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The LB1403N is a monolithic integrated circuit manufactured by SANYO. It is designed for use in LED bar graph display drivers. Below are the factual specifications, descriptions, and features of the LB1403N:

Specifications:

• Manufacturer: SANYO
• Type: LED Bar Graph Display Driver
• Operating Voltage: Typically 3.5V to 16V
• Output Current: 20mA per segment (typical)
• Number of Outputs: 10 (10-segment LED driver)
• Input Sensitivity: Logarithmic response for audio level indication
• Package Type: DIP (Dual In-line Package)
• Pin Count: 16

Descriptions:

• The LB1403N is a logarithmic LED driver IC that converts an analog input signal into a corresponding LED bar graph display.
• It is commonly used in VU meters, audio level indicators, and other visual display applications.
• The logarithmic response makes it suitable for audio signal level monitoring.

Features:

• 10 LED Driver Outputs: Drives a 10-segment LED bar graph display.
• Wide Operating Voltage Range: Supports operation from 3.5V to 16V.
• Logarithmic Response: Matches human hearing perception for audio applications.
• Built-in Reference Voltage: Simplifies circuit design.
• Low Power Consumption: Suitable for battery-operated devices.
• Easy to Interface: Works directly with analog input signals.

This information is strictly based on the manufacturer's datasheet and technical documentation.