BU7858KN_10 Datasheet, PDF (4/25 Pages) Rohm – Mixer & Selector ICs with 16bit D/A Converter

BU7858KN,BU7893GU
Technical Note
【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
Limits
Symbol
Unit
Min. Typ. Max.
Conditions
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
-
DVDD_IO Operation Current
AVDD Operation Current 1
(Analog melody)
AVDD Operation Current 2
(Digital melody)
IDDIO
-
IDDA1
-
IDDA2
-
5
10
mA
0.1
1
mA
BCLK,LRCLK = Input mode
MCLK = L output
1.6
2.8
mA
ANAINL→MIX1→SPOL
ANAINR→MIX2→SPOR
SDI→MIX1→SPOL
6.0 10.0 mA SDI→MIX2→SPOR
TCXOI = 19.8MHz,fs = 44.1kHz
ï½¥DC Characteristic
Parameter
L Output Voltage
H Output Voltage
L Level Input Voltage1
L Level Input Voltage 2
Symbol Terminal
All output
terminal^※1
All output
terminal^※1
All input
terminal^※2
CLKI^※3
Vold
Vohd
Vild1
Vild2
Limits
Min.
Max.
0
0.30
DVDD_IO
-0.30
DVDD_IO
-0.3
DVSS+0.5
-0.3
※³
Unit
Conditions
V Iol=+0.8mA
V Ioh=-0.8mA
V
V
H Level Input Voltage 1
All input
terminal^※2
Vihd1
DVDD_IO
-0.5
DVDD_IO
+0.3
V
H Level Input Voltage 2 CLKI^※3
Vihd2
※³
DVDD_CORE
+0.3
V
L Level Input Current
All input
terminal^※2
Iild
-1
1
µA
Input terminal voltage is
DVSS
H Level Input Current 1
All input
terminal^※2
Iihd1
-1
1
µA
Input terminal voltage is
DVDD_IO
H Level Input Current 2 CLKI^※3
Iihd2
-1
1
µA
Input terminal voltage is
DVDD_CORE
Output OFF Current
Hi-Z
terminal^※4
Iozd
-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
・Audio Path(MIX)
Unless otherwise specified, Ta=25℃, AVDD=2.8V, reference input level=-6dBV, f=1kHz, A-weighted, path gain =0dB
Parameter
Limits
Symbol
Unit
Min. Typ. Max.
Conditions
ANAL_V Volume Setting
ANAR_V Volume Setting
G_DACL
-11
-
+3
dB 1dB step
G_DACR
-11
-
+3
dB 1dB step
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4/24
2010.09 - Rev.A