ADE7878ACPZ Analog Devices Inc, ADE7878ACPZ Datasheet - Page 23

• Manufacturer Part Number: ADE7878ACPZ
• Description: IC ENERGY METERING 3PH 40LFCSP
• Manufacturer: Analog Devices Inc

Specifications of ADE7878ACPZ

• Input Impedance: 400 KOhm
• Measurement Error: 0.1%
• Voltage - I/o High: 2.4V
• Voltage - I/o Low: 0.4V
• Current - Supply: 22mA
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-WFQFN, CSP Exposed Pad
• Meter Type: 3 Phase
• Supply Voltage Range: 3V To 3.6V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: LFCSP
• No. Of Pins: 40
• Msl: MSL 1 - Unlimited
• Peak Reflow Compatible (260 C): Yes
• Supply Voltage Min: 3V
• Rohs Compliant: Yes
• Leaded Process Compatible: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 12. Recommended Actions When Changing Power Modes
Initial Power
Mode
PSM0
PSM1—
ADE7878,
ADE7868 Only
PSM2—
ADE7878,
ADE7868 Only
PSM3
Recommended Actions
Before Setting Next
Power Mode
Stop DSP by setting the run
register = 0x0000.
Disable HSDC by clearing
Bit 6 (HSDEN) to 0 in the
CONFIG register.
Mask interrupts by setting
MASK0 = 0x0 and
MASK1 = 0x0.
Erase interrupt status flags
in the STATUS0 and STATUS1
registers.
No action necessary.
No action necessary.
No action necessary.
PSM0
Wait until the IRQ1 pin
is triggered low.
Poll the STATUS1
register until Bit 15
(RSTDONE) is set to 1.
Wait until the IRQ1 pin
is triggered low.
Poll the STATUS1
register until Bit 15
(RSTDONE) is set to 1.
Wait until the IRQ1 pin
is triggered low.
Poll the STATUS1
register until Bit 15
(RSTDONE) is set to 1.
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PSM1
Current mean absolute
values (mav) computed
immediately.
xIMAV registers can be
accessed immediately.
Wait until the IRQ1 pin
triggered low.
Current mean absolute
values compute at this
moment.
xIMAV registers may be
accessed from this
moment.
Wait until the IRQ1 pin is
triggered low.
Current mav circuit
begins computations at
this time.
xIMAV registers can be
accessed from this
moment.
ADE7854/ADE7858/ADE7868/ADE7878
Next Power Mode
PSM2
Wait until the IRQ0
or IRQ1 pin is
triggered
accordingly.
Wait until the IRQ0
or IRQ1 pin is
triggered
accordingly.
Wait until the IRQ0
or IRQ1 pin is
triggered
accordingly.
PSM3
No action
necessary.
No action
necessary.
No action
necessary.