Texas Instruments
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MM5483V
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MM5483V

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Display driver
  • Characteristics: High voltage capability, low power consumption
  • Package: DIP-40 (Dual In-line Package with 40 pins)
  • Essence: MM5483V is a display driver IC designed for driving common-cathode LED displays.
  • Packaging/Quantity: Available in tape and reel packaging, with 1000 units per reel.

Specifications

  • Supply Voltage: 5V
  • Maximum Output Current: 80mA
  • Maximum Clock Frequency: 1MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MM5483V has a total of 40 pins. The pin configuration is as follows:

  1. VDD (Supply Voltage)
  2. GND (Ground)
  3. CLK (Clock Input)
  4. STB (Strobe Input)
  5. DIN (Data Input)
  6. DOUT (Data Output)
  7. SEG A (Segment A Output)
  8. SEG B (Segment B Output)
  9. SEG C (Segment C Output)
  10. SEG D (Segment D Output)
  11. SEG E (Segment E Output)
  12. SEG F (Segment F Output)
  13. SEG G (Segment G Output)
  14. SEG DP (Decimal Point Output) 15-18. DIG 1-4 (Digit Select Outputs) 19-40. NC (No Connection)

Functional Features

  • Drive capability for common-cathode LED displays
  • Internal multiplexing for driving up to 4 digits
  • Built-in oscillator for generating the clock signal
  • Serial data input for easy interfacing with microcontrollers or other devices
  • Segment outputs for controlling individual segments of the display
  • Decimal point output for displaying decimal numbers

Advantages and Disadvantages

Advantages

  • High voltage capability allows driving of common-cathode LED displays directly
  • Low power consumption for energy-efficient operation
  • Internal multiplexing reduces the number of required pins for driving multiple digits
  • Serial data input simplifies interfacing with other devices

Disadvantages

  • Limited to driving common-cathode LED displays only
  • Requires an external clock signal for operation

Working Principles

The MM5483V is designed to drive common-cathode LED displays. It utilizes internal multiplexing to control up to 4 digits. The IC receives data serially through the DIN pin and uses an internal oscillator to generate the clock signal. The segment outputs control individual segments of the display, while the digit select outputs determine which digit is active at a given time.

Detailed Application Field Plans

The MM5483V can be used in various applications that require driving common-cathode LED displays. Some potential application fields include:

  1. Digital clocks
  2. Counters and timers
  3. Scoreboards and electronic displays
  4. Instrumentation panels
  5. Industrial control systems

Detailed and Complete Alternative Models

  1. MM5450: Similar to MM5483V, but designed for driving common-anode LED displays.
  2. MAX7219: Display driver IC with built-in multiplexing and serial interface.
  3. HT16K33: Integrated controller and driver for LED matrix displays.

These alternative models offer similar functionality and can be considered as alternatives to the MM5483V depending on specific requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням MM5483V у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of MM5483V in technical solutions:

  1. Q: What is MM5483V? A: MM5483V is a specialized integrated circuit (IC) commonly used for driving multiplexed seven-segment LED displays.

  2. Q: How does MM5483V work? A: MM5483V works by converting binary-coded decimal (BCD) input data into the appropriate signals to drive the segments of a seven-segment display.

  3. Q: What is the maximum number of digits that MM5483V can drive? A: MM5483V can drive up to four digits, making it suitable for applications requiring multiple seven-segment displays.

  4. Q: Can MM5483V drive other types of displays besides seven-segment displays? A: No, MM5483V is specifically designed for driving seven-segment displays and may not be suitable for other display types without additional circuitry.

  5. Q: What is the power supply voltage range for MM5483V? A: The recommended power supply voltage range for MM5483V is typically between 4.75V and 5.25V.

  6. Q: Does MM5483V have built-in current limiting resistors for the LED segments? A: Yes, MM5483V includes internal current limiting resistors, which simplifies the design and reduces the need for external components.

  7. Q: Can MM5483V handle both common anode and common cathode displays? A: Yes, MM5483V can drive both common anode and common cathode displays, depending on the configuration of the external circuitry.

  8. Q: Is MM5483V compatible with microcontrollers or other digital devices? A: Yes, MM5483V can be easily interfaced with microcontrollers or other digital devices through standard logic-level inputs.

  9. Q: Can MM5483V handle multiplexing of the display segments? A: Yes, MM5483V is designed to support multiplexing, allowing for dynamic control of multiple digits using fewer pins.

  10. Q: Are there any application notes or reference designs available for MM5483V? A: Yes, the manufacturer of MM5483V typically provides application notes and reference designs that can help in implementing the IC in various technical solutions.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.