BU26156RFS Datasheet, PDF (11/95 Pages) Rohm – Monoraul MIC Input with ALC

BU26156RFS
Reset
Parameter
RESETB pulse width
RESETB
Datasheet
Symbol
Min
tW_RST
5
(DGND =0V, IOVDD=3.3V, HVDD1=3.3V, Ta=25°C)
Max.
Unit
-
µs
tW_RST
Figure 7.
When Reset pin is made Low level, internal LDO is power down mode.
It is necessary for 1ms until REGOUT pin becomes Low level. The recommendation of tW_RST is 1ms over.
2 wire serial interface
Parameter
SCL Frequency
SCL “L” Length
SCL “H” Length
Hold time under Repeat [Start] Condition
Setup Time under Repeat[Start] Condition
Data Hold Time
Data Setup Time
Setup Time under [Stop] Condition
Symbol
f_SCL
t_LOW
t_HIGH
t_HD:STA
t_SU:STA
t_HD:DAT
t_SU:DAT
t_SU:STO
(DGND =0V, IOVDD=3.3V, HVDD1=3.3V, Ta=25°C, CL=30pF)
Standard Mode
Min
Max.
Fast Mode
Unit
Min
Max.
-
100
-
400
kHz
4.7
-
1.3
-
µs
4.0
-
0.6
-
µs
4.0
-
0.6
-
µs
4.0
-
0.6
-
µs
0
3.45
0
0.9
µs
250
-
100
-
ns
4.0
-
0.6
-
µs
SDA
SCL
t_LOW
t_SU:DAT
t_HD:STA
t_HD:DAT
t_HIGH
t_SU:STA
Figure 8.
t_SU:STO
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TSZ22111・15・001
11/92
TSZ02201-0V1V0E502570-1-2
Jul.1.2014 Rev.001