TSU111/TSU112 Nanopower High Accuracy CMOS Operational Amplifiers

STMicroelectronics' TSU11x operational amplifiers (op amps) are ideal for sensor signal conditioning, battery supplied, and portable applications

Image of STMicroelectronics' TSU111/TSU112 Nanopower High Accuracy CMOS Operational AmplifiersSTMicroelectronics’ TSU111 single version and TSU112 dual version op amps offer an ultra-low power consumption per channel of 900 nA typical and 1.2 µA maximum when supplied by 3.3 V. Combined with a supply voltage range of 1.5 V to 5.5 V, these features allow the TSU11x to be efficiently supplied by a coin type Lithium battery or a regulated voltage in low-power applications. The high accuracy of 150 µV maximum and 11.5 kHz gain bandwidth make the TSU11x ideal for sensor signal conditioning, battery supplied, and portable applications.

Features

  • Sub-micro ampere current consumption: ICC = 900 nA typical at +25°C
  • Low offset voltage: 150 µV max at +25°C, 235 µV max over full temperature range (-40°C to +85°C)
  • Low noise over 0.1 Hz to 10 Hz bandwidth: 3.6 µVPP
  • Low supply voltage: 1.5 V to 5.5 V
  • Rail-to-rail input and output
  • Gain bandwidth product: 11.5 kHz typical
  • Low input bias current: 10 pA max at +25°C
  • High tolerance to ESD: 4 kV HBM
  • More than 25 years of typical equivalent lifetime supplied by a 220 mA.h CR2032 coin type Lithium battery
  • High accuracy without calibration
  • Tolerance to power supply transient drops
Applications
  • CO, O2, and H2S gas sensors
  • PIR sensors alarms
  • Signal conditioning for energy harvesting and wearable products 
  • Ultra-long life battery-powered applications
  • Battery current sensing
  • Active RFID tags

TSU111/TSU112 Nanopower High Accuracy CMOS Operational Amplifiers

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
TSU111ICT datasheet linkIC OP AMP CMOS SC70-5TSU111ICTIC OP AMP CMOS SC70-51194 - Immediate
TSU111ICT product page link
TSU111IQ1T datasheet linkIC OP AMP CMOS DFN6TSU111IQ1TIC OP AMP CMOS DFN61323 - Immediate
TSU111IQ1T product page link
TSU112IST datasheet linkCONDITIONING & INTERFACESTSU112ISTCONDITIONING & INTERFACES1000 - Immediate
TSU112IST product page link
TSU112IQ2T datasheet linkCONDITIONING & INTERFACESTSU112IQ2TCONDITIONING & INTERFACES1000 - Immediate
TSU112IQ2T product page link
Published: 2018-10-11