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Audio ICs

Sound Processors : Sound Processor Series for Home Theaters
Built-in µ-STEP volume 5.1ch / 7.1ch Sound Processors
Part No. Supply
voltage
（V）		 Circuit current
（mA）		 Output noise
(µVrms)		 Max. output
(Vms)		 Distortion
(%)		 Selector Input gain Output gain Volume Number of volume Tone Bass boost Serial control Package RoHS
NEW
BD3471KS2		 ±6.5 to
±7.5		 ±30 1.5 4.2 0.0004 12 - - +24 to
-95dB
10.5dB/step		 8 - - 2wire SQFP-T80 Yes
NEW
BD3473KS2		 ±6.5 to
±7.5		 ±30 1.5 4.2 0.0004 12 - - +24 to
-95dB
10.5dB/step		 8 BASS,
TREBLE		 - 2wire SQFP-T80 Yes
NEW
BD3474KS2		 ±6.5 to
±7.5		 ±30 1.5 4.2 0.0004 12 - - +24 to
-95dB
10.5dB/step		 6 BASS,
TREBLE		 - 2wire SQFP-T80 Yes


2ch/6ch Electronic Volume
Part No. Supply
voltage
（V）		 Circuit current
（mA）		 Output noise
(µVrms)		 Max. output
(Vms)		 Distortion
(%)		 Selector Input gain Output gain Volume Number of volume Tone Bass boost Serial control Package RoHS
BD3812F ±5.0 to
±7.3		 ±2 1.2 4.2 0.005 - - 0,6 to 18dB
2dB/step		 0 to
-103dB
1dB/step		 2 - - 2wire SOP14 Yes
BD3814FV ±5.0 to
±7.3		 ±7 1 4.3 0.001 - - - 0 to
-95dB
1dB/step		 6 BASS,
TREBLE		 - 2wire SSOP-B40 Yes


5.1ch Sound Processors
Part No. Supply
voltage
（V）		 Circuit current
（mA）		 Output noise
(µVrms)		 Max. output
(Vrms)		 Distortion
(%)		 Selector Input gain Output gain Volume Number of volume Tone Bass boost Serial control Package RoHS
BD3813KS ±5.0 to
±7.3		 ±10 1.5 4.2 0.004 - 0,6,12dB - 0 to
-95dB
1dB/step		 6 BASS,
TREBLE		 - 2wire SQFP56 Yes
BD3815KS ±5.0 to
±7.3		 ±10 1.5 4.2 0.004 - 0,6,18dB - 0 to
-95dB
1dB/step		 6 BASS,
TREBLE		 - 2wire SQFP56 Yes
BD3811K1 ±5.0 to
±7.3		 ±15 2 4.2 0.005 8 0,6dB 0,6
to
18dB
2dB
/
step		 0 to
-103dB
1dB
/
step		 6 BASS,
TREBLE		 Ö 2wire QFP80 Yes
BD3818KS ±5.0 to
±7.4		 ±28 3.8 4.3 0.002 5 0,3,6,9dB - 0 to
-95dB
1dB
/
step		 6 BASS,
TREBLE		 （ダイナミック） 2wire SQFP80 Yes


6.1ch/7.1ch Sound Processors
Part No. Supply
voltage
（V）		 Circuit current
（mA）		 Output noise
(µVrms)		 Max. output
(Vrms)		 Distortion
(%)		 Selector Input gain Output gain Volume Number of volume Tone Bass boost Serial control Package RoHS
BD3816K1 ±5.0 to
±7.3		 ±24 1.2 4.2 0.001 7 0 to 7dB
1dB/step		 0 to 17dB
1dB/step		 0 to
-95dB
1dB/step		 7 BASS,
TREBLE		 - 2wire QFP80 Yes
BD3817KS ±5.0 to
±7.3		 ±24 1.2 4.2 0.001 10 0 to 7dB
1dB/step		 0 to 17dB
1dB/step		 0 to
-95dB
1dB/step		 7 BASS,
TREBLE		 - 2wire SQFP100 Yes
BD3452KS ±6.5 to
±7.3		 ±20 1.4 4.2 0.0006 9 0,6,12dB 0 to 15dB
1dB/step		 0 to
-99dB
1dB/step		 8 - - 2wire SQFP100 Yes


6ch / 9ch Stereo Input Selector
Part No. Supply voltage
（V）		 Circuit current
（mA）		 Output noise
(µVrms)		 Max. output
(Vrms)		 Distortion (%) Selector Serial control Package RoHS
BD3843FS ±4.0 to ±7.3 ±3 1 4.2 0.004 6 2wire SSOP-A24 Yes
BD3841FS ±5.0 to ±7.3 ±3 1 4.2 0.004 9 2wire SSOP-A32 Yes

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