Nanopower (580nA) 5V CMOS Op-Amps, rail-to-rail input/output, dual

The TSU101, TSU102, and TSU104 operational amplifiers offer an ultra low-power consumption of 580 nA typical and 750 nA maximum per channel when supplied by 1.8 V. Combined with a supply voltage range of 1.5 V to 5.5 V, these features allow the TSU10x series to be efficiently supplied by a coin type Lithium battery or a regulated voltage in low-power applications.

The 8 kHz gain bandwidth of these devices make them ideal for sensor signal conditioning, battery supplied, and portable applications.

Key Features

  • Submicro ampere current consumption: 580 nA typ per channel at 25 °C at VCC = 1.8 V
  • Low supply voltage: 1.5 V - 5.5 V
  • Unity gain stable
  • Rail-to-rail input and output
  • Gain bandwidth product: 8 kHz typ
  • Low input bias current: 5 pA max at 25 °C
  • High tolerance to ESD: 2 kV HBM
  • Industrial temperature range: -40 °C to 85 °C
    • 42 years of typical equivalent lifetime (for TSU101) if supplied by a 220 mAh coin type Lithium battery
    • Tolerance to power supply transient drops
    • Accurate signal conditioning of high impedance sensors
    • Application performances guaranteed over industrial temperature range
    • Fast desaturation


Technical Documentation

Product Specifications
Description Version Size
DS9507 DS9507: Nanopower, rail-to-rail input and output, 5 V CMOS operational amplifiers 3.0 1 MB
Application Notes
Description Version Size
AN4348 AN4348: Signal conditioning for electrochemical sensors 2.0 1 MB
AN4368 AN4368: Signal conditioning for pyroelectric passive infrared (PIR) sensors 1.0 1002 KB
Technical Notes & Articles
Description Version Size
How to Extend the Performance of a Low Voltage Precision Op Amp to a High Voltage High Side Current Sensing Application 1.0 473 KB
Signal Conditioning for pyroelectric Passive InfraRed Sensors 1.1 171 KB
User Manuals
Description Version Size
Design Notes & Tips
Description Version Size
DT0073 DT0073: Optical heart rate monitoring – OHRM based on X-NUCLEO-IKA01A1 expansion board 1.0 1 MB

HW Model, CAD Libraries & SVD

HW Model, CAD Libraries & SVD
Description Version Size
ST library for all op amps and comparators SPICE models 4.0 51 KB
TSU series Pspice model 1.0 3 KB

Presentations & Training Material

Description Version Size
Health and Wellness Mobility Cloud computing 1 MB
ST Analog Products for Automotive applications 11.2017 2 MB
ST offering in Wearable - Analog and Mixed Signal Portfolio 3.0 1 MB
What does precision mean for an op amp? 1 MB

Publications and Collaterals

Selection Guides
Description Version Size
ST Analog cards High-performance operational amplifiers and comparators, the best choice for longevity, robustness and performance. 1.0 818 KB
Description Version Size
Operational amplifiers: performance, robust and advanced technology 2 MB
Products and solutions for Smart industry 2.0 5 MB

Tools and Software

Evaluation Tools
Solution Evaluation Tools
Support & Community

Sample & Buy

Part Number Package Packing Type Operating Temperature (°C) (min) Operating Temperature (°C) (max) Marketing Status Unit Price (US$) * Quantity ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors
TSU102IST MiniSO-8 Tape And Reel -40 85 Active 0.705 1000 NEC EAR99 MALAYSIA MORE INFO Get Sample Add to cart DISTRIBUTOR AVAILABILITY
TSU102IQ2T DFN8 2x2x0.75 Tape And Reel -40 85 Active 0.705 1000 NEC EAR99 CHINA MORE INFO Get Sample Add to cart DISTRIBUTOR AVAILABILITY

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

Quality & Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
TSU102IST ActiveMiniSO-8IndustrialEcopack3 0 0
TSU102IQ2T ActiveDFN8 2x2x0.75IndustrialEcopack3 0 0

(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.