NXP Semiconductors

PCA9702PW,118  

I/O Expanders

PCA9702PW,118 Description

The PCA9702PW,118 from NXP Semiconductors is a high-performance SPI serial I/O expander designed for applications requiring efficient input expansion. Housed in a compact 16-TSSOP package, this surface-mount device operates within a 2.5V to 5.5V supply range, making it versatile for both low-power and standard voltage systems. With an 8-channel input-only configuration, it supports a 5 MHz clock frequency, enabling rapid data acquisition and processing. The device is RoHS3 compliant and features an interrupt output for real-time event notification, enhancing system responsiveness. Its SPI serial interface ensures seamless integration with microcontrollers and other digital systems.

PCA9702PW,118 Features

• 8-channel input-only design for dedicated sensing or monitoring applications.
• SPI serial interface with 5 MHz clock frequency for high-speed communication.
• Wide voltage range (2.5V–5.5V), compatible with diverse logic levels.
• Interrupt output minimizes polling overhead, improving system efficiency.
• Surface-mount 16-TSSOP package saves board space in compact designs.
• RoHS3 compliant and REACH unaffected, meeting environmental regulations.
• Moisture Sensitivity Level (MSL) 1, suitable for extended storage and handling.

PCA9702PW,118 Applications

The PCA9702PW,118 excels in scenarios requiring multiple digital input channels with minimal microcontroller pins. Key applications include:

• Industrial automation: Monitoring sensor arrays or limit switches.
• Consumer electronics: Button or keypad scanning in smart devices.
• Embedded systems: Expanding input capacity in space-constrained designs.
• Automotive systems: Reading multiple digital signals in infotainment or control modules.
• IoT edge devices: Efficiently gathering data from distributed sensors.

Conclusion of PCA9702PW,118

The PCA9702PW,118 stands out as a reliable, high-speed I/O expander for input-intensive applications. Its SPI interface, interrupt capability, and wide voltage range make it a superior choice over simpler GPIO expanders. Ideal for industrial, automotive, and IoT applications, this device combines performance with ease of integration, ensuring robust system scalability. NXP's reputation for quality further solidifies its position as a go-to solution for input expansion challenges.

PCA9702PW,118 Documents

Download datasheets and manufacturer documentation for PCA9702PW,118

Datasheets :

PCA9701/02      

PCN Packaging :

All Dev Label Update 15/Dec/2020       Lighter Packing Reels 30/Mar/2014      

Scheme-It :

PCA9702PW Scheme-It®      

HTML Datasheet :

PCA9701/02      

Environmental Information :

NXP USA Inc REACH       NXP USA Inc RoHS Cert