Datasheet

ADE7755
Rev. A | Page 4 of 20
Parameter Min Typ Max Unit Test Conditions/Comments
POWER SUPPLY For specified performance
AV
DD
4.75 V 5 V − 5%
5.25 V 5 V + 5%
DV
DD
4.75 V 5 V − 5%
5.25 V 5 V + 5%
AI
DD
3 mA Typically 2 mA
DI
DD
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
AV
DD
= DV
DD
= 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 3.58 MHz, T
MIN
to T
MAX
= −40°C to +85°C.
Table 2.
Parameter
1, 2
Specification Unit Test Conditions/Comments
t
1
3
275 ms F1 and F2 pulse width (logic low)
t
2
See Table 7 sec Output pulse period; see the Transfer Function section
t
3
1/2 t
2
sec Time between F1 falling edge and F2 falling edge
t
4
3, 4
90 ms CF pulse width (logic high)
t
5
See Table 8 sec CF pulse period; see the Transfer Function section
t
6
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
t
1
t
5
t
4
t
2
t
6
t
3
0
2896-002
Figure 2. Timing Diagram for Frequency Outputs