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Low Power Op Amps (<1 mA)

ST’s low-power op amp portfolio includes several series covering different voltage ranges, as well as many possible combinations of power consumption and gain bandwidth, providing the optimal performance for the appropriate power budget.

ST’s low-power operational amplifier solutions include widely used devices, but also provide design engineers with upgrade options such as better accuracy, a standby feature and small packages.

Low Power Op Amp

TSZ121 family: Ultra precision and low-power op amp for IoT applications

ST’s zero-drift op amps ideal choice for sensor and control interfaces in a wide range of battery-powered IoT applications.

The devices operate from 1.8V to 5.5V, with quiescent current below 40μA at 5V, gain-bandwidth product of 400kHz, and ultra-low input bias current.

  • The single-channel TSZ121 is pin- and package-compatible with comparable devices from other manufacturers.
  • The dual-channel TSZ122 offers popular MiniSO-8 and SO-8 packages plus the option of a miniature 2mm x 2mm DFN8.
  • The TSZ124 quad op amp in TSSOP-14 and 3mm x 3mm QFN16

This family provides the industry’s broadest choice of zero-drift op amps.

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