ade7880 Analog Devices, Inc., ade7880 Datasheet - Page 9

• Manufacturer Part Number: ade7880
• Description: Polyphase Multifunction Energy Metering Ic With Harmonic Monitoring
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
TIMING CHARACTERISTICS
VDD = 3.3 V ± 10%, AGND = DGND = 0 V, on-chip reference, CLKIN = 16.384 MHz, T
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 2. I
Parameter
SCL Clock Frequency
Hold Time (Repeated) Start Condition
Low Period of SCL Clock
High Period of SCL Clock
Set-Up Time for Repeated Start Condition
Data Hold Time
Data Setup Time
Rise Time of Both SDA and SCL Signals
Fall Time of Both SDA and SCL Signals
Setup Time for Stop Condition
Bus Free Time Between a Stop and Start Condition
Pulse Width of Suppressed Spikes
1
N/A means not applicable.
SCLK
SDA
2
CONDITION
C-Compatible Interface Timing Parameter
START
t
F
t
HD;STA
t
LOW
t
HD;DAT
t
r
t
HIGH
t
SU;DAT
Figure 2. I
t
f
Rev. PrE | Page 9 of 103
2
C-Compatible Interface Timing
t
SU;STA
REPEATED START
CONDITION
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
SCL
HD;STA
LOW
HIGH
SU;STA
HD;DAT
SU;DAT
R
F
SU;STO
BUF
SP
t
HD;STA
Min
0
4.0
4.7
4.0
4.7
0
250
4.0
4.7
N/A
MIN
Standard Mode
1
to T
MAX
t
t
SU;STO
SP
Max
100
3.45
1000
300
= −40°C to +85°C. Note that dual
t
r
CONDITION
STOP
Min
0
0.6
1.3
0.6
0.6
0
100
20
20
0.6
1.3
t
Fast Mode
BUF
CONDITION
START
Max
400
0.9
300
300
50
ADE7880
Unit
kHz
μs
µs
µs
µs
µs
ns
ns
ns
µs
µs
ns