The MM5483N, a versatile LED display driver from Texas Instruments, is designed to interface directly with a microprocessor and LED displays. This integrated circuit is widely recognized for its efficiency in driving a matrix of LEDs, making it an ideal choice for applications requiring alphanumeric displays.
Key Features
- Serial Data Input: The MM5483N accepts serial data input, allowing for a reduction in the number of pins required for interfacing, which simplifies the overall design and PCB layout.
- 35 Output Lines: It boasts 35 open-collector output drivers, capable of sinking current from LEDs arranged in a matrix configuration, providing ample capability for large display applications.
- Wide Operating Voltage: The device operates over a wide range of voltages from 4.5V to 11V, offering flexibility in various power supply designs.
- High Voltage Output: Output drivers can handle up to 30V, making it suitable for driving LEDs in high voltage scenarios, ensuring bright and consistent illumination.
- Low Power Consumption: The MM5483N is designed for low power consumption, which is crucial for portable and battery-powered applications.
Applications
The MM5483N is particularly well-suited for driving LED displays in a range of applications. These include:
- Instrument panel displays
- Industrial control indicators
- Portable instruments
- Message boards
- Bar graph displays
Technical Specifications
| Parameter |
Specification |
| Supply Voltage (VCC) |
4.5V - 11V |
| Output Voltage (VO) |
Up to 30V |
| Output Current (IO) |
15 mA per output |
| Operating Temperature |
-40°C to +85°C |
| Package |
40-pin plastic DIP |
With its robust feature set and Texas Instruments' reputation for quality, the MM5483N is a reliable choice for developers seeking to create efficient and vibrant LED displays.