汉为T62seriesisolationamplifierReferencebook(VerEnglish).pdf资源-CSDN文库

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Copyright

2005 Highway Co., LTD. All Rights Reserved.

http://www.link-highway.com

Page 1 of 6

Low temperature drift

High accuracy

Multifunction

Small size

Features

z Patent protection

z International Standard DIP24/SOIC24

package (UL94-V0)

z Three-port isolation (Mutual 3000v isolation

among input, output and power)

z Frequency response: 20KHz.

z Operating temperature: -40℃~+85℃

z High efficiency micro-power isolation

power-supply build-in

z High accuracy: 0.1% (Without correction)

z Extremely low temperatures drift (<25ppm/℃)

z Voltage and current output

z Multi-protection (polarity, over-current,

over-heat, short circuit)

z High reliability (MTBF>1,000,000H)

z Low Nonlinearity: 0.015% max

Application

z Isolated 4-20mA current loop

z Isolated signal adjustor

z Isolated data-sampling board

z Isolated analog signal transfers

z GND loop elimination

z Remote supervisor

z Electric power system supervisor

z Industry process control

z Testing instruments

z Medical apparatus

z Pc-based data acquisition

Summarize

The T62 series are a kind of SIP (system in

package) and high performance active

isolated-amplifier with voltage signal input,

voltage and (or)current signal output. The products

can easily provide power for the input , with a

high-efficiency micro-power supply embedded

which is isolated from the output. Where the signal

isolation is required & the input source isolation is

required, the products can greatly make the design

simple and improve the system reliability. In

addition, The T62 series have extremely low

temperature drift characteristics; the isolation

voltage is high to 3000VDC.

Schematic illustrations

Vp+ & Vp- are the input of the module. Viso+ &

Viso- are the output of the embedded power supply,

which can supply the anterior circuit with isolated

power supply. The signal input provide the operator

a precise amplifier for signal pre-processing. Vi+ &

Vin- are the input of the amplifier while the FB is the

output. Different signal input is available when

users just connect a simple circuit with it. The

signal output is of a 0~20mA standard constant

current source can drive a 650Ω resistance. The

posterior is a voltage follower providing voltage

signal for operator and the measurement range can

be adjusted by an external resistance between the

Io and Vsg.

<

Figure1> Elements & Typical application

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