolete product status

It may be near discontinuation with potential availability of replacements or upgrades

Several Key Reasons to Choose This Product

High precision 16-bit ADC for accurate data capture

Low power consumption enhancing battery life in portable devices

Built-in PGA for signal amplification and flexibility

Robust performance suitable for demanding industrial applications

Compatibility with a wide range of microcontrollers and digital interfaces

Industry-proven quality and reliability standards

Flexibility in power supply requirements allows for use in various system designs