參數(shù)資料
型號: EVAL-ADE7757EB
廠商: Analog Devices, Inc.
英文描述: Energy Metering IC with Integrated Oscillator
中文描述: 電能計量IC集成振蕩器
文件頁數(shù): 3/14頁
文件大?。?/td> 534K
代理商: EVAL-ADE7757EB
PRELIMINARY TECHNICAL DATA
REV. PrC.
–3–
ADE7757
.
t
2
.
t
3
t
4
.
t
5
.
t
6
t
1
F1
F2
CF
TIMING CHARACTERISTICS
1, 2
Parameter
A, B Versions
Units
Test Conditions/Comments
t
13
t
2
t
t
3
t
5
t
6
550
See Table II
1/2 t
2
180
See Table III
TBD
ms
sec
sec
ms
sec
sec
F1 and F2 Pulsewidth (Logic Low)
Output Pulse Period. See Transfer Function Section
Time Between F1 Falling Edge and F2 Falling Edge
CF Pulsewidth (Logic High)
CF Pulse Period. See Transfer Function Section
Minimum Time Between F1 and F2 Pulse
NOTES
1
Sample tested during initial release and after any redesign or process change that may affect this parameter.
2
See Figure 1.
3
The pulsewidths of F1, F2 and CF are not fixed for higher output frequencies. See Frequency Outputs Section.
4
The CF pulse is always 18 μs in the high frequency mode. See Frequency Outputs section and Table III.
Specifications subject to change without notice.
ORDERING GUIDE
Model
Package Description
Package Options
ADE7757ARN
SOIC narrow-body
RN-16
EVAL-ADE7757EB
Evaluation Board
Evaluation Board
Figure 1. Timing Diagram for Frequency Outputs
(V
DD
= 5 V 5%, AGND = DGND = 0 V, On-Chip Reference, r
CKLIN
= 5 k
0.1
% 5ppm/°C
,
T
MIN
to T
MAX
= –40 C to +85 C)
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