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参数资料
| 型号： | CTSR 0.3-P |
| 厂商： | LEM USA Inc |
| 文件页数： | 8/11页 |
| 文件大小： | 0K |
| 描述： | TRANSDUCER CURRENT 0.3A 15V |
| 产品培训模块： | CTSR Series Current Transducers |
| 标准包装： | 25 |
| 系列： | CTSR |
| 电流 - 感应： | ±500mA |
| 精确度： | ±1.9% |
| 电流 - 电源： | 17.5mA |
| 传感器类型： | 磁通量闸门 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 输出： | 电压 |
| 频率： | 3.5kHz |
| 响应时间： | 50µs |
| 电极标记： | 双向，单向 |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 模块 |
| 包装： | 散装 |
| 其它名称： | 398-1112 CTSR 0.3-P-ND |
The V ref pin has two modes Ref out and Ref In:
I PRM 500 mA
to 4 V and is directly used by the transducer as the reference point for measurements. The external reference voltage
V ref must be able:
o either to source a typical current of , the maximum value will be 3 mA when V ref = 4 V.
o or to sink a typical current of , the maximum value will be 0.4 mA when V ref = 2.3 V.
CTSR Series
Application information
Filtering, decoupling CTSR transducer
Supply voltage U c (5 V):
The CTSR transducers have internal decoupling capacitors, but in the case of a power supply track on the application PCB having
a high impedance, it is advised to provide local decoupling, 100 nF or more, located close to the transducer.
Reference V ref
Ripple present on the V ref pin can be filtered with a low value of capacitance because of the internal 499 ohm series resistance.
The CTSR transducers have an internal capacitor of 22 nF between V ref pin and Gnd pin and the maximum filter capacitance value
which could be added is 1 μF. Adding a larger decoupling capacitor will increase the activation delay of degauss.
Output V out
The CTSR transducers have an internal low pass filter 470 ohm/22 nF; if a decoupling capacitor is added on V out pin, the bandwidth
and the response time will be affected. In case of short circuit, the transducer CTSR can source or sink up to a maximum of 10
mA on its output V out .
Using an external reference voltage
If the V ref pin of the transducer is not used it could be either left unconnected or filtered according to the previous paragraph
“Reference V ref ”.
600
bythe
? In the Ref out mode the 2.5 V internal precision reference is used 400 transducer as the reference point for bipolar
measurements; this internal reference is connected to the V ref pin of the transducer through a 499 ohms resistor. It
200
tolerates sink or source currents up to ± 5 mA, but the 499 ohms resistor prevents this current to exceed these limits.
? In the Ref In mode, an external reference voltage is connected to the V ref pin; this voltage is specified in the range 2.3
0
Vref ? 2 .5 -200
499
-400
2.5 ? Vref
499 -600
2 3 4
V (V)
The following graphs show how the measuring range of the transducer depends on the external reference voltage value V ref
( U c = 5 V).
600
400
200
0
-200
-400
I PRM 500 mA
1000
800
600
400
200
0
-200
-400
-600
I PRM 850 mA
-600
2
3
V ref (V)
4
-800
-1000
2
3
V ref (V)
4
limit:
800 V mA ref
600
400
Upper 1000 I P = 500 mA ( V ref = 2.3 .. 2.625 V)
Upper limit: I P = -250* V ref +1156.25 I PRM ( 850 = 2.625 .. 4 V)
Lower limit: I P = -250* V ref +93.75 ( V ref = 2.3 .. 2.375 V)
Lower limit: I P = -500 mA ( V ref = 2.375 .. 4 V)
200
0
Upper limit: I P = 850 mA
Upper limit: I P = -403.88* V ref +1867.93
Lower limit: I P = -403.88* V ref +151.45
Lower limit: I P = -850 mA
( V ref = 2.3 .. 2.52 V)
( V ref = 2.52 .. 4 V)
( V ref = 2.3 .. 2.48 V)
( V ref = 2.48 .. 4 V)
Page 8/11
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28January2014/version 7
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-600
-800
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| CTSR-1 | 制造商:ITW Chemtronics 功能描述:Chemical,Silicone Conformal Coating,1 gallon 制造商:ITW Chemtronics 功能描述:CHEMICAL COATING, 1GAL, Coating Type:Conformal, Series:Konform SR, Chemical Colo |
| CTSR-12 | 功能描述:化学物质 RoHS:否 制造商:3M Electronic Specialty 产品:Adhesives 类型:Epoxy Compound 大小:1.7 oz 外壳:Plastic Tube |
| CTSR-HV1 | 制造商:ITW Chemtronics 功能描述:pail or bottle // 1 gallon |
| CTSS0000 | 制造商:Red Lion Controls 功能描述:CURRENT SWITCH, SPLIT CASE 制造商:Red Lion Controls 功能描述:CURRENT SWITCH SPLIT CASE 制造商:Red Lion Controls 功能描述:CURRENT SWITCH,SPLIT CASE |
| CTS-S12/12 | 制造商:DEUTSCH CONNECTORS 功能描述:Cross Referenced to DEUTSCH CONNECTORS - Part: DCHM39029/22-605 |
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