INA129UAE4 Datasheet

Instrumentation Amplifiers


The INA129UAE4 is low power, general purpose instrumentation amplifiers offering excellent accuracy. The versatile 3-op amp design and small size make them ideal for a wide range of applications. Current-feedback input circuitry provides wide bandwidth even at high gain (200kHz at G = 100). A single external resistor sets any gain from 1 to 10,000. The INA129UAE4 provides an industry-standard gain equation; the INA129UAE4 gain equation is compatible with the AD620. The INA129UAE4 is laser trimmed for very low offset voltage (50µV), drift (0.5µV/°C) and high common-mode rejection (120dB at G ≥ 100). It operates with power supplies as low as ±2.25V, and quiescent current is only 700µA—ideal for batteryoperated systems. Internal input protection can withstand up to ±40V without damage. The INA128/INA129 is available in 8-pin plastic DIP and SO-8 surface-mount packages, specified for the –40°C to +85°C temperature range. The INA129UAE4 is also available in a dual configuration, INA129UAE4 Features • Low Offset Voltage: 50µv Max• Low Drift: 0.5µv/c Max• Low Input Bias Current: 5na Max• High Cmr: 120db Min• Inputs Protected To 40v• Wide Supply Range: 2.25v To 18v• Low Quiescent Current: 700µa• 8-pin Plastic Dip, So-8 INA129UAE4 Applications • Bridge Amplifier• Thermocouple Amplifier• Rtd Sensor Amplifier• Medical Instrumentation• Data Acquisition• Portable Battery Powered Equipment


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Manufacturer information


Littelfuse (NASDAQ: LFUS) - As the worldwide leader in circuit protection, Littelfuse offers POWR-GARD®, Teccor®, Wickmann®, Pudenz®, Hamlin®, PulseGuard® and SIDACtor® branded products, with a wide range of technologies such as Fuses and Accessories, PTCs, GDTs, Varistors, Polymer ESD Suppressors, Surge Protection Modules, TVS Diodes, TVS Diode Arrays (SPA® Diodes), Switching Thyristors, Power Modules, LED Protector, SIDACtor® Protection Thyristor as well as reed switches, relays and Hall Effect sensors. Littelfuse products are backed by more than 88 years of technology innovation, industry leading technical support, design and manufacturing expertise. Littelfuse products are vital components in virtually every product that uses electrical energy, including automobiles, computers, consumer electronics, handheld devices, industrial equipment, and telecom/datacom circuits

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