Datasheet4U Logo Datasheet4U.com

LM4970 - Audio Synchronized Color LED Driver

Description

The LM4970 is a LED driver with an audio synchronization mode that virtually eliminates the need for real time software processing for LED lighting effects.

The LM4970 includes three individual PWM color LED drivers that provide up to 42mA of current drive for each PWM LED output.

Features

  • 1.
  • 2 Audio Synchronized Color LED Driver.
  • User Defined LED Pattern, Color, and Intensity Capability.
  • Programmable:.
  • LED Drive Current.
  • PWM Frequency.
  • High Pass Filter Frequency Select.
  • Audio Input Signal Gain.
  • Eliminates External LED Current Limiting Resistors.
  • I2C Compatible Interface.
  • Ultra Low Shutdown Current.

📥 Download Datasheet

Datasheet preview – LM4970

Datasheet Details

Part number LM4970
Manufacturer Texas Instruments
File Size 1.12 MB
Description Audio Synchronized Color LED Driver
Datasheet download datasheet LM4970 Datasheet
Additional preview pages of the LM4970 datasheet.

📁 Similar Datasheet

  • LM4970 - Audio Synchronized Color LED Driver (National Semiconductor)
  • LM4900 - 265mW at 3.3V Supply Audio Power Amplifier (National Semiconductor)
  • LM4901 - 1.6 Watt Audio Power Amplifier (National Semiconductor)
  • LM4902 - 265mW at 3.3V Supply Audio Power Amplifier (National Semiconductor)
  • LM4903 - 1 Watt Audio Power Amplifier (National Semiconductor)
  • LM4904 - 1 Watt Audio Power Amplifier (National Semiconductor)
  • LM4905 - 1 Watt Audio Power Amplifier (National Semiconductor)
  • LM4906 - 1W/ Bypass-Capacitor-less Audio Amplifier (National Semiconductor)
  • LM4908 - 10kV ESD Rated Dual 120 mW Headphone Amplifier (National Semiconductor)
  • LM4910 - Output Capacitor-less Stereo 35mW Headphone Amplifier (National Semiconductor)
Other Datasheets by Texas Instruments
  • LM4900 - Audio Power Amplifier
  • LM4901 - 1.6 Watt Audio Power Amplifier
  • LM4902 - 265mW at 3.3V Supply Audio Power Amplifier
  • LM4906 - Bypass-Capacitor-less Audio Amplifier
  • LM4910 - Output Capacitor-less Stereo 35mW Headphone Amplifier
  • LM49100 - Mono Class AB Audio Sub-System
  • LM49101 - Mono Class AB Audio Subsystem
  • LM4911 - Stereo 40mW Low Noise Headphone Amplifier

Full PDF Text Transcription

Click to expand full text
LM4970 www.ti.com SNVS312D – JANUARY 2005 – REVISED MAY 2013 LM4970 Audio Synchronized Color LED Driver Check for Samples: LM4970 FEATURES 1 •2 Audio Synchronized Color LED Driver • User Defined LED Pattern, Color, and Intensity Capability • Programmable: – LED Drive Current – PWM Frequency – High Pass Filter Frequency Select – Audio Input Signal Gain • Eliminates External LED Current Limiting Resistors • I2C Compatible Interface • Ultra Low Shutdown Current APPLICATIONS • Cell Phones • Portable MP3, CD, DVD, AAC players • PDA's KEY SPECIFICATIONS • LED Drive Current per Channel (VDD = 5V): 42mA (2X Setting) • Shutdown Current, VDD = 5V: 1.
Published: |