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ADP1649ACBZ-R7 数据表(PDF) 5 Page - Analog Devices

部件名 ADP1649ACBZ-R7
功能描述  1.0 A LED Flash Driver with I2C-Compatible Interface
PDF  28 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1649ACBZ-R7 数据表(HTML) 5 Page - Analog Devices

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Data Sheet
ADP1649
Rev. 0 | Page 5 of 28
RECOMMENDED SPECIFICATIONS: INPUT AND OUTPUT CAPACITANCE AND INDUCTANCE
Table 2.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
CAPACITANCE
C
MIN
Input
T
A = −40°C to +125°C
4.0
10
µF
Output
T
A = −40°C to +125°C
3.0
10
20
µF
MINIMUM AND MAXIMUM INDUCTANCE
L
T
A = −40°C to +125°C
0.6
1.0
1.5
µH
I2C-COMPATIBLE INTERFACE TIMING SPECIFICATIONS
Table 3.
Parameter1
Min
Max
Unit
Description
f
SCL
400
kHz
SCL clock frequency
t
HIGH
0.6
µs
SCL high time
t
LOW
1.3
µs
SCL low time
t
SU, DAT
100
ns
Data setup time
t
HD, DAT
0
0.9
µs
Data hold time
t
SU, STA
0.6
µs
Setup time for repeated start
t
HD, STA
0.6
µs
Hold time for start/repeated start
t
BUF
1.3
µs
Bus free time between a stop and a start condition
t
SU, STO
0.6
µs
Setup time for a stop condition
t
R
20 + 0.1 C
B
2
300
ns
Rise time of SCL and SDA
t
F
20 + 0.1 C
B
2
300
ns
Fall time of SCL and SDA
t
SP
0
50
ns
Pulse width of suppressed spike
C
B
2
400
pF
Capacitive load for each bus line
1 Guaranteed by design.
2 C
B is the total capacitance of one bus line in picofarads.
Timing Diagram
Figure 3. I2C-Compatible Interface Timing Diagram
SDA
SCL
S
S = START CONDITION
Sr = REPEATED START CONDITION
P = STOP CONDITION
Sr
P
S
tLOW
tR
tHD, DAT
tHIGH
tSU, DAT
tF
tF
tSU, STA
tHD, STA
tSP
tSU, STO
tBUF
tR



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