OPA381AIDRBTG4 Datasheet

High Speed Operational Amplifiers


The OPA381AIDRBTG4 family of transimpedance amplifiers provides 18MHz of Gain Bandwidth (GBW), with extremely high precision, excellent long-term stability, and very low 1/f noise.The OPA381AIDRBTG4 features an offset voltage of 25μV (max), offset drift of 0.1μV/°C (max), and bias current of 3pA. The OPA381AIDRBTG4 far exceeds the offset, drift, and noise performance that conventional JFET op amps provide. OPA381AIDRBTG4 Features • Over 250khz Transimpedance Bandwidth• Dynamic Range: 5 Decades• Excellent Long-Term Stability• Low Voltage Noise: 10nv/√Hz• Bias Current: 3pa• Offset Voltage: 25μV (Max)• Offset Drift: 0.1μV/°C (Max)• Gain Bandwidth: 18mhz• Quiescent Current: 800μA• Fast Overload Recovery• Supply Range: 2.7v To 5.5v• Single And Dual Versions• Micropackage: Dfn-8, Msop-8


[{"Name":"Number of Channels ","Value":"1"},{"Name":"Voltage Gain dB ","Value":"135 dB"},{"Name":"Input Offset Voltage ","Value":"0.025 mV "},{"Name":"Slew Rate ","Value":"12 V/us"},{"Name":"Operating Supply Voltage ","Value":"5.5 V "},{"Name":"Supply Current ","Value":"1 mA "},{"Name":"Maximum Operating Temperature ","Value":"+ 125 C"},{"Name":"Mounting Style ","Value":"SMD/SMT "},{"Name":"Package / Case ","Value":"SON-8 "},{"Name":"Packaging ","Value":"Reel"}]

Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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