BU7858KN_07 Datasheet, PDF (3/25 Pages) Rohm – Mixer & Selector With 16bit D/A Converters

・Audio Interface
Parameter
MCLKI Frequency
MCLKI Duty Ratio
LRCLK Frequency
LRCLK Duty Ratio
BCLK Frequency
BCLK Duty Ratio
LRCLK edge to BCLK↑ Time
BCLK↑ to LRCLK Edge Time
Data Hold Time
Data Set-up Time
Symbol
fMCLK
dMCLK
fs
dLR
fBCK
dBCK
tLRS
tSLR
tSDH
tSDS
Min
4.096
45
16
45
0.512
45
50
50
50
50
Typ
Max Unit
－
18.432 MHz
－
55
%
－
48
kHz
－
55
%
－
3.072 MHz
－
55
%
－
－
ns
－
－
ns
－
－
ns
－
－
ns
Condition
【BU7893GU】
ï½¥Whole Block
Unless otherwise specified、Ta=25℃、DVDD_CORE=1.8V、DVDD_IO=1.8V、AVDD=2.8V、Digital input terminal is fixed with
DVDD_IO ”L” or ”H” level、The gain settings of the audio paths are all 0dB, and no signal
Parameter
Symbol Min
Typ
Max Unit
Condition
DVDD_CORE Stand-by Current
(Core logic block)
ISTCO
－
－
10
μA standby，CLKI = DVSS
DVDD_IO Stand-by Current
ISTIO
－
－
5
μA standby，CLKI = DVSS
AVDD Stand-by Current
ISTA
－
－
5
μA standby
DVDD_CORE Operation Current IDDCO
－
5
10
mA
DVDD_IO Operation Current
AVDD Operation Current 1
(Analog melody)
IDDIO
－
IDDA1
－
0.1
1
mA
BCLK，LRCLK = Input mode
MCLK = L output
1.6
2.8
mA
ANAINL→MIX1→SPOL
ANAINR→MIX2→SPOR
AVDD Operation Current 2
(Digital melody)
IDDA2
－
SDI→MIX1→SPOL
6.0
10.0
mA SDI→MIX2→SPOR
TCXOI = 19.8MHz，fs = 44.1kHz
ï½¥DC Characteristic
Parameter
Termin Symbol
Min
Typ
-al
L Output Voltage
All output
Vold
terminal^※1
0
－
H Output Voltage
All output DVDD_IO
Vohd
terminal^※1
-0.30
－
L Level Input Voltage1
Vild1
All input
terminal^※2
-0.3
－
L Level Input Voltage 2 Vild2
CLKI^※3
-0.3
－
Max
0.30
DVDD_IO
DVSS+0.5
※3
Unit
Condition
V Iol=+0.8mA
V Ioh=-0.8mA
V
V
H Level Input Voltage 1 Vihd1
All input
terminal^※2
DVDD_IO
-0.5
－
DVDD_IO
+0.3
V
H Level Input Voltage 2 Vihd2
CLKI^※3
DVDD_CORE
※3
－
V
+0.3
L Level Input Current
All input
Iild
terminal^※2
-1
－
Input terminal voltage
1
μA
is DVSS
H Level Input Current 1 Iihd1
All input
terminal^※2
-1
－
Input terminal voltage
1
μA
is DVDD_IO
H Level Input Current 2 Iihd2
CLKI^※3
-1
－
Input terminal voltage
1
μA
is DVDD_CORE
Output OFF Current
Hi-Z
Iozd
terminal^※4
-10
－
10
μA
※ 1 : They also contain interactive terminals that are set output state.
※ 2 : They also contain interactive terminals that are set input state.
※ 3 : Please connect 100pF coupling capacitor and input 0.5V_P-P or more when you input through coupling capacitor.
※
(In address 15h CLKSEL1=0、CLKSEL0=1)
※ 4 : At interactive terminals of input state or three-state terminals of output-disable state
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