AD7705BN - Analog Devices Inc.

Manufacturer Part Number

AD7705BN

Manufacturer

Analog Devices

Introduction

The AD7705BN is a 16-bit Sigma-Delta Analog-to-Digital Converter designed for high precision data acquisition applications.

Product Features and Performance

16-bit resolution

500 samples per second

2-channel differential input

SPI and DSP compatible data interface

Multiplexed with Programmable Gain Amplifier and ADC

Sigma-Delta architecture

External voltage reference compatibility

Precision Data Acquisition

Product Advantages

High resolution for precise measurement

Dual input channels for multiple signal capturing

Selectable gains for improved signal quality

Low voltage operation suitable for portable devices

Key Technical Parameters

Number of Bits: 16

Sampling Rate: 500 SPS

Number of Inputs: 2

Input Type: Differential

Data Interface: SPI, DSP

Architecture: Sigma-Delta

Voltage Supply, Analog: 2.7V to 3.3V, 5V

Voltage Supply, Digital: 2.7V to 3.3V, 5V

Quality and Safety Features

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

Robust 16-DIP package

Compatibility

SPI and DSP interface for easy integration

Through-hole mounting type for standard PCB assembly

Application Areas

Industrial control systems

Precision sensor data conversion

Portable instrumentation

Medical devices

Product Lifecycle

The product is listed as Obsolete

Potential need to seek replacement or upgrade for new designs

Several Key Reasons to Choose This Product

High-precision 16-bit conversion for accurate measurements

Differential inputs reduce common-mode noise

Configurable gain settings enhance input signal scaling

Low power consumption ideal for battery-operated devices

Diverse application range due to flexible supply voltages and proper interfacing options

Resistant to harsh operating environments with its wide temperature range

Direct replacement for older systems due to through-hole mounting compatibility