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ST rolls out 16V rail-to-rail op amps for industrial apps

18 May 2016  | Susan Nordyk

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STMicroelectronics has introduced four devices belonging to the TSX7 series of 16V rail-to-rail op amps that demonstrate an offset voltage of less than 200μV at 25°C. Low input offset voltage, common-mode rejection ratio, and temperature drift eliminate the need for trimming or calibration in assembled circuits, ensuring consistent performance over a temperature range of -40°C to 125°C, detailed the company.

TSX7 series

The CMOS op amps have a supply voltage range of 2.7V to 16V and low input bias current of 50pA maximum. Gain bandwidth product is 9MHz for the single TSX7191 and dual TSX7192 op amps and 2.7MHz for the single TSX711 and dual TSX712 op amps. The TSX711 and TSX712 are unity gain stable, while the TSX7191 and TSX7192 are stable when used with a gain of ≥10. Current consumption is just 850μA at 2.7MHz GBW or at 9MHz GBW with a gain of ≥10.

All of the TSX7 series op amps provide a minimum guaranteed common-mode rejection ratio of 91dB and have a maximum temperature drift of 2.5μV/°C. Their tolerance of electrostatic discharge of up to 4kV HBM makes the parts well-suited for such applications as industrial equipment, building automation, medical instrumentation, LED lighting, and automotive electronic control units.

Prices for the TSX7 series op amps start at $0.52 each in lots of 1000 units. Packaging options include SOT-23, MiniSO8 and SO8.




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