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Graphic Equalizer for Headphone Stereos

General Description: The BA3840KV is a preset graphic equalizer IC for headphone stereos. It combines two equalizer circuit channels ona single chip, and also includes a dynamic sound leak reduction circuit. Circuit diagram:
Datasheet for BA3840: Download

Stereo Headphone Amplifier With Shutdown Mode

TDA1308 Class-AB stereo headphone driver

General description:
The TDA1308 is an integrated class-AB stereo headphone driver contained in an SO8 or  a TSSOP8 plastic package. The device is fabricated in a 1 μm Complementary Metal  Oxide Semiconductor (CMOS) process and has been primarily developed for portable digital audio applications.
Features and benefits:
Wide temperature rangeNo switch ON/OFF clicksExcellent power supply ripple rejectionLow power consumptionShort-circuit resistantHigh performanceHigh signal-to-noise ratioHigh slew rateLow distortionLarge output voltage swingCircuit diagram: