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CSE7759B Datasheet(PDF) 8 Page - Core Technology (Shenzhen) Co., Ltd.

Part No. CSE7759B
Description  Calibration-free Electric Energy Measuring Chip
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Maker  CHIPSEA [Core Technology (Shenzhen) Co., Ltd.]
Homepage  http://www.chipsea.com/
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本资料为芯海科技专有财产,非经许可,不得复制、翻印或转变其他形式使用。
This document is exclusive property of CHIPSEA and shall not be reproduced or copied or transformed to any other format
without prior permission of CHIPSEA
聚点滴之芯.成浩瀚之海
8/25
No-load current (to be determined by
overall noise)
60
mA
Voltage: 1MR divider resistance (ideal value, without resistance error)
Voltage measurement range:
80V~260V(relative error)
-2
1
2
%
Power: (ideal value, without current sampling resistance error and divider
resistance error)
Above 55W (relative error)
-2
1
2
%
Below 55W (absolute error)
1
2.5
W
Min. measured value of power (to be
determined by overall noise)
3
W
No-load power (to be determined by
overall noise)
0
W
2.4 Digital Characteristics
VDD = 5V, GND = 0V, 25℃(unless otherwise stated)
Parameters
Symbol
Min.
Value
Typical
Value
Max.
Value
Unit
Master clock
Frequency of master clock
MCLK
3.04
3.579
4.12
MHz
Duty ratio of master clock
30
50
70
%
Filter
Input sampling rate
(DCLK=MCLK/K)
-
MCLK /4
-
MHz
Output bit rate of digital filter
OWR
-
MCLK /128
-
MHz
Corner frequency of high-pass
filter (-3dB)
-
0.543
-
Hz
Input/output
High level output voltage Iout
VOH
VDD-0.5
-
-
V




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