PCA9538DW
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- Mfr.Part #
- PCA9538DW
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16SOIC
- Stock
- 9,461
- In Stock ：
- 9,461
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Feature :
- POR
- ECCN Code :
- EAR99
- Thickness :
- 2.35mm
- Height :
- 2.65mm
- Qualification Status :
- Not Qualified
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- Surface Mount :
- yes
- Weight :
- 420.395078mg
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Packaging :
- Tube
- Number of Bits :
- 8
- Terminal Position :
- Dual
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- JESD-609 Code :
- e4
- Mounting Type :
- Surface Mount
- Supply Voltage :
- 2.5V
- Number of I/O :
- 8
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature :
- -40°C~85°C
- Current - Output Source/Sink :
- 10mA 25mA
- Supply Current-Max :
- 0.175mA
- Width :
- 7.5mm
- Pin Count :
- 16
- Base Part Number :
- CA9538
- Power Supplies :
- 2.5/5V
- Interrupt Output :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- Length :
- 10.3mm
- Number of Ports :
- 1
- Output Type :
- Push-Pull
- Factory Lead Time :
- 6 Weeks
- Terminal Form :
- Gull wing
- Lead Free :
- Lead Free
- Number of Pins :
- 16
- REACH SVHC :
- No SVHC
- Voltage - Supply :
- 2.3V~5.5V
- Clock Frequency :
- 400kHz
- Pbfree Code :
- yes
- Terminal Pitch :
- 1.27mm
- Interface :
- I2C, SMBus
- Number of Terminations :
- 16
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Datasheets
- PCA9538DW
I/O Expanders Texas Instruments PCA9538DW Overview
The Texas Instruments PCA9538DW is a robust I/O expander that enhances the functionality of microcontroller systems using the I2C interface. This device allows for the significant expansion of I/O capabilities, facilitating the control of multiple inputs and outputs without needing additional pins on the microcontroller. Its compact 16-SOIC package ensures minimal footprint, making it ideal for space-constrained applications. The PCA9538DW is designed to support complex control systems and simplify the management of digital signals within a circuit, making it an essential tool for designers looking to optimize system performance and reliability.
PCA9538DW Features
This I/O expander is equipped with 8 bidirectional I/O ports which can be independently configured, offering versatility in various hardware setups. It operates over a wide power supply range from 2.3V to 5.5V, providing compatibility with various logic levels and enhancing its adaptability to different system voltages. The PCA9538DW includes built-in features such as power-up logic state retention and interrupt generation, which not only help in reducing the overall power consumption but also improve the efficiency of the system by minimizing the need for continuous polling.
PCA9538DW Applications
- Smart Home Devices: Utilized in systems that require additional GPIOs to handle multiple sensors and actuators, enhancing device functionality and user interaction.
- Server Management: Enables extended control over server hardware features like power sequencing and system resets, crucial for maintaining system stability and performance.
- Industrial Automation: Used in automation control systems to manage inputs and outputs efficiently, which facilitates sophisticated monitoring and control operations within industrial environments.
- Mobile Devices: Supports additional buttons or indicators without significant power consumption, ideal for compact mobile devices needing expanded I/O capabilities.
- Consumer Electronics: Applied in consumer electronics such as gaming consoles and entertainment systems to manage user interface enhancements and connectivity extensions.
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