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SHENZHEN SUNYUAN TECHNOLOGY CO., LTD.
ISO- 1003 Two wires 4-20mA current loop Isolated Amplifier IC
www..com
ISO series ISO1003 3000VDC Isolation 4-20mA current loop isolation interface IC DIP24 Pin package
ISO 1003 choose type: ISO- 1003- Input-Output
Input rated voltageor current
U10-75mV U20-100mV U30-5V U4: 0-10V U5: 0-2.5V A10-1mA A2:0~10mA
Output
Two wires 4-20mA
Feature: *Low cost,small volume,standard DIP24 Pin package *Signal input /output 3000VDC isolation *Current supplied by 4-20mA current loopvoltage range:12-32VDC *Low impedance signal input *0-5V input,100 or 250 or 500 resistance bypass series-wound circuits *provide 5V/3.5mA isolated power supply for user and 2.5V norm power supply in input pot. *High linearity(Nonlinearity <0.2%Distortion<0.2%) *Industrial level temperature(-45~+85) Application: *Analog signal data acquisition and isolation *4-20mA signal transmit *Industrial process signal transform *Ground interference control *No distortion in long-distance signal transmission *Electric supervisionmedical instrument isolated safe bar *Instrument signal acquisition Description: ISO 1003 two wires voltage isolated transmitter is 4-20mA current loop isolated interface module,its internal contains current signal modems circuit,electromagnetism change circuit and demodulation circuit.The module 4-20mA supply 12~32VDC power supply.Input voltage signal is 0~75mVDC or higher.
Shenzhen Sunyuan Technology CO., Ltd.
sales02@szsunyuan.com
ISO-AMP
SHENZHEN SUNYUAN TECHNOLOGY CO., LTD.
ISO- 1003 Two wires 4-20mA current loop Isolated Amplifier IC
www..com
General parameter: Parameter
Isolation Voltage Norm Voltage Norm Voltage Current Precision Signal Output Vd Voltage Output Vd Load Capability Power Range Operating Temperature Storage Temperature
Test Condition
AC,50Hz,1min 24V power (Vref) 24V power (Iref) RL=250 RL=250 24V power (Vref) 24V power (Iref) V+
MIN
1500 2.475 100
TYP
2500 2.495
MAX
Unit V(rms)
2.515
VDC A
0.5 4 4.8 2 9 16.5 -40 -55 24 24 4~20 5.0
0.6 20 5.2
%FSR mA VDC mA
32 36 85 125
V
Application 1:
Input0~2.5V Output4~20mA(two wires current loop)
ISO 1003
11
Vd VREF V+
24
2.5V
12
51K 20K VIN 2.5V R1 15K R2 I3 I2
R4 R3 ZA I1
14 13
24V RL Vin+ GND
23
Io
Iout
I2=VIN/(R1+R2) I3=40uA Iout=I1*100 Iout=4mA+100*VIN/(R1+R2)
When input 0~100mV ,R1=500 ohm,R2=200 ohm.
Figure1
ISO 1003 Application
Shenzhen Sunyuan Technology CO., Ltd.
sales02@szsunyuan.com
ISO-AMP
SHENZHEN SUNYUAN TECHNOLOGY CO., LTD.
ISO- 1003 Two wires 4-20mA current loop Isolated Amplifier IC
www..com
Physical Dimensions and PCB Dimensions:
Pin Description:
NC NC NC
V+ Io NC NC
NC GND Vd Vref
PIN Description:
1-3 NC
NC
NC ZA Vin+ GND
9 NC
NC
10 GND
Ground
11 VD
Vin
12 VREF
Vin
13 GND
Ground
14 VIN+
Vin
15 ZA
"ZER O"
16 NC
NC
21 NC
NC
22 NC
NC
23 IO
Io
24 V+
Vout 24V
Shenzhen Sunyuan Technology CO., Ltd.
sales02@szsunyuan.com
ISO-AMP

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