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Home » NEWEST Products » New by Category » Semiconductors » Audio ICs » Toshiba TC94BxxWBG Headphone Amplifiers
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Toshiba TC94BxxWBG Headphone Amplifiers
Toshiba TC94BxxWBG Headphone Amplifiers

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Toshiba TC94BxxWBG Headphone Amplifiers

Toshiba TC94B06WBG and TC94B15WBG are stereo headphone amplifiers with electronic volume control. TC94B06WBG is a Class-G device with a built in a charge pump circuit so an output coupling capacitor is not required. TC94B15WBG is a Class-G device that includes a two-channel audio digital-to-analog converter. These Toshiba devices are ideal for use in mobile phones and other portable devices.


TC94B06WBG Features
  • High efficiency according to headphone circuit adoption of G-Class type
  • Differential inputs
  • Capability to drive: RL=16 to 600Ω
  • SGND for Tuner application
    • Prevents deterioration by channel separation when a headphone GND is used as FM tuner antennae
  • I2C Bus
  • Volume control -59 to +4dB, 32 steps, Mute function
  • Channel independent shutdown control and short-circuit protection
  • High SNR (AVDD=3.6V, A-weighting) S/N=102dB (Typ.)
TC94B15WBG Features
  • I2C control Bus
  • DA converter
    • I2S input compatible
    • Data bits: 16bit
    • Sampling rate: 48kHz
  • G-class Headphone Amplifier
    • Output Coupling Capacitor-less
  • Low supply current
  • IDDQ (DVDD): 1.8mA (Typ.)
  • IDDQ (AVDD): 2.2mA (Typ.)
  • High Sound Quality: S/N = 92dB (Typ. AES17+CCIR Weighting)
  • Electric Volume: 32 steps and mute

TC94B06WBG Block Diagram

TC94B06WBG Block Diagram

TC94B15WBG Block Diagram

TC94B15WBG Block Diagram
  • Toshiba
  • Semiconductors|Integrated Circuits|IC-Audio