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TI OPA2320 operational amplifiers

Texas Instruments expanded its 1.8-V precision operational amplifier (op amp) portfolio with a new line of devices for low-noise, high-impedance sensor measurement .

The first product in the OPAx320 family, the two-channel OPA2320, provides 20 MHz of gain bandwidth and 0.2 pA input bias current (Ib) to enable very high accuracy and dynamic range for high-impedance optical and chemical sensor front ends, programmable logic controllers, motor control loops, and test and measurement equipment.

Key highlights :

  • Offer a maximum input bias current of 0.9 pA to support high-impedance sensor signal conditioning.
  • Deliver precision with zero crossover distortion, delivering a maximum offset voltage of 150 uV, high common mode rejection rate of 114 dB and rail-to-rail input/output to drive low-power, successive approximation (SAR) analog-to-digital converters (ADCs) up to 1 MSPS.
  • Combine low noise of 7nV/√Hz at 10 kHz and wide gain-bandwidth of 20 MHz at a low quiescent current of 1.45 mA per channel for use as an active filter in automated test equipment.


Pricing : Starts at $0.80 for 1,000-unit quantities.

Availability : The OPA2320 is available now in a 3-mm x 4.9-mm MSOP-8 package; 4.9-mm x 6-mm SOIC-8 and 3-mm x 3-mm SON-8 package options will be available in March. The single-channel OPA320 will be available in April in a 3.9-mm x 2.8-mm SOT23-5 package.

Datasheet : Click here.

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