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QBV25A

产品图片:2008121131202.jpg  



          QBV10/25A Hall-effect voltage Sensor Series

QBV10/25A series is a new generation of voltage sensor based on the principle of Hall-effect. It can be used for detecting DC、 pulse and various irregular waveform voltage under electrical isolation between output and input.

Electrical characteristics

 

Type

QBV10/25A

 

IPN

Primary nominal input current

10

mA

IP

Measuring primary current range                         

0~±14

mA

ISN

Nominal output current

25

mA

KN

Turns ratio

 2500:1000

 

RM

Measurement resistance (VC=±15V)

IP =±10mA时:  100~350

IP =±14mA时:  100~190

Ω

VC

Supply voltage

±12~±15(±5%)

V

IC

Current loss

VC=±15V             10+Is

mA

Vd

Insulation voltage

2.5KV AC/50Hz/1min

 

Dynamic characteristics

εL  

Linearity

 <0.2

%FS

X

Precision

TA =25℃ VC=15V         ±0.7                          

%

I0

Offset current

TA =25℃                 <±0.15

mA

IOT

Offset current temperature drift                                 

IP=0  TA =–10~+85℃     ±0.2~±0.9

mA/℃

TR

Response time

≤40

μs

Generic characteristics

TA

Operation temperature                 

–40~+85

TS

Storage temperature                 

–40~+125

RP

Primary internal resistance

200

Ω

RS

Secondary internal resistance                   

110

Ω

 

Standard

 

 

◆  alternating current variable-speed generator tracking

◆  electric welding equipment for the control of the welding current

◆      DC generator static electricity commutation

◆     UPS, switching power supplies

 

Advantages                            Typical applications

◆ excellent precision ,good linearity

◆ PCB installation , better anti-jamming capability

◆ good common-mode rejection ratio     

◆ low temperature drift, ,broad frequency band width               

◆ good current overload capability    

package outlinemm   

                   

circuit connection diagram

Elucidation

V+: Positive terminal of voltage  V-: negative terminal of voltage +:+15V  -:-15V   M:Iout  

      

 
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Phone:025-52619808   52619628   Fax:025-52619628
E-mail:hallsensor@hotmail.com、cgq@china-cgq.cn   Website:www.chinasensors.net   www:china-cgq.cn