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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
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- 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
Development Tools
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Picture Part number Manufacturer Description 
ST-OPAMPS-APP ST Operational amplifier and comparator application for smartphones and tablets Part NumberOperational amplifier and comparator application for smartphones and tablets
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Evaluation Tools
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Picture Part number Manufacturer Description 
STEVAL-IDI009V1 -- Evaluation board for passive infrared sensor signal conditioning based on TSU102 Part NumberEvaluation board for passive infrared sensor signal conditioning based on TSU102
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| TSU102IQ2T | Active | DFN8 2x2x0.75 | Industrial | Ecopack3 | |
| TSU102IST | Active | MiniSO-8 | Industrial | Ecopack3 |
(**) The Material Declaration forms available on st.com 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.
Sample & Buy
| Part Number | Order from Distributors | Order from ST | Package | Packing Type | Temperature (°C) | Marketing Status | ECCN (US) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | ||||||||||
| TSU102IST | 5 distributors | Get sample | MiniSO-8 | Tape And Reel | -40 | 85 | Active | EAR99 | MALAYSIA | 0.705 / 1k | |
| TSU102IQ2T | 4 distributors | Get sample | DFN8 2x2x0.75 | Tape And Reel | -40 | 85 | Active | EAR99 | CHINA | 0.705 / 1k | |
(*) 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
