TC9422F

The TC9422F is single-chip electronic volume IC incorporating an op amp circuit developed for portable audio equipment.With a few external parts,TC9422F can control a wide range of audio functions, including main volume, balance, fader, bass, treble, loudness, and input switching.

Features of the TC9422F are:(1)tone control:18dB or--12dB for both bass and treble (16 positions); (2)input selector:any of four input signals can be amplified with any of four gain options:0dB, 6dB, 12dB, or 18dB; (3)main volume:offers 64dB positions of separate left and right control over the range 0--78dB and (in 1dB~2dB/steps); (4)incorporates op amp circuit, reducing external parts; (5)incorporates an interface for a 5V-system microcomputer; (6)the si-gate process achieved a high-performance volume system.The information contained  herein  is presented only as a guide for the applications of our products.No responsibility  is assumed  by TOSHIBA CORPORATION  for any  infringements of intellectual property or other rights of the third  parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others.

The absolute maximum ratings of the TC9422F can be summarized as:(1)supply voltage:-0.3 to 15V;(2)input voltage:-0.3 to Vdd+0.3V;(3)storage temperature:-65 to 150;(4)operating temperature:-40 to 85;(5)power dissipation:300mW.The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer's own risk.

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