BD3452KS

The BD3452KS is a kind of 8ch volume with 9ch input selector. It is structured as a silicon monolithic integrated circuit. There are some features as follows: (1)8ch master volume (0 to 99 dB, MUTE, 1 dB/STEP); (2)tone (-14 dB to +14 dB, 2 dB/STEP), input gain, output gain.

What comes next is about the absolute maximum ratings of BD3452KS: (1)power supply voltage, VCC: 7.5 V; (2)power supply voltage, VEE: -7.5 V; (3)input voltage, VIN: VCC+0.3 to VEE-0.3 V; (4)power dissipation, Pd: 1300 mW; (5)operating temperature, Topr: -20 to +75; (6)storage temperature, Tstg: -55 to +125.

The following is about the electrical characteristics of BD3452KS at Ta=25, VCC=7 V, VEE=-7 V, f=1 kHz, VIN=1 Vrms, RL=10 k, Rg=600, input gain=0 dB, master volume=0 dB, output gain=0 dB: (1)output voltage gain, Gv: -2 dB min, 0 dB typ and 2 dB max; (2)total harmonic distortion ratio, THD: 0.0006% typ and 0.03% when BW=400 to 30kHz; (3)maximum output voltage, Vomax: 3.6 V Vrms min and 4.2 V Vrms typ at THD=1%; (4)output noise voltage, Vno: 1.4Vrms typ and 12Vrms max at Rg=0, BW=IHF-A; (5)residual output noise voltage, Vnor: 1Vrms typ and 8Vrms max at Rg=0, BW=IHF-A, volume=MUTE; (6)input impedance, Rin: 32 k min, 47 k typ and 62 k max.