DALLAS, USA: Texas Instruments Inc. (TI) has expanded its 1.8-V precision operational amplifier (op amp) portfolio with a new line of op amps 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 features and benefits
The OPAx320 family features the most power-efficient, wideband, low-noise precision op amps from TI. The products:
* 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), such as TI's ADS8319, ADS8327 and ADS7279, up to 1 MSPS.
* Combine low noise of 7nV/rtHz 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.
Tuesday, February 1, 2011
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