The MAX6921AWI is an integrated circuit (IC) component that is designed to drive up to 16-segment or 128-segment LED displays. It is specifically used for large dot matrix and bar graph displays. Here is an overview of the MAX6921AWI and some of its key features:
1. Overview:
- The MAX6921AWI is a versatile LED display driver, compatible with both direct segment drive and multiplex drive configurations.
- It provides a simple and cost-effective solution for driving a wide range of LED display applications.
- The IC is available in a space-saving 28-pin SOIC package.
2. Key Features:
a. 16-Segment or 128-Segment Drive Capability:
- The MAX6921AWI supports driving either 16-segment alphanumeric displays or 128-segment dot matrix or bar graph displays.
- This flexibility makes it suitable for various applications ranging from digital clocks to instrumentation panels.
b. Multiple Display Multiplexing Options:
- It offers several multiplexing options, including static, 1/2, 1/3 duty cycle, and static or multiplexed display.
c. Integrated Oscillator and Reference Voltage:
- The IC incorporates an internal oscillator that generates the required timing signals for display multiplexing.
- It also includes a precision bandgap-reference voltage generator, ensuring accurate and stable display performance.
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