BH3874AKS2 Ver la hoja de datos (PDF) - ROHM Semiconductor
Número de pieza
componentes Descripción
Fabricante
BH3874AKS2 Datasheet PDF : 25 Pages
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Audio ICs
BH3874AKS2
[6] Graphic Equalizer f5, DPL
GAIN
D50 D51 D52 D53 D54 D55
+12dB
1
1
1
1
+12dB
0
1
1
1
+10dB
1
0
1
1
+8dB
0
0
1
1
+6dB
1
1
0
1
+4dB
0
1
0
1
+2dB
1
0
0
1
0dB
0dB
−2dB
−4dB
0
0
0
0
0
0
1
0
0
0
1
0
1
DPL
1
0
SELECT
0
0 : OFF
1 : ON
0
−6dB
1
1
0
0
−8dB
0
0
1
0
−10dB
1
0
1
0
−12dB
0
1
1
0
−12dB
1
1
1
0
Note : GAIN is the name given to the transfer data.
Depending on the values of the external constant, the specified gain may not be output.
D56
1
D57
0
[7] Input Selector, Dynamic Bass / Biamp, Surround / Simulated stereo
INPUT
D60 D61 D62 D63 D64 D65 D66 D67
MUTE
0
0
0
INPUT-LA, INPUT-RA
1
0
0
INPUT-LB, INPUT-RB
0
1
0
INPUT-LC, INPUT-RC
1
1
0 0 : Surround 0 : Dynamic
1 : Simulated
Bass 0
0
1
MUTE
0
0
1
stereo 1 : Biamp
MUTE
1
0
1
INPUT-LD1, INPUT-RD1 (0dB) 0
1
1
INPUT-LD2, INPUT-RD2 (−9dB) 1
1
1
[8] Spectrum Analyzer
FREQUENCY
D70 D71 D72 D73 D74 D75 D76 D77
RESET
0
0
0
RESET
1
0
0
fo=105Hz
0
1
0
fo=340Hz
fo=1kHz
1
1
0
∗
∗
1
1
1
0
0
1
fo=3.4kHz
1
0
1
fo=10.5kHz
0
1
1
Priority over parallel data 1
1
1
∗ Don't Care
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