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NTE1509 - Integrated Circuit 10-Step Dot/Bar Display Driver

Description

The NTE1509 is a monolithic integrated circuit in an 18

Lead DIP type package that senses analog voltage levels and drives 10 LEDs, LCDs, or vacuum fluorescent displays, providing a logarithmic 3dB analog display.

A single pin changes the display from a bar graph to a moving dot display.

Features

  • D 3dB/Step, 30dB Range D D Drives LEDs, LCDs or vacuum fluorescents D D Bar or dot display mode externally selectable by user D D Expandable to displays of 90dB D Internal voltage reference from 1.2V to 12V D D Operates with single supply of 3V to 25V D D Inputs operate down to GND Output current programmable from 1 to 30mA Input withstands ±35V without damage or false outputs Outputs are current regulated, open.
  • collectors Directly Drives TTL or CMOS The internal 10.
  • step divider.

📥 Download Datasheet

Datasheet Details

Part number NTE1509
Manufacturer NTE Electronics (defunct)
File Size 30.38 KB
Description Integrated Circuit 10-Step Dot/Bar Display Driver
Datasheet download datasheet NTE1509 Datasheet

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Full PDF Text Transcription

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NTE1509 Integrated Circuit 10–Step Dot/Bar Display Driver for Logarithmic Scale Description: The NTE1509 is a monolithic integrated circuit in an 18–Lead DIP type package that senses analog voltage levels and drives 10 LEDs, LCDs, or vacuum fluorescent displays, providing a logarithmic 3dB analog display. A single pin changes the display from a bar graph to a moving dot display. LED current is regulated and programmable, eliminating the need for current limiting resistors. The whole display system can operate from a single supply as low as 3V or as high as 25V The circuit contains its own adjustable reference and accurate 10–step voltage divider. The high impedance input buffer accepts signals down to GND and up to within 1.5V of the positive supply.
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