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MM5483N

MM5483N

Product Overview

Category

MM5483N belongs to the category of integrated circuits (ICs).

Use

The MM5483N IC is primarily used for driving 7-segment LED displays.

Characteristics

  • Package: DIP (Dual In-line Package)
  • Essence: Integrated circuit for display driving
  • Packaging/Quantity: Typically sold in packs of 10 or more

Specifications

The MM5483N has the following specifications:

  • Supply Voltage: 5V
  • Maximum Clock Frequency: 2 MHz
  • Maximum Display Current: 25 mA
  • Maximum Segment Current: 20 mA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MM5483N has a total of 18 pins, which are configured as follows:

  1. VCC - Power supply voltage input
  2. GND - Ground reference
  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. DP - Decimal point output
  15. DIG 1 - Digit 1 output
  16. DIG 2 - Digit 2 output
  17. DIG 3 - Digit 3 output
  18. DIG 4 - Digit 4 output

Functional Features

The MM5483N offers the following functional features:

  • BCD-to-7-segment decoder and driver
  • Directly drives common cathode type 7-segment LED displays
  • Internal multiplexing capability for driving up to 4 digits
  • Built-in blanking input for display control

Advantages and Disadvantages

Advantages of the MM5483N include:

  • Easy integration with 7-segment LED displays
  • Simplified circuit design for driving multiple digits
  • Low power consumption

Disadvantages of the MM5483N include:

  • Limited to driving common cathode type displays
  • Requires an external clock signal for operation

Working Principles

The MM5483N operates by decoding BCD (Binary Coded Decimal) inputs and driving the corresponding segments of a 7-segment LED display. It utilizes internal multiplexing to sequentially drive up to 4 digits. The clock input synchronizes the decoding process, while the strobe input controls the display output.

Detailed Application Field Plans

The MM5483N is commonly used in various applications that require numeric or alphanumeric displays. Some of the typical application fields include:

  1. Digital clocks
  2. Counters and timers
  3. Instrumentation panels
  4. Industrial control systems
  5. Consumer electronics

Alternative Models

Here are some alternative models that can be considered as alternatives to the MM5483N:

  1. MAX7219 - Serially interfaced, 8-digit LED display driver
  2. CD4511 - BCD-to-7-segment latch/decoder/driver IC
  3. TM1637 - Integrated controller for 7-segment LED displays
  4. HT16K33 - I2C-controlled LED matrix driver with keyscan

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

In conclusion, the MM5483N is an integrated circuit designed for driving 7-segment LED displays. It offers various features and specifications suitable for a wide range of applications.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MM5483N i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MM5483N in technical solutions:

  1. Q: What is MM5483N? A: MM5483N is a specialized integrated circuit (IC) commonly used for driving 7-segment LED displays.

  2. Q: How does MM5483N work? A: MM5483N works by converting binary-coded decimal (BCD) inputs into the appropriate signals to drive a 7-segment display.

  3. Q: What is the maximum number of digits that can be driven by MM5483N? A: MM5483N can drive up to 8 digits, making it suitable for applications requiring multiple 7-segment displays.

  4. Q: Can MM5483N drive other types of displays besides 7-segment displays? A: No, MM5483N is specifically designed for driving 7-segment displays and may not be suitable for other display types.

  5. Q: What is the maximum current rating of MM5483N's outputs? A: The maximum current rating per segment output of MM5483N is typically around 25 mA.

  6. Q: Can MM5483N directly interface with microcontrollers or other digital devices? A: Yes, MM5483N can be easily interfaced with microcontrollers or other digital devices through its BCD input pins.

  7. Q: Does MM5483N require external components for operation? A: Yes, MM5483N requires external resistors and capacitors for proper operation. The datasheet provides recommended values.

  8. Q: Can MM5483N handle multiplexing of multiple displays? A: Yes, MM5483N supports multiplexing, allowing multiple displays to be driven using a shared set of segment outputs.

  9. Q: What is the supply voltage range for MM5483N? A: The typical supply voltage range for MM5483N is between 4.75V and 5.25V.

  10. Q: Are there any specific precautions to consider when using MM5483N? A: It is important to ensure that the maximum ratings for voltage, current, and temperature are not exceeded to prevent damage to the IC. Additionally, proper decoupling and grounding techniques should be followed for reliable operation.

Please note that these answers are general and may vary depending on the specific application and datasheet of MM5483N.