ADE7755_15 datasheet(4/20 Pages) AD

Part #	ADE7755

Description	Energy Metering IC with Pulse Output

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ADE7755

Rev. A | Page 4 of 20

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

POWER SUPPLY

For specified performance

AVDD

4.75

V

5 V − 5%

5.25

V

5 V + 5%

DVDD

4.75

V

5 V − 5%

5.25

V

5 V + 5%

AIDD

3

mA

Typically 2 mA

DIDD

2.5

mA

Typically 1.5 mA

1 See the Terminology section.

2 See the Typical Performance Characteristics section for the plots.

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

TIMING CHARACTERISTICS

AVDD = DVDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 3.58 MHz, TMIN to TMAX = −40°C to +85°C.

Table 2.

Parameter1, 2

Specification

Unit

Test Conditions/Comments

t13

275

ms

F1 and F2 pulse width (logic low)

t2

See Table 7

sec

Output pulse period; see the Transfer Function section

t3

1/2 t2

sec

Time between F1 falling edge and F2 falling edge

t43, 4

90

ms

CF pulse width (logic high)

t5

See Table 8

sec

CF pulse period; see the Transfer Function section

t6

CLKIN/4

sec

Minimum time between F1 and F2 pulse

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

2 See Figure 2.

3 The pulse widths of F1, F2, and CF are not fixed for higher output frequencies. See the Frequency Outputs section.

4 The CF pulse is always 18 μs in the high frequency mode. See the Frequency Outputs section and Table 8.

F1

F2

CF

t1

t5

t4

t2

t6

t3

Figure 2. Timing Diagram for Frequency Outputs

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