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ADE7953 датащи(PDF) 6 Page - Analog Devices

номер детали ADE7953
подробное описание детали  Single Phase, Multifunction Metering IC with Neutral Current Measurement
PDF  68 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

ADE7953 датащи(HTML) 6 Page - Analog Devices

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ADE7953
Data Sheet
Rev. A | Page 6 of 68
TIMING CHARACTERISTICS
SPI Interface Timing
VDD = 3.3 V ± 10%, AGND = DGND = 0 V, on-chip reference, CLKIN = 3.58 MHz, TMIN to TMAX = −40°C to +85°C, unless otherwise noted.
Table 2.
Parameter
Description
Min1
Max1
Unit
tCS
CS to SCLK edge
50
ns
tSCLK
SCLK period
200
ns
tSL
SCLK low pulse width
80
ns
tSH
SCLK high pulse width
80
ns
tDAV
Data output valid after SCLK edge
80
ns
tDSU
Data input setup time before SCLK edge
70
ns
tDHD
Data input hold time after SCLK edge
5
ns
tDF
Data output fall time
20
ns
tDR
Data output rise time
20
ns
tSR
SCLK rise time
20
ns
tSF
SCLK fall time
20
ns
tDIS
MISO disabled after CS rising edge
5
40
ns
tSFS
CS high after SCLK edge
0
ns
tSFS_LK
CS high after SCLK edge (when writing to
COMM_LOCK bit)
1200
ns
1 Min and max values are typical minimum and maximum values.
SPI Interface Timing Diagram
LSB IN
INTERMEDIATE BITS
INTERMEDIATE BITS
tSFS_LK
tSFS
tDIS
tCS
tSL
tDF
tSH
tDHD
tDAV
tDSU
tSR
tSF
tDR
tSCLK
MSB IN
MOSI
MISO
SCLK
CS
MSB OUT
LSB OUT
Figure 2. SPI Interface Timing



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