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ADE7755 Datasheet(PDF) 4 Page - Analog Devices

Part No. ADE7755
Description  Energy Metering IC with Pulse Output
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADE7755 Datasheet(HTML) 4 Page - Analog Devices

 
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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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