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ISO174, ISO175, ISO176

Table of contents:
Info of ISO174
Info of ISO175
Info of ISO176

ISO174, ISO175, ISO176 Selling Leads, Datasheet

MFG:BB Package Cooled:N/S D/C:08.09+

ISO174, ISO175, ISO176 Datasheet download

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Part Number: ISO174

MFG: BB

Package Cooled: N/S

D/C: 08.09+

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ISO174 General Description

ISO164 and ISO174 are PGA input isolation amplifiers incorporating a novel duty cycle modulation-demodulation technique which provides excellent accuracy. Internal input protection can withstand up to ±40V differential inputs without damage. The signal is transmitted digitally across a differential capacitive barrier. With digital modulation the barrier characteristics do not affect signal integrity. This results in excellent reliability and good high frequency transient immunity across the barrier. Both the amplifier and barrier capacitors are housed in a plastic DIP. ISO164 and ISO174 differ in frequency response and linearity.

These amplifiers are easy to use. No external components are required. A power supply range of ±4.5V to ±18V makes these amplifiers ideal for a wide range of applications.

ISO174 Maximum Ratings

Supply Voltage .................................................................................. ±18V
V_IN, Analog Input Voltage Range ...................................................... ±40V
External Oscillator Input ................................................................... ±25V
Signal Common 1 to Ground 1 ............................................................ ±1V
Signal Common 2 to Ground 2 ............................................................ ±1V
Continuous Isolation Voltage .................................................... 1500Vrms
IMV, dv/dt .................................................................................... 20kV/ms
Junction Temperature ...................................................................... 150°C
Storage Temperature ....................................................... 40°C to 125°C
Lead Temperature (soldering, 10s) ............................................... +300°C
Output Short Duration .......................................... Continuous to Common

ISO174 Features

· RATED
1500Vrms Continuous
2500Vrms for One Minute
100% TESTED FOR PARTIAL DISCHARGE
· PROGRAMMABLE GAINS OF 1, 10, 100
· HIGH IMR: 115dB at 50Hz
· LOW NONLINEARITY: ±0.01%
· LOW INPUT BIAS CURRENT: ±5nA max
· INPUTS PROTECTED TO ±40V
· BIPOLAR OPERATION: V_O = ±10V
· SYNCHRONIZATION CAPABILITY
· 24-PIN PLASTIC DIP: 0.6" Wide

ISO174 Typical Application

· INDUSTRIAL PROCESS CONTROL
Transducer Isolator, Thermocouple
Isolator, RTD Isolator, Pressure Bridge
Isolator, Flow Meter Isolator
· POWER MONITORING
· MEDICAL INSTRUMENTATION
· ANALYTICAL MEASUREMENTS
· BIOMEDICAL MEASUREMENTS
· DATA ACQUISITION
· TEST EQUIPMENT
· POWER MONITORING
· GROUND LOOP ELIMINATION

ISO174 Connection Diagram

ISO175 General Description

ISO165 and ISO175 are precision isolated instrumentation amplifiers incorporating a novel duty cycle modulation-demodulation technique and excellent accuracy. A single external resistor sets the gain. Internal input protection can withstand up to ±40V without damage. The signal is transmitted digitally across a differential capacitive barrier. With digital modulation the barrier characteristics do not affect signal integrity. This results in excellent reliability and good high frequency transient immunity across the barrier. Both the amplifier and barrier capacitors are housed in a plastic DIP. ISO165 and ISO175 differ in frequency response and linearity.

These amplifiers are easy to use. A power supply range of ±4.5V to ±18V makes these amplifiers ideal for a wide range of applications.

ISO175 Maximum Ratings

Supply Voltage ................................................................................... ±18V
Analog Input Voltage Range .............................................................. ±40V
External Oscillator Input ..................................................................... ±25V
Com 1 to GND1 ..................................................................................... ±1V
Com 2 to GND2 ..................................................................................... ±1V
Continuous Isolation Voltage: ...................................................... 1500Vrms
IMV, dv/dt ........................................................................................20kV/ms
Junction Temperature ....................................................................... 150°C
Storage Temperature .....................................................40°C to +125°C
Lead Temperature (soldering, 10s) ................................................ +300°C
Output Short Duration .............................................. Continuous to Common

ISO175 Features

·RATED 1500Vrms Continuous 2500Vrms for One Minute 100% TESTED FOR PARTIAL DISCHARGE ·HIGH IMR: 115dB at 50Hz ·LOW NONLINEARITY: ±0.01% ·LOW INPUT BIAS CURRENT: 10nA max ·LOW INPUT OFFSET VOLTAGE: 101mV max ·INPUTS PROTECTED TO ±40V ·BIPOLAR OPERATION: VO = ±10V ·SYNCHRONIZATION CAPABILITY ·24-PIN PLASTIC DIP: 0.3" Wide

ISO175 Typical Application

·INDUSTRIAL PROCESS CONTROL Transducer Isolator, Thermocouple Isolator, RTD Isolator, Pressure Bridge Isolator,
Flow Meter Isolator
·POWER MONITORING
·MEDICAL INSTRUMENTATION
·ANALYTICAL MEASUREMENTS
·BIOMEDICAL MEASUREMENTS
·DATA ACQUISITION
·TEST EQUIPMENT
·POWER MONITORING
·GROUND LOOP ELIMINATION

ISO175 Connection Diagram

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