BU7843AGU_10 Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

Structure
Product Name
Silicon Monolithic Integrated Circuit
Audio Interface for Cellular Phone
Product No.
BU7843AGU
Features
Audio Interface
6x6 keyscan circuit
○Absolute Maximum Ratings(Ta=25 ^oC）
Parameter
Symbol
Rating
Unit
Analog supply voltage
AVDD
-0.3～4.5
V
Digital supply voltage
DVDD
-0.3～4.5
V
Power supply voltage
PVDD
-0.3～4.5
V
Analog input voltage
V_AIN
AVSS-0.3～AVDD+0.3
V
Digital input voltage
V_DIN
DVSS-0.3～DVDD+0.3
V
Input current
I_IN
-10～+10
mA
Allowable dissipation
P_d
310(*1)
mW
Operating temperature range
T_OPR
-30～+85
o_C
Storage temperature range
T_STG
-55～+125
o_C
(*1) When Ta is above 25^oC, reduce 3.1mW per 1^oC.
○Recommended operating conditions（Ta=25 ^oC）
Parameter
Analog operation voltage
Symbol
Min.
Rating
Typ.
Max.
Unit
AVDD
2.7
2.8
3.1
V (*2)
Digital operation voltage
DVDD
1.65
1.8
3.1
V
Power operation voltage
PVDD
2.7
2.8
3.1
V
(*2) AVDD and PVDD are internally connected in the IC and use the same potential.
This chip is not designed to protect itself against radioactive rays.
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Remarks
Remarks
REV. B