Datasheet

ADE7769
Rev. A | Page 4 of 20
Parameter Value Unit Test Conditions/Comments
POWER SUPPLY For specified performance
V
DD
4.75 V min 5 V – 5%
5.25 V max 5 V + 5%
I
DD
5 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
V
DD
= 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, RCLKIN = 6.2 kΩ, 0.5% ± 50 ppm/°C, T
MIN
to T
MAX
= −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
t
1
1
120
ms
F1 and F2 pulse width (logic low).
t
2
See Table 6 sec Output pulse period. See the Transfer Function section.
t
3
1/2 t
2
sec Time between the F1 and F2 falling edges.
t
4
1, 2
90 ms CF pulse width (logic high).
t
5
See Table 7 sec CF pulse period. See the Transfer Function section.
t
6
2
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.
F1
F2
CF
t
1
t
5
t
4
t
2
t
6
t
3
05332-002
Figure 2. Timing Diagram for Frequency Outputs