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PCA9538D,112

PCA9538D,112

Manufacturer No:

PCA9538D,112

Manufacturer:

NXP USA Inc.

Description:

IC XPNDR 400KHZ I2C SMBUS 16SO

Datasheet:

Datasheet

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PCA9538D,112 Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SO
  • Package / Case
    16-SOIC (0.295", 7.50mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C
  • Voltage - Supply
    2.3V ~ 5.5V
  • Clock Frequency
    400 kHz
  • Current - Output Source/Sink
    10mA, 25mA
  • Output Type
    Push-Pull
  • Features
    POR
  • Interrupt Output
    Yes
  • Interface
    I²C, SMBus
  • Number of I/O
    8
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tube
  • Packaging
    Tube
  • Product Status
    Obsolete
  • Series
    -
The PCA9538D,112 is an integrated circuit chip that belongs to the PCA9538 family of devices. It is an 8-bit I2C-bus and SMBus I/O expander with an interrupt output and configurable registers. Here are some advantages and application scenarios of the PCA9538D,112 chip:Advantages: 1. I2C Interface: The chip uses the I2C-bus interface, which is a widely used communication protocol for connecting various devices in embedded systems. This allows for easy integration with microcontrollers and other I2C-compatible devices. 2. Multiple I/O Pins: The PCA9538D,112 provides 8 I/O pins that can be configured as inputs or outputs. This allows for flexible interfacing with external devices and sensors. 3. Interrupt Output: The chip has an interrupt output pin that can be used to notify the microcontroller about changes in the input states. This helps in reducing the need for continuous polling of the input pins, saving processing power. 4. Low Power Consumption: The PCA9538D,112 is designed to operate at low power, making it suitable for battery-powered applications or devices with power constraints. 5. Wide Voltage Range: The chip supports a wide voltage range of 2.3V to 5.5V, allowing it to be used with a variety of power supply configurations.Application Scenarios: 1. GPIO Expansion: The PCA9538D,112 can be used to expand the number of general-purpose input/output (GPIO) pins available on a microcontroller. This is useful when the microcontroller has limited I/O pins, but more are required to interface with external devices. 2. LED Control: The chip can be used to control multiple LEDs in applications such as display panels, signage, or lighting systems. The I2C interface allows for easy control and dimming of the LEDs. 3. Sensor Interface: The PCA9538D,112 can be used to interface with various sensors that have digital outputs. It can read the sensor outputs and provide the data to the microcontroller over the I2C bus. 4. Keypad or Button Interface: The chip can be used to interface with a keypad or a set of buttons. It can read the button states and generate interrupts to notify the microcontroller about button presses. 5. Power Management: The PCA9538D,112 can be used in power management applications to control power switches, enable/disable devices, or monitor power supply states.These are just a few examples of the advantages and application scenarios of the PCA9538D,112 chip. The versatility and flexibility of the chip make it suitable for a wide range of embedded system applications.
PCA9538D,112 Relevant information