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参数资料
| 型号： | CAS 15-NP |
| 厂商： | LEM USA Inc |
| 文件页数： | 14/16页 |
| 文件大小： | 0K |
| 描述： | SENSOR CURRENT 15A 5V MOD |
| 产品培训模块： | CAS Modules Overview |
| 产品目录绘图： | CAS(R) Series Side |
| 特色产品： | CAS Series |
| 标准包装： | 50 |
| 系列： | CAS |
| 电流 - 感应： | 15A |
| 精确度： | ±0.8% |
| 灵敏度： | 41.67mV/A |
| 传感器类型： | 磁通量闸门 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 输出： | 0 ~ 5 VDC |
| 频率： | 300kHz |
| 响应时间： | 300ns |
| 电极标记： | 双向 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 模块 |
| 包装： | 管件 |
| 产品目录页面： | 2809 (CN2011-ZH PDF) |
| 其它名称： | 398-1088-5 |
CAS series
Application information
Filtering and decoupling
Supply voltage V C
The fluxgate oscillator draws current pulses of up to 30 mA
at a rate of ca. 900 kHz. Significant 900 kHz voltage ripple
on V C can indicate a power supply with high impedance. At
these frequencies the power supply rejection ratio is low, and
the ripple may appear on the transducer output V OUT and
reference V REF . The transducer has internal decoupling
capacitors, but in the case of a power supply with high
impedance, it is advised to provide local decoupling (100 nF
or more, located close to the transducer).
Total Primary Resistance
The primary resistance is 0.72 m ? per conductor
In the following table, examples of primary resistance
according to the number of primary turns.
Output V OUT
The output V OUT has a very low output impedance of
typically 2 Ohms; it can drive 100 pF directly. Adding series
Rf = 100 Ohms allows much larger capacitive loads. Empirical
evaluation may be necessary to obtain optimum results.
The minimum load resistance on V OUT is 1 kOhm.
Number of
primary turns
Primary
resistance
R P [ m W ]
Recommended
connections
1
0.24
10
9
8
OUT
IN
1
2
3
2
1.08
10
9
8
OUT
IN
1
2
3
3
2.16
10
9
8
OUT
IN
1
2
3
Page 14/16
8March2012/version 7
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice
www.lem.com
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