Datasheet

ADE7752/ADE7752A
Rev. C | Page 4 of 24
TIMING CHARACTERISTICS
V
DD
= 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 10 MHz, T
MIN
to T = –40°C to +85°C, unless otherwise noted .
1, 2
MAX
Table 2.
Parameter Conditions Spec Unit
t F1 and F2 Pulse Width (Logic High). 275 ms
1
3
t Output Pulse Period. See the Transfer Function section. See Table 6. sec
2
t Time between F1 Falling Edge and F2 Falling Edge. 1/2 t
3 2
sec
t CF Pulse Width (Logic High). 96 ms
4
3, 4
t CF Pulse Period. See the Transfer Function and the Frequency Outputs sections. See Table 7. sec
5
5
t Minimum Time Between the F1 and F2 Pulse. CLKIN/4 sec
6
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
CF is not synchronous to F1 or F2 frequency outputs.
5
The CF pulse is always 1 µs in the high frequency mode.
F1
F2
CF
t
1
t
6
t
2
t
3
t
4
t
5
02676-A-002
Figure 2. Timing Diagram for Frequency Outputs