ISO121G-BI

更新时间： 2024-01-15 06:10:50

品牌	Logo	应用领域
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页数	文件大小	规格书
16页	183K
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ISO121G-BI 数据手册

ISO120

ISO121

Precision Low Cost

ISOLATION AMPLIFIER

FEATURES

APPLICATIONS

● 100% TESTED FOR PARTIAL DISCHARGE

● INDUSTRIAL PROCESS CONTROL: Trans-

ducer Isolator for Thermocouples, RTDs,

Pressure Bridges, and Flow Meters, 4mA

to 20mA Loop Isolation

● ISO120: Rated 1500Vrms

● ISO121: Rated 3500Vrms

● HIGH IMR: 115dB at 60Hz

● GROUND LOOP ELIMINATION

● MOTOR AND SCR CONTROL

● POWER MONITORING

● USER CONTROL OF CARRIER

FREQUENCY

● LOW NONLINEARITY: ±0.01% max

● BIPOLAR OPERATION: V_O= ±10V

● 0.3"-WIDE 24-PIN HERMETIC DIP, ISO120

● SYNCHRONIZATION CAPABILITY

● ANALYTICAL MEASUREMENTS

● BIOMEDICAL MEASUREMENTS

● DATA ACQUISITION

● TEST EQUIPMENT

● WIDE TEMP RANGE: –55°C to +125°C

(ISO120)

DESCRIPTION

The ISO120 and ISO121 are precision isolation ampli-

fiers incorporating a novel duty cycle modulation-

demodulation technique. The signal is transmitted

digitally across a 2pF differential capacitive barrier.

With digital modulation the barrier characteristics do

not affect signal integrity, which results in excellent

reliability and good high frequency transient immu-

nity across the barrier. Both the amplifier and barrier

capacitors are housed in a hermetic DIP. The ISO120

and ISO121 differ only in package size and isolation

voltage rating.

Isolation Barrier

C_1H

C_1L

C_2H

C_2L

Sense

V_IN

V_OUT

Signal

Com 1

Signal

Com 2

Ext Osc

+V_S1

–V_S2

These amplifiers are easy to use. No external compo-

nents are required for 60kHz bandwidth. With the

addition of two external capacitors, precision specifi-

cations of 0.01% max nonlinearity and 150µV/°C max

V_OSdrift are guaranteed with 6kHz bandwidth. A

power supply range of ±4.5V to ±18V and low quies-

cent current make these amplifiers ideal for a wide

range of applications.

Gnd 1

–V_S1

Gnd 2

+V_S2

International Airport Industrial Park

•

Mailing Address: PO Box 11400

Cable: BBRCORP

•

Tucson, AZ 85734

•

Street Address: 6730 S. Tucson Blvd.

•

Tucson, AZ 85706

Tel: (520) 746-1111 Twx: 910-952-1111

•

Telex: 066-6491

•

FAX: (520) 889-1510

•

Immediate Product Info: (800) 548-6132

PDS-820D

Printed in U.S.A. March, 1992

SBOS158

12 3 4 5 6 7...16

中文翻译

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