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The TS7221 is a micropower comparator featuring a rail-to-rail input performance in a tiny SOT23-5 package. This comparator is ideally suited to space and weight-critical applications. It is fully specified at 2.7 V, 5 V and 10 V operation.
The TS7221 features an open-drain output stage. The speed-to-power ratio makes this device ultra-versatile for a wide range of applications.
Key Features
- Rail-to-rail inputs
- Open drain output
- Supply operation from 2.7 to 10 V
- Typical supply current: 6 μA at 5 V
- Response time of 0.5 μs at 5 V
- Low input current
- ESD protection: 2 kV (HBM), 200 V (MM)
- Available in tiny SOT23-5 package
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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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| TS7221AI1LT |
Active
|
SOT23-5L | Industrial | Ecopack3 | |
| TS7221AILT |
Active
|
SOT23-5L | Industrial | Ecopack3 | |
| TS7221BILT |
Active
|
SOT23-5L | 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 | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| TS7221BILT | No availability of distributors reported, please contact our sales office | Buy now |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 85 | MALAYSIA | 0.39 / 1k | |
| TS7221AILT | 3 distributors | Sample & Buy Buy now |
Active
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EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 85 | MALAYSIA | 0.43 / 1k | |
| TS7221AI1LT | 1 distributors | Buy now |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 85 | MALAYSIA | 0.389 / 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
