Product Summary

The ISO122JPE4 is a precision isolation amplifier 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, resulting in excellent reliability and good high frequency transient immunity across the barrier. Both barrier capacitors are imbedded in the plastic body of the package. The applicaitons of the ISO122JPE4 include industrial process control: Transducer Isolator, Isolator for Thermocouples, RTDs, Pressure Bridges, and Flow Meters, 4mA to 20mA loop isolation, ground loop elimination, motor and scr control, power monitoring, pc-based data acquisition and test equipment.

Parametrics

ISO122JPE4 absolute maximum ratings: (1)Supply Voltage: ±18V; (2)VIN:±100V; (3)Continuous Isolation Voltage: 1500Vrms; (4)Junction Temperature: +150℃; (5)Storage Temperature: +85℃; (6)Lead Temperature (soldering, 10s): +300℃; (7)Output Short to Common: Continuous.

Features

ISO122JPE4 features: (1)100% tested for high-voltage breakdown; (2)rated 1500Vrms; (3)high IMR: 140dB at 60Hz; (4)bipolar operation: VO = ±10V; (5)16-pin plastic DIP and 28-lead SOIC; (6)ease of use: Fixed Unity Gain Configuration; (7)0.020% max nonlinearity; (8)±4.5V to ±18V supply range.

Diagrams

ISO122JPE4 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
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ISO122JPE4
ISO122JPE4

Texas Instruments

Isolation Amplifiers Precision Low Cost Isolation Amp

Data Sheet

0-1: $12.88
1-10: $11.72
10-25: $10.82
25-50: $10.46
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