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CSE7759B Datasheet(PDF) 5 Page - Core Technology (Shenzhen) Co., Ltd.

Part No. CSE7759B
Description  Calibration-free Electric Energy Measuring Chip
Download  25 Pages
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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
5/25
Figure 1: Chip Pin Diagram
Table 1.1 CSE7759B Pin Description
Pin
No.
Pin
Name
Input/ Output
Description
1
VDD
Chip- power
supply
Chip- power supply
2,3
V1P,
V1N
I
Current
differencing
signal
input
terminal.
Maximum differencing input signal is ±43.75mV
When the current signal is not used, the VIP and
V1N shall be short received VSS
4
V2P
I
Voltage signal positive input terminal. Maximum
input signal is±700mV
When the voltage signal is not used, the V2P shall
be short connected to VSS
5
VSS
Chip- ground
Chip- ground
6
TI
O
UART transmit port
7
CF
O
Output active high-frequency pulse; duty ratio of
50%
8
RI
I
UART receive port; reserved.




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