Data Sheet

NTE1503
Integrated Circuit
5-Step LED Driver Circuit
for Logarithmic Response

Description:
The NTE1503 is an integrated circuit in a 9-Lead SIP type package designed for driving 5-LED bar
graphs or dot displays so that the LEDs may light logarithmically (dB) for input signal. Brightness of
the LEDs can be controlled by using the output current adjustment pin provided.

Features:
5-LED Bar Graph or Dot Display Drive
Logarithmic Response with Respect to Input
Brightness Externally Adjustable
High Output Current, Suitable for Green LED Drive
Lamp ON/OFF Hysteresis, No Flickering by Noise

Replaces:
ECG1503

Additional Model #'s
76-NTE1503
NTE1503

UPC: 768249049111