Manufacturer Part Number
DS4520E+TRL
Manufacturer
Analog Devices
Introduction
The DS4520E+TRL is an interface I/O expander designed for robust, efficient communication in multiple peripheral environments, utilizing the I2C interface with EEPROM functionality integrated.
Product Features and Performance
9 expandable I/Os
I2C interface for straightforward integration
Built-in EEPROM for non-volatile storage of configuration settings
Power-On Reset (POR) feature enhancing reliability during power fluctuations
Open Drain output type for better voltage level shifting
Supports clock frequencies up to 400 kHz
Capable of output source/sink current of 12 mA
Wide operating temperature range from -40°C to 85°C
Product Advantages
Combines I/O expansion with memory feature (EEPROM), reducing component count in circuits
Highly resilient to temperature changes and power variations
Suitable for high-speed applications due to its fast clock frequency compatibility
Key Technical Parameters
Number of I/O: 9
Clock Frequency: 400 kHz
Current Output Source/Sink: 12 mA
Voltage Supply: 2.7V to 5.5V
Operating Temperature: -40°C to 85°C
Quality and Safety Features
EEPROM Integration for secure data retention
Power-On Reset guarantees reliable startup behavior
Robust surface mount package (16-TSSOP)
Compatibility
Compatible with general-purpose microcontrollers through I2C interface
Open Drain outputs compatible with various voltage levels
Application Areas
Consumer Electronics
Industrial Automation Systems
Communication Infrastructure
Data Management Systems
Product Lifecycle
Status: Active
No impending discontinuation; support and replacements are expected to be consistently available
Several Key Reasons to Choose This Product
Integrates both I/O expander function and EEPROM, minimizing the need for additional components
High reliability and resilience to environmental factors
Suitable for various applications due to versatile product features
Extensively tested and proven in industry applications
Broad temperature and voltage operating ranges suitable for challenging conditions
Maintains robust product support and availability