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BA682A - LED level meter driver/ 12-point/ VU scale/ dot or bar display

Key Features

  • 1) 12-point VU display meter driver for bar / dot displays. 2) Fixed-current outputs that can directly drive LEDs. 3) Output current can be set using external resistors allowing different types of LEDs to be used in combination. 4) Built-in half-wave rectifier amplifier. 5) LED on and off timing can be set using an external capacitor and resistor. 6) With bar-type display, by connecting four LEDs in series, power dissipation is reduced. FAbsolute maximum ratings (Ta = 25_C) 640 Audio ICs FBl.

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Datasheet Details

Part number BA682A
Manufacturer ROHM
File Size 85.51 KB
Description LED level meter driver/ 12-point/ VU scale/ dot or bar display
Datasheet download datasheet BA682A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Audio ICs LED level meter driver, 12–point, VU scale, dot or bar display BA682A The BA682A is a monolithic IC for LED level meter applications. The display level range is 13mVrms to 327mVrms (Typ.), the 0dB level is 130mVrms (Typ.) and the VU display is -20dB to +8dB. The constant current outputs can be set using external components allowing use of different color LEDs in various combinations. FApplications Level meters for all types of audio equipment applications FFeatures 1) 12-point VU display meter driver for bar / dot displays. 2) Fixed-current outputs that can directly drive LEDs. 3) Output current can be set using external resistors allowing different types of LEDs to be used in combination. 4) Built-in half-wave rectifier amplifier.