ADE7769 datasheet(4/20 Pages) AD

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ADE7769

Rev. A | Page 4 of 20

Parameter

Value

Unit

Test Conditions/Comments

POWER SUPPLY

For specified performance

VDD

4.75

V min

5 V – 5%

5.25

V max

5 V + 5%

IDD

mA max

Typically 4 mA

1 See the Terminology section for an explanation of specifications.

2 See the figures in the Typical Performance Characteristics section.

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

TIMING CHARACTERISTICS

VDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, RCLKIN = 6.2 kΩ, 0.5% ± 50 ppm/°C, TMIN to TMAX = −40°C to +85°C,

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

See Figure 2.

Table 2.

Parameter

Specifications

Unit

Test Conditions/Comments

t11

120

F1 and F2 pulse width (logic low).

See Table 6

sec

Output pulse period. See the Transfer Function section.

1/2 t2

sec

Time between the F1 and F2 falling edges.

t41, 2

CF pulse width (logic high).

See Table 7

sec

CF pulse period. See the Transfer Function section.

μs

Minimum time between the F1 and F2 pulses.

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

2 The CF pulse is always 35 μs in high frequency mode. See the Frequency Outputs section and Table 7.

Figure 2. Timing Diagram for Frequency Outputs

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