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參數(shù)資料
| 型號： | ADE7878ACPZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Poly Phase Multifunction Energy Metering IC With Total And Fundamental Powers, No Of Pins: 40, Temperature Range: Ind |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, QCC40 |
| 封裝： | 6 X 6 MM, ROHS COMPLIANT, MO-220WJJD, LFCSP-40 |
| 文件頁數(shù)： | 3/96頁 |
| 文件大小： | 1096K |
| 代理商： | ADE7878ACPZ |
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ADE7854/ADE7858/ADE7868/ADE7878
Rev. E | Page 11 of 96
TIMING CHARACTERISTICS
VDD = 3.3 V ± 10%, AGND = DGND = 0 V, on-chip reference, CLKIN = 16.384 MHz, TMIN to TMAX = 40°C to +85°C. Note that dual
function pin names are referenced by the relevant function only within the timing tables and diagrams; see the Pin Configuration and
Function Descriptions section for full pin mnemonics and descriptions.
Table 3. I2C-Compatible Interface Timing Parameter
Standard Mode
Fast Mode
Parameter
Symbol
Min
Max
Min
Max
Unit
SCL Clock Frequency
fSCL
0
100
0
400
kHz
Hold Time (Repeated) Start Condition
tHD;STA
4.0
0.6
μs
Low Period of SCL Clock
tLOW
4.7
1.3
μs
High Period of SCL Clock
tHIGH
4.0
0.6
μs
Set-Up Time for Repeated Start Condition
tSU;STA
4.7
0.6
μs
Data Hold Time
tHD;DAT
0
3.45
0
0.9
μs
Data Setup Time
tSU;DAT
250
100
ns
Rise Time of Both SDA and SCL Signals
tR
1000
20
300
ns
Fall Time of Both SDA and SCL Signals
tF
300
20
300
ns
Setup Time for Stop Condition
tSU;STO
4.0
0.6
μs
Bus Free Time Between a Stop and Start Condition
tBUF
4.7
1.3
μs
Pulse Width of Suppressed Spikes
tSP
N/A1
50
ns
1 N/A means not applicable.
tF
tr
tHD;DAT
tHD;STA
tHIGH
tSU;STA
tSU;DAT
tf
tHD;STA
tSP
tSU;STO
tr
tBUF
tLOW
SDA
SCLK
START
CONDITION
REPEATED START
CONDITION
STOP
CONDITION
START
CONDITION
08
51
0-
00
2
Figure 5. I2C-Compatible Interface Timing
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