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Transimpedance Amplifier, 5.5 V, 90 MHz, 7.5 mA, 9.5 mA, 400 mV, MSOP


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Product Overview

The OPA380AIDGKT is a precision high-speed Transimpedance Amplifier provides high-speed (90MHz gain bandwidth (GBW)) operation, with extremely high precision, excellent long-term stability and very low 1/f noise. It is ideally suited for high-speed photodiode applications. The OPA380 features an offset voltage of 25µV, offset drift of 0.1µV/°C and bias current of 50pA. The OPA380 far exceeds the offset, drift and noise performance that conventional JFET op-amps provide. The signal bandwidth of a transimpedance amplifier depends largely on the GBW of the amplifier and the parasitic capacitance of the photodiode, as well as the feedback resistor. The 90MHz GBW of the OPA380 enables a transimpedance bandwidth of >1MHz in most configurations. The OPA380 is ideally suited for fast control loops for power level on an optical fibre. As a result of the high precision and low-noise characteristics of the OPA380, a dynamic range of 4 to 5 decades can be achieved.
  • Excellent long-term VOS stability
  • 80V/µs Typical slew rate
  • 105dB Typical CMRR
  • 0.03µV/°C Typical offset drift
  • Green product and no Sb/Br


Signal Processing, Industrial

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MSL 2 - 1 year
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