OPA743NA Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The OPA743NA is a single-channel rail-to-rail input and output operational amplifier optimized for single-supply operation in a 5-pin SOT-23 package. Features wide output swing from rail to rail enabling maximum dynamic range at low supply voltages. From $1.00 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of OPA743NA?
- Rail-to-rail input and output swing maximizes signal dynamic range in single-supply battery-powered applications
- Single-channel op-amp in compact 5-pin SOT-23 package minimizes board real estate in portable and wearable designs
- Optimized for low-voltage single-supply operation, enabling integration in 3.3 V and 5 V microcontroller-based sensor circuits
What is OPA743NA used for?
The OPA743NA is well suited for portable instrumentation, sensor signal conditioning, and battery-powered data acquisition circuits where rail-to-rail swing ensures full dynamic range at supply voltages as low as 2.7 V. It is used in handheld medical devices and consumer electronics where compact 5-pin SOT-23 packaging reduces PCB footprint. The amplifier also fits low-power active filter and buffer designs in IoT edge nodes requiring single-supply operation.
What are the specifications of OPA743NA?
| YTEOL | EYTEOL |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Country of Origin | Country of Origin |
What are equivalent replacements for OPA743NA?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Where does the rail-to-rail behavior of OPA743NA help?
Its 1-channel rail-to-rail input and output architecture helps maximize signal range in low-voltage sensor conditioning, buffering, and portable analog designs.
Which footprint checks matter when replacing another single op amp?
OPA743NA uses a compact 5-pin SOT-23 package, so pin functions, land pattern, supply limits, and input common-mode range all require comparison.
How should buyers qualify offered stock for production?
Request Texas Instruments traceability, verify the complete 5-pin ordering code and package marking, and confirm lot condition before assembly release.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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