PCA9554DB,112

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Number of I/O:	8
Interface:	I²C, SMBus
Interrupt Output:	Yes
Features:	POR
Output Type:	Push-Pull
Current - Output Source/Sink:	10mA, 25mA
Clock Frequency:	400kHz
Voltage - Supply:	2.3 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	16-SSOP
Base Part Number:	PCA9554

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Introduction

PCA9554DB,112 is a versatile IO expander designed with a wide range of applications in mind. It is an 8-bit digital I/O and an 8-bit analog/digital converter with a wide input/output voltage range and 14 programmable bits. It is designed to be easy to use and integrate with various digital and analog systems. The PCA9554DB,112 is ideal for applications requiring large amounts of digital I/O, analog/digital conversions, and port expansion without adding new cable or circuitry.

Application Fields and Working Principle

The PCA9554DB,112 is suitable for a wide range of applications including automotive, industrial, medical and consumer electronics. It can be used in embedded systems, test & measurement equipment, robotics, and other control applications. The PCA9554DB,112 is a digitally controlled IO expander with an 8-bit input/output and an 8-bit analog/digital converter. It has 14 programmable bits, an input voltage range of 0-60V, and an output current capability of up to 500mA. The IC is compatible with both 3V and 5V logic systems and is powered by 3.3V and 5V supplies. The 8 digital inputs are programmable for input logic levels, and the 8 digital outputs are configurable as open-drain or open-drain/push pull outputs. There is also a programmable interrupt to indicate changes of logic level on digital inputs.The 8-bit analog/digital converter is designed for applications requiring accuracy and linearity for the full-span measurement. It has non-linearity corrections and 13 programmable bits for gain and reference settings. The converter has a programmable conversion rate up to 20kHz with 24-bit resolution and includes EEPROM data storage capabilities.The PCA9554DB,112 provides a wide range of features, making it ideal for applications requiring multiple I/O, port expansion, and analog/digital conversion. It is a reliable solution that is easy to use and integrate with existing systems.

Conclusion

The PCA9554DB,112 is a versatile IO expander designed to meet the needs of a wide range of applications. Its 8-bit digital I/O and 8-bit analog/digital converter make it a useful solution for environments requiring port expansion, digital/analog conversions, and high levels of accuracy and linearity. The 14 programmable bits, input voltage range of 0-60V, output current capability of up to 500mA, 3.3V/5V logic compatibility, programmable interrupt, and EEPROM data storage capabilities make it a highly flexible and reliable interface for a variety of applications.

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