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BD37522FS Datasheet(PDF) 2 Page - Rohm |
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BD37522FS Datasheet(HTML) 2 Page - Rohm |
2 / 5 page 2/4 REV. A ●Function Function Specifications Input selector Stereo 4 single-end input and 1differential input Input gain 0~20dB (1dB step), Possible to use “Advanced switch” for prevention of switching noise Mute Possible to use “Advanced switch” for prevention of switching noise. Volume +15dB~-79dB (1dB step), -∞dB Possible to use “Advanced switch” for prevention of switching noise. Bass -20~+20dB (1dB step), Q=0.5, 1, 1.5, 2, fo=60, 80, 100, 120Hz Possible to use advanced switch at changing gain Treble -20~+20dB (1dB step), Q=0.75, 1.25, fo=7.5k, 10k, 12.5k, 15kHz Possible to use advanced switch at changing gain Fader 0dB~-79dB (1dB step), -∞dB Possible to use “Advanced switch” for prevention of switching noise. Loudness 0dB~20dB (1dB step), fo=800Hz Possible to use “Advanced switch” for prevention of switching noise. ●Electrical Characteristic (Unless specified particularly, Ta=25℃, VCC=8.5V, f=1kHz, Vin=1Vrms, Rg=600Ω, RL=10kΩ, A input, Input gain 0dB, Mute OFF, Volume 0dB, Tone control 0dB, Loudness 0dB, Fader 0dB) Item Symbol Limit Unit Condition Min. Typ. Max. Current upon no signal IQ - 38 48 mA No signal Voltage gain GV -1.5 0 1.5 dB Gv=20log(VOUT/VIN) Channel balance CB -1.5 0 1.5 dB CB = GV1-GV2 Total harmonic distortion THD+N - 0.001 0.05 % VOUT=1Vrms BW=400-30KHz Output noise voltage VNO - 3.8 15 μVrms Rg = 0Ω BW = IHF-A Residual output noise voltage VNOR - 1.8 10 μVrms Fader=-∞dB Rg=0Ω BW=IHF-A Cross-talk between channels CTC - -100 -90 dB Rg=0Ω CTC=20log(VOUT/VIN) BW=IHF-A Ripple rejection RR - -70 -40 dB f=100Hz VRR=100mVrms RR=20log(VOUT/VCCIN) Common mode rejection ratio CMRR 50 65 - dB CP1 and CN input CP2 and CN input CMRR=20log(VIN/VOUT) BW = IHF-A Maximum input voltage VIM 2.1 2.3 - Vrms VIM at THD+N(VOUT)=1% BW=400-30kHz Maximum gain GV MAX 13 15 17 dB Volume = 15dB VIN=100mVrms Gv=20log(VOUT/VIN) Maximum attenuation GV MIN - -100 -85 dB Volume=-∞dB Gf=20log(VOUT/VIN) BW=IHF-A Maximum output voltage VOM 2.0 2.2 - Vrms THD+N=1% BW=400-30kHz |
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