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ADE7760

Energy Metering IC with On-Chip Fault Detection

Analog Devices 

TIMING CHARACTERISTICS

VDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, on-chip oscillator, TMIN to TMAX = –40°C to +85°C.

Sample tested during initial release and after any redesign or process change that may affect this parameter.

See Figure 2.

Table 2.

Parameter

t11

t2

t3

t41

t5

t6

Value

120

See Table 6

1/2 t2

90

See Table 7

CLKIN/4

Unit

Test Conditions/Comments

ms

F1 and F2 Pulse Width (Logic High).

s

Output Pulse Period. See the Transfer Function section.

s

Time between F1 Falling Edge and F2 Falling Edge.

ms

CF Pulse Width (Logic High).

s

CF Pulse Period. See the Transfer Function section.

s

Minimum Time between F1 and F2 Pulse.

1 The pulse widths of F1, F2, and CF are not fixed for higher output frequencies. See the Transfer Function section.

t1

F1

F2

t4

CF

t6

t2

t3

t5

Figure 2. Timing Diagram for Frequency Outputs

ADE7760

Rev. 0 | Page 5 of 24

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