ADP5501
Parameter
Symbol
Conditions 1
Min
Typ
Max
Unit
Hold Time for Start/Repeated Start
Bus Free Time for Stop and Start Condition
Setup Time for Stop Condition
t HD, STA
t BUF
t SU, STO
0.6
1.3
0.6
μs
μs
μs
Rise Time for SCL and SDA
Fall Time for SCL and SDA
Pulse Width of Suppressed Spike
Capacitive Load for Each Bus Line
t R
t F
t SP
C B 5
20 + 0.1 C B
20 + 0.1 C B
0
300
300
50
400
ns
ns
μs
pF
1
2
3
4
5
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC). Typical values are at T A = 25°C, VBAT = 3.6 V.
3.3 V or VBAT, whichever is smaller.
Internal LDO powered down, digital blocks inactive, I 2 C inactive, boost inactive.
Internal LDO powered up, digital blocks active, I 2 C active, boost inactive.
C B is the total capacitance of one bus line in picofarads (pF).
SDA
t LOW
t R
t SU, DAT
t F
t F
t HD, STA
t SP
t R
t BUF
SCL
S
t HD, DAT
t HIGH
t SU, STA
Sr
t SU, STO
P
S
S = START CONDITION
Sr = REPEATED START CONDITION
P = STOP CONDITION
Figure 2. Interface Timing Diagram
Rev. 0 | Page 4 of 28
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