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
- Pbfree Code :
- yes
- JESD-609 Code :
- e4
- RoHS Status :
- ROHS3 Compliant
- Number of Pins :
- 16
- Supply Current-Max :
- 0.175mA
- Supply Voltage :
- 2.5V
- Height :
- 2.65mm
- Number of Terminations :
- 16
- Weight :
- 420.395078mg
- Thickness :
- 2.35mm
- Length :
- 10.3mm
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Current - Output Source/Sink :
- 10mA 25mA
- Base Part Number :
- CA9538
- Width :
- 7.5mm
- Interrupt Output :
- yes
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Terminal Form :
- Gull wing
- Voltage - Supply :
- 2.3V~5.5V
- Surface Mount :
- yes
- REACH SVHC :
- No SVHC
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- Terminal Pitch :
- 1.27mm
- Feature :
- POR
- Number of I/O :
- 8
- Output Type :
- Push-Pull
- Power Supplies :
- 2.5/5V
- Number of Bits :
- 8
- Terminal Position :
- Dual
- Operating Temperature :
- -40°C~85°C
- Number of Ports :
- 1
- Pin Count :
- 16
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mounting Type :
- Surface Mount
- Peak Reflow Temperature (Cel) :
- 260
- Clock Frequency :
- 400kHz
- Interface :
- I2C, SMBus
- Qualification Status :
- Not Qualified
- Factory Lead Time :
- 6 Weeks
- Packaging :
- Tube
- Lead Free :
- Lead Free
- ECCN Code :
- EAR99
- 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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