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SA9903B

SA9903B首页预览图
型号: SA9903B
PDF文件:
  • SA9903B PDF文件
  • SA9903B PDF在线浏览
功能描述: Single Phase Power / Energy IC with SPI Interface
PDF文件大小: 120.75 Kbytes
PDF页数: 共12页
制造商: SAMES[Sames]
制造商LOGO: SAMES[Sames] LOGO
制造商网址: http://www.sames.co.za
捡单宝SA9903B
供应商
型号
品牌
封装
批号
库存数量
备注
询价
  • 集好芯城

    16

    0755-8328588218188616606陈妍深圳市福田区深南中路3023号汉国中心55楼11010804

  • SA9903BSA
  • SAMES 
  • SOP-20 
  • 最新批? 
  • 5603 
  • 原厂原装现货现卖 

PDF页面索引
120%
+ FEATURES
+ Bi-directional active and reactive power/energy
measurement
+ RMS Voltage and frequency measurement
+ SPI communication bus
+ Meets the IEC 521/1036 Specification requirements for
Class 1 AC Watt hour meters
samessames
Single Phase Power / Energy IC
with SPI Interface
SA9903B
1/12
SPEC-0051 (REV. 2)
26-02-01
+ Meets the IEC 1268 Specification requirements for VAR
hour meters
+ Protected against ESD
+ Total power consumption rating below 25mW
+ Adaptable to different current sensor technologies
+ Operates over a wide temperature range
+ Precision voltage reference on-chip
DESCRIPTION
The SAMES SA9903B is a single phase bi-directional
energy/power metering integrated circuit that performs
measurement of active and reactive power, mains voltage and
mains frequency.
The SA9903B is pin compatible to the SA9603B. New features
include, RMS mains voltage and accurate reactive power
measurements.
Measured values for active and reactive energy, the mains
voltage and frequency are accessible through a SPI bus from
24 bit registers.
This innovative universal single phase power/energy metering
integrated circuit is ideally suited for energy calculations in
applications such as electricity dispensing systems (ED's),
residential municipal metering and factory energy metering
and control.
TheSA9903B integrated circuit is available in both 20 pin dual-
in-line plastic (DIP-20), as well as 20 pin small outline (SOIC-
20) package types.
Figure 1: Block diagram
IVP
SPI
VOLTAGE
REF.
DI
VSS
VDD
DO
FMO
VREF
Dr-01583
OSC2OSC1
GND
ACTIVE
REACTIVE
RMS
VOLTAGE
MAINS.
FREQ.
CURRENT
ADC
VOLTAGE
ADC
SCK
CS
OSC
IIP
IIN
TEST
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