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ZL3459 Datasheet

Part Number ZL3459
Manufacturers ZLmicro
Logo ZLmicro
Description 4.1-Chanel Audio Procesor
Datasheet ZL3459 DatasheetZL3459 Datasheet (PDF)

ZL3459 4.1-Channel Audio Processor with Subwoofer Features ■ Controlled by I² C Interface ■ 4 Stereo Inputs (including 1 quasi-differential input) ■ ■ ■ ■ ■ ■ ■ Application ■ Car Audio ■ ■ with selectable input gain 2 Channels Electronic Volume: +15 to -79dB with 1dB/step 1 Subwoofer Output: +15 to -79dB with 1dB/step Adjustable crossover frequency for Subwoofer Tone Control (Bass and Treble): -15 to +15dB, 1dB/step Input Gain Control: 0 to +15dB, 1dB/step Loudness: 0 to -15dB, 1dB/step 4 ind.

  ZL3459   ZL3459






4.1-Chanel Audio Procesor

ZL3459 4.1-Channel Audio Processor with Subwoofer Features ■ Controlled by I² C Interface ■ 4 Stereo Inputs (including 1 quasi-differential input) ■ ■ ■ ■ ■ ■ ■ Application ■ Car Audio ■ ■ with selectable input gain 2 Channels Electronic Volume: +15 to -79dB with 1dB/step 1 Subwoofer Output: +15 to -79dB with 1dB/step Adjustable crossover frequency for Subwoofer Tone Control (Bass and Treble): -15 to +15dB, 1dB/step Input Gain Control: 0 to +15dB, 1dB/step Loudness: 0 to -15dB, 1dB/step 4 independent speaker outputs: +15 to -79dB with 1dB/step & independent programmable mix input with 50% mixing ratio for front speakers Low Distortion and Low Noise LQFP44 package Description The ZL3459 is a 4.1CH audio processor designed for Car Audio purpose. Using I2C interface controls all of the functions. Like most of audio processor, it equipped up to 4 stereo sources input with adjustable gain, master volume with adaptive loudness, treble and bass tone control. In a car entertainment system needs front and rear seat individual control, the ZL3459 provides separate input source selection and output volume adjust ; a special design mixing amp is very easy combine the navigation system or cellular phone’s voice into the car audio system. Block diagram Ver:1.0 WWW.ZLMICRO.COM 1/21 ZL3459 4.1-Channel Audio Processor with Subwoofer Pin configuration Pin description Ver:1.0 WWW.ZLMICRO.COM 2/21 ZL3459 4.1-Channel Audio Processor with Subwoofer Absolute maximum ratings Electrica.


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