BU7843AGU_10 Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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○Electrical Characteristics
(Unless otherwise noted, Ta = 25^oC AVSS=DVSS=PVSS=0.0V
Parameter
Digital DC characteristics
Symbol
Min.
Rating
Typ.
Digital high level input
voltage 1
0.8
-
V_IH1
DVDD
ATT is set at 0)
Max.
Unit
-
V
Condition
DVDD=3.0V
Digital high level input
voltage 2
DVDD
-
V_IH2
-0.4
-
V
DVDD=1.8V
Digital low level input voltage
1
V_IL1
-
-
0.2
V
DVDD=3.0V
DVDD
Digital low level input voltage
2
V_IL2
-
-
0.4
V
DVDD=1.8V
Digital high level input current
I_IH
-
-
1
μA ^VIH=DVDD
Digital low level input current
I_IL
-
-
1
μA ^VIL=DVSS
Digital high level output
voltage
DVDD
-
V_OH
-0.5
-
V
IOH=-1mA
Digital low level output
voltage
Digital AC characteristics
V_OL
-
-
0.5
V
IOL=1mA
SCL clock frequency
f_SCL
-
-
400
kHz
Bus free time
t_BUF
1.3
-
-
μs
(Iterative) start condition
setup time
t_SU;STA
0.6
-
-
μs
(Iterative) start condition hold
time
t_HD;STA
0.6
-
-
μs
SCL low time
t_LOW
1.3
SCL high time
t_HIGH
0.6
Data setup time
t_SU;DAT
100
Data hold time
t_HD;DAT
0
Stop condition setup time
t_SU;STO
0.6
Current consumption AVDD=DVDD=PVDD=2.8V
Standby current
I_ST
-
TX_OUT path current
I_DD1
-
HF_OUT path current
I_DD2
-
BT_OUT path current
I_DD3
-
-
-
μs
-
-
μs
-
-
ns
-
-
ns
-
-
μs
input signal = no signal.
-
3
μA
1.3
2.2
mA
1.4
2.4
mA
1.3
2.2
mA
Reciever path current
I_DD4
-
2.5
4.2
mA
After a reset
MIC1_IN→MIX6→TX_OUT
RX_IN→MIX2→HF_OUT
RX_IN→MIX2→BT_OUT
RX_IN→MIX2→RCVP_OUT､
RCVN_OUT
Headphone path current
I_DD5
DACL_IN→MIX2→HPL_OUT
-
3.5
5.9
mA
DACR_IN→MIX3→HPR_OUT
Speaker path current
I_DD6
DACL_IN→MIX4→SPL_OUT
-
1.9
3.2
mA
DACR_IN→MIX5→SPR_OUT
Full operation current
I_DD9
Microphone bias current
I_DD8
-
8.5
13.5
mA All paths are ON
-
250
430
μA BIAS_ON＝！
REV. B