SM6453AB
NIPPON PRECISION CIRCUITS INC.
3-wire Serial Data Volume Control for Headphone Amplifiers IC
OVERVIEW
FEATURES
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ORDERING INFORMATION
Device
SM6453AB
pre
lim
Package 32-pin QFN
2 stereo system inputs, 1 output system 12mW + 12mW output (standard, 16Ω load, 2.
0V supply
voltage) Attenuation function • 1.
0dB step width • 80-step • + 12 to – 68dB variable range Mute function Low current consumption (2.
3mA total, 2.
4V supply
voltage) 12dB
voltage gain Bass boost function (2 boost characteristics controlled by external RC network) Auto gain control function (AGC) Beep sound input/output circuit Power-down function 1.
9 to 3.
6V operating supply
voltage range...