AS1108PL

Product Overview

Category

AS1108PL belongs to the category of integrated circuits (ICs).

Use

The AS1108PL is commonly used in electronic devices for controlling and driving LED displays.

Characteristics

• Integrated circuit
• LED display controller and driver
• Low power consumption
• High reliability
• Compact package size

Package

AS1108PL is available in a small outline package (SOP) with a total of 20 pins.

Essence

The essence of AS1108PL lies in its ability to efficiently control and drive LED displays, enabling the creation of visually appealing and dynamic content.

Packaging/Quantity

AS1108PL is typically packaged in reels or tubes, with each containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Supply voltage: 2.7V - 5.5V
• Maximum output current per segment: 25mA
• Maximum output current per digit: 100mA
• Operating temperature range: -40°C to +85°C
• Communication interface: Serial Peripheral Interface (SPI)
• Display resolution: Up to 8 digits

Detailed Pin Configuration

1. VDD - Power supply voltage
2. GND - Ground
3. DIN - Data input
4. CS - Chip select
5. CLK - Clock input
6. DOUT - Data output
7. SEG1 - Segment 1 output
8. SEG2 - Segment 2 output
9. SEG3 - Segment 3 output
10. SEG4 - Segment 4 output
11. SEG5 - Segment 5 output
12. SEG6 - Segment 6 output
13. SEG7 - Segment 7 output
14. SEG8 - Segment 8 output
15. DIG1 - Digit 1 output
16. DIG2 - Digit 2 output
17. DIG3 - Digit 3 output
18. DIG4 - Digit 4 output
19. DIG5 - Digit 5 output
20. BLANK - Blank input

Functional Features

• Control and drive up to 8 digits of LED displays
• Individual segment control for each digit
• Serial communication interface for easy integration with microcontrollers
• Blank input for display blanking or dimming
• High current capability for bright and vibrant displays

Advantages and Disadvantages

Advantages

• Low power consumption, making it suitable for battery-powered devices
• High reliability ensures long-term operation
• Compact package size allows for space-efficient designs
• Easy integration with microcontrollers through the SPI interface

Disadvantages

• Limited display resolution (up to 8 digits)
• Requires external components for driving higher current LEDs

Working Principles

AS1108PL operates by receiving data through the serial interface (DIN) and clock input (CLK). The received data is then decoded and used to control the individual segments and digits of the LED display. The chip select (CS) pin is used to enable or disable the IC. The blank input (BLANK) can be used to blank or dim the display.

Detailed Application Field Plans

AS1108PL finds applications in various fields, including: - Digital clocks and timers - Scoreboards and panel meters - Industrial control systems - Consumer electronics - Automotive displays

Detailed and Complete Alternative Models

Some alternative models to AS1108PL include: - AS1107PL - MAX7219 - HT16K33 - TLC5940

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

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