ADE7858ACPZ datasheet(7/76 Pages) AD

Teilenummer	ADE7858ACPZ

Bauteilbeschribung	Poly Phase Multifunction Energy Metering IC with per Phase Active and Reactive Powers

PDF	76 Pages

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Hersteller	AD [Analog Devices]

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Preliminary Technical Data

ADE7858

Rev. PrA | Page 7 of 76

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.

Table 2. I2C Compatible Interface Timing Parameter

Standard mode

Fast Mode

Parameter

Symbol

Min

Max

Min

Max

Unit

SCL clock frequency

fSCL

100

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 a repeated START condition

tSU;STA

4.7

0.6

μs

Data hold time

tHD;DAT

3.45

0.9

μs

Data setup time

tSU;DAT

250

100

Rise time of both SDA and SCL signals

1000

300

Fall time of both SDA and SCL signals

300

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

SDA

SCLK

START

CONDITION

START

CONDITION

STOP

CONDITION

LOW

SU;DAT

HD;STA

BUF

SU;STO

SU;STA

HIGH

HD;DAT

HD;STA

REPEATED START

CONDITION

Figure 2. I2C Compatible Interface Timing

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