SM6453AB - Nippon Precision Circuits Inc

SM6453AB 3-wire Serial Data Volume Control for Headphone Amplifiers IC

Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Name MLEN MCK MDT RSTN MUTEN PDN BEEPI VREF1 VREF2 AVDD1 LIN1 LIN2 AVSS1 RIN1 RIN2 VBIAS BEEPRO ROUT I/O1 Ip Ip Ip Ip I I I O O − I I − I I O O O − − Description Microcontroller latch enable input Microcontroller clock input Microcontroller data input System reset (LOW-level.

Features

I I I I I I I I I I I I 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 Silicon-gate CMOS pro.