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BU9406KS2 Datasheet(PDF) 3 Page - Rohm

Part # BU9406KS2
Description  28bit Audio DSP with Built-in 2ch ADC, 6ch DAC and ASRC
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BU9406KS2 Datasheet(HTML) 3 Page - Rohm

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Technical Note
3/34
BU9406KS2
www.rohm.com
2012.03 - Rev.A
© 2012 ROHM Co., Ltd. All rights reserved.
●Electrical Characteristics (Analog system)
VDD=3.3V
(Unless otherwise specified Ta=25℃, RL=10kΩ, Standard VC)
Item
Symbol
Standard Values
Unit
Applicable Pins/Conditions
Min.
Typ.
Max.
Total
Circuit Current
IQ
-
60
90
mA
DVDDIO1,DVDDIO2,DVDDIO3,DVDDREG
,
DVDDPLL,AVDDAD1,ADVDDAD2,
AVDDDA1,AVDDDAR2,AVDDDAL2,
AVDDDAR3,AVDDDAL3
Regulator
Output Voltage
VREG
-
1.5
-
V
IO=100mA
PLL_ASRC
Lock Frequency
(8 times frequency multiplier)
FLK8
-
24.576
-
MHz
BCK=3.072MHz (fs=48kHz)
Sigma-delta audio ADC
Maximum Input Amplitude
VIMAX
-
-
0.7
Vrms
Distortion rate(THD+N)
THDAD
-
0.02
0.05
%
1kHz, -0.5dB
S/N
S/NAD
-
90
-
dB
AIN=0.7Vrms,1kHz,A-weighted
Input Impedance
RI
42
60
78
k
Ω
Sigma-delta audio DAC
Maximum Output Amplitude
VOMAX
0.63
0.75
0.86
Vrms
Distortion rate(THD+N)
THDDA
-
0.005
0.03
%
0dB,1kHz
S/N
S/NDA
-
96
-
dB
0dB,1kHz,A-weighted
16bit DAC Section
Maximum Output Amplitude
VOMAX
0.65
0.77
0.88
Vrms
Distortion rate(THD+N)
THDDA
-
0.03
-
%
0dB,1kHz
S/N
S/NDA
-
90
-
dB
0dB,1kHz,A-weighted


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