DS4520E+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

DS4520E+

Manufacturer

Analog Devices

Introduction

The DS4520E+ is an I/O expander for I2C bus interface, providing additional digital I/O options.

Product Features and Performance

9 I/O ports expandable via I2C interface

On-chip EEPROM for non-volatile storage

Power-on Reset (POR) feature for reliable operation

Output type is open drain for flexible interfacing

12mA current for output source/sink capability

Supports up to 400 kHz I2C bus clock frequency

Product Advantages

Simplifies expansion of digital I/Os without CPU upgrades

Provides non-volatile memory storage for configuration

Adaptable with a variety of peripheral devices due to open drain output

POR ensures proper operation on power-up

Low to high supply voltage range for versatile power design

Key Technical Parameters

Number of I/O: 9

Interface: I2C

Features: EEPROM, POR

Output Type: Open Drain

Current Output Source/Sink: 12mA

Clock Frequency: 400 kHz

Voltage Supply: 2.7V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Reliable operation within industrial temperature ranges

Surface Mount technology for robust mechanical attachment

Ensured performance conforming to Analog Devices' standards

Compatibility

Compatible with any microcontroller with I2C interface

Cross-compatible with various power supply levels

Application Areas

Embedded systems

Industrial automation

Consumer electronics

IoT devices

Robotics

Computing

Product Lifecycle

Active product status, not nearing discontinuation

Long-term availability for design stability

Replacements and upgrades should be available if needed

Several Key Reasons to Choose This Product

Provides additional I/O with minimal CPU changes

Integrated memory feature for device configuration

Versatility with wide voltage supply range

High reliability and safety standards from Analog Devices

Suitable for various application domains

Backed by extensive documentation and support