参数资料
型号: ADP5020CP-EVALZ
厂商: Analog Devices Inc
文件页数: 7/28页
文件大小: 0K
描述: BOARD EVAL PMU IMAGING ADP5020
设计资源: Powering AD9272 with ADP5020 Switching Regulator PMU for Increased Efficiency (CN0135)
标准包装: 1
主要目的: DC/DC,LDO 步降
输出及类型: 3,非隔离
输出电压: 3.3V,1.2V,1.8V
电流 - 输出: 600mA,250mA,150mA
输入电压: 2.4 ~ 5.5 V
稳压器拓扑结构: 降压
频率 - 开关: 3MHz
板类型: 完全填充
已供物品: 2 板,CD
已用 IC / 零件: ADP5020
ADP5020
I 2 C TIMING SPECIFICATIONS
Table 6.
Parameter
Min
Max
Unit
Description
f SCL
t HIGH
t LOW
t SU,DAT
0.6
1.3
100
400
kHz
μs
μs
ns
SCL clock frequency
SCL high time
SCL low time
Data setup time
t HD,DAT 1
t SU,STA
t HD,STA
t BUF
t SU,STO
t RISE
t FALL
t SP
C B 2
0
0.6
0.6
1.3
0.6
20 + 0.1C B
20 + 0.1C B
0
0.9
300
300
50
400
μs
μs
μs
μs
μs
ns
ns
ns
pF
Data hold time
Setup time for repeated start
Hold time for start/repeated start
Bus free time between a stop condition and a start condition
Setup time for stop condition
Rise time of SCL/SDA
Fall time of SCL/SDA
Pulse width of suppressed spike
Capacitive load for each bus line
1
2
A master device must provide a hold time of at least 300 ns for the SDA signal (referred to the V IHMIN of the SCL signal) to bridge the undefined region of the SCL falling edge.
C B is the total capacitance of one bus line in picofarads (pF).
Timing Diagram
SDA
t BUF
t LOW
t RISE
t SU,DAT
t FALL
t FALL
t HD,STA
t SP t RISE
SCL
S
t HD,DAT
t HIGH
t SU,STA
Sr
t SU,STO
P
S
S = START CONDITION
Sr = START REPEATED CONDITION
P = STOP CONDITION
Figure 3. I 2 C Interface Timing Diagram
Rev. 0 | Page 7 of 28
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