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AS8168D18

更新时间： 2024-01-22 20:09:34
品牌 Logo 应用领域
艾迈斯 - AMSCO 驱动器光电二极管电机
页数 文件大小 规格书
30页 251K
描述
Single Phase Average Energy Metering IC with On-Chip Calibration, Stepper Motor Drive and LED Output

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AS8168D18 技术参数

生命周期：Contact Manufacturer包装说明：DIP, DIP18,.3
Reach Compliance Code：unknown风险等级：5.6
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDIP-T18
端子数量：18最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP18,.3
封装形状：RECTANGULAR封装形式：IN-LINE
电源：5 V认证状态：Not Qualified
子类别：Other Analog ICs最大供电电流 (Isup)：4 mA
标称供电电压 (Vsup)：5 V表面贴装：NO
技术：CMOS温度等级：INDUSTRIAL
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUALBase Number Matches：1

AS8168D18 数据手册

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AS8168  
Single Phase Average Energy Metering IC  
with On-Chip Calibration, Stepper Motor Drive and LED Output  
DATA SHEET  
on-chip programming. The on-chip programming enables  
the setting of the current input gain, the anti-creep  
threshold, the output pulse rates and the system  
calibration. The high level of integration ensures a  
minimum number of non-critical external components are  
required.  
Features  
-
Extremely accurate, surpassing the accuracy  
requirements of the IEC1036 Specification with less  
than 0.1% error over a 1000 : 1 dynamic range  
On-chip programmable current input gain suitable for  
use with low-resistance shunt resistor or current  
transformer  
-
The on-chip anti-creep circuit ensures that the AS8168  
does not output pulses when the meter is in a no-load  
condition and that the IEC1036 anti-creep test  
requirements are fully complied with, for both direct or  
transformer connection meters.  
-
-
On-chip programming for output pulse rate selection.  
On-chip calibration eliminates the need for an external  
resistor network or trim-potentiometer  
Programmable on-chip creep prevention under no-load  
condition  
-
-
-
The AS8168 offers three different pulse outputs. A stepper  
motor drive output for directly driving a stepper motor  
display, a LED output for energy consumption indication  
and a dedicated high frequency output for fast single point  
system calibration.  
All on-chip programmable functions may be  
reprogrammed a second time  
Outputs directly drive an electromechanical counter or  
a two phase stepper motor counter and consumption  
LED indicator  
The AS8168 is available in either surface mount SOIC-18  
or dual-in-line DIP-18 packages.  
-
-
-
Fast calibration pulse output for high speed manual or  
automated calibration  
On-chip voltage reference and power supply  
monitoring  
Block Diagram  
Bi-directional or unidirectional energy measurement,  
with direction indication output available  
Description  
Non-volatile  
Calibration  
AGND  
Buffer  
The AS8168 is a very accurate single-phase bi-directional  
average energy measurement integrated circuit, which  
surpasses all the accuracy requirements for IEC1036  
alternating current static watt-hour meters. The measured  
energy is converted into pulses with the number of output  
pulses being proportional to the measured energy.  
VP  
VN  
Digital  
Filter  
Σ∆-mod  
Power  
Calculation  
IP  
IN  
Digital  
Filter  
Σ∆-mod  
VREF  
The AS8168 is ideal for use in ‘stand alone’ kWh meter  
applications, where the IC directly drives an  
CAL  
LED  
MON  
MOP  
XIN  
Crystal  
Osc  
XOUT  
electromechanical counter with a two-phase stepper  
motor, or for more complex meter applications, the  
AS8168 interfaces directly to a micro-controller.  
Control  
POR  
The highly integrated AS8168 design includes all the  
required functional blocks. The blocks comprise of analog  
to digital converters (ADC) for the voltage and current  
channels, digital filters, a digital signal processing block, a  
control block and non-volatile calibration memory for the  
Figure 1  
Block diagram of the AS8168  
Revision 1.2, 11-Feb-05  
Page 1 of 30  
1234567...30

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