![PCA9557RGVR Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
PCA9557RGVR Integrated Circuits (ICs) |
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Allicdata Part #: | 296-21785-2-ND |
Manufacturer Part#: |
PCA9557RGVR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC I/O EXPANDER I2C 8B 16QFN |
More Detail: | I/O Expander 8 I²C, SMBus 400kHz 16-VQFN (4x4) |
DataSheet: | ![]() |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 2 (1 Year) |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Number of I/O: | 8 |
Interface: | I²C, SMBus |
Interrupt Output: | No |
Features: | POR |
Output Type: | Open Drain, 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-VQFN Exposed Pad |
Supplier Device Package: | 16-VQFN (4x4) |
Base Part Number: | PCA9557 |
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PCA9557RGVR are Members of Texas Instruments’ Advanced I/O Expander Family. They are highly integrated I/Os for standard PC platforms, enabling a wide range of application fields. The PCA9557RGVR is provided in a space-saving 14-pin TSSOP package. With a wide operating voltage range from 2.7V to 5.5V, it is suitable for low-voltage, low-power applications.
The PCA9557RGVR offer users a convenient, space-saving solution for adding more I/O capability to their systems. It is compatible with the latest Windows and Linux platforms and can support up to 32-data lines. It also provides embedded voltage and current sensing abilities. The on-chip amplifier of the PCA9557RGVR improves ESD protection and audiovisual performance. The integrated MUX and crossbar functions greatly enhance user’s design flexibility and reduce design time.
This IC is widely applied in industrial and consumer applications, such as digital cameras, printers, scanners and web servers. Its applications range from data acquisition to monitoring and control, providing users with precise and reliable data. With its integrated MUX and crossbar functions, it can also be used in intelligent and automated systems, such as home automation and security systems, as well as medical systems.
The PCA9557RGVR utilize the I2C bus and simple control interface, providing two-way communication between the PCA9557RGVR and a microcontroller. It is widely used in home, industrial, and automotive applications. The I2C bus is used as the communication protocol between the device and the microcontroller. It has 127 distinct user-selected addresses, allowing easy setup and configuration of multiple devices on the same bus.
The PCA9557RGVR works off of a single voltage supply, from 2.7V to 5.5V. The device has a power-on reset circuit built in to ensure that all digital outputs and functions are reset when the device is powered up. It features two I2C buses, 8-bit digital I/O ports, two analog inputs and two analog outputs, as well as a low-voltage watchdog timer.
The PCA9557RGVR can also support up to 12 analog channels via an external MUX, which enables users to perform multiple data acquisition tasks in a small form factor. The MUX is used to select the input and output pins of the ADC/DAC, which is controlled by a single I2C bus. It also supports up to four UART channels, allowing users to connect multiple peripheral devices to the same board.
PCA9557RGVR is an ideal IC for various applications in both industrial and consumer applications. Its low-voltage operation, I2C interface and MUX functions make it an ideal solution for space-saving designs. The integrated MUX and crossbar functions greatly enhance user’s design flexibility and reduce design time. Moreover, its embedded voltage and current sensing capabilities and flexible I/O ports make it a powerful I/O expander for embedded systems.
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