LM3S5739-IQC50-A0T Texas Instruments Integrated Circuit (Other) In Stock
The LM3S5739-IQC50-A0T is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments with integrated ADC and on-chip peripherals. It operates at up to 50 MHz and is housed in a 100-pin LQFP package supporting a wide range of embedded control applications. Available with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S5739-IQC50-A0T Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32-bit ARM Cortex-M3 processor core delivering high computational performance for embedded control and signal processing tasks
- Integrated ADC channels enabling direct analog sensor interfacing without external conversion circuitry
- 100-pin LQFP package (S-PQFP-G100) providing abundant I/O connectivity for complex embedded system designs
- Stellaris LM3S family with comprehensive peripheral integration including UART, SPI, I2C, and PWM for versatile embedded applications
Applications
The LM3S5739-IQC50-A0T is used in industrial automation, motor control, and embedded instrumentation applications requiring a capable 32-bit microcontroller with integrated analog and digital peripherals. It is suitable for control panels, industrial gateways, and sensor hubs where the ARM Cortex-M3 core provides sufficient processing power for real-time control algorithms. Its rich peripheral set also supports building human-machine interfaces, data loggers, and communication nodes in distributed embedded systems.
Specifications
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | NO |
| CPU Family | CORTEX-M3 |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| JESD-30 Code | S-PQFP-G100 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 61 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP100,.63SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 65536 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 50MHz |
| Supply Voltage-Max | 2.75V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| HTS Code | 8542.31.00.25 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3S5739-IQC50-A0T:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP100
Frequently Asked Questions
What processor core does the LM3S5739-IQC50-A0T use?
The LM3S5739-IQC50-A0T is based on the 32-bit ARM Cortex-M3 processor core, which provides a deterministic instruction set, hardware multiply and divide, and an NVIC interrupt controller, making it well-suited for real-time embedded control applications requiring predictable response times.
Does the LM3S5739-IQC50-A0T have an integrated ADC?
Yes, the LM3S5739-IQC50-A0T includes an integrated ADC (Has ADC: YES), allowing direct digitization of analog sensor signals without requiring an external analog-to-digital converter, which reduces component count and simplifies PCB design in sensor-based embedded systems.
What package does the LM3S5739-IQC50-A0T use and how many pins does it have?
The LM3S5739-IQC50-A0T is housed in a 100-pin LQFP package (JESD-30 code S-PQFP-G100), providing a large number of I/O pins for connecting peripherals, communication interfaces, and analog inputs in complex embedded system designs.
What is the maximum clock frequency of the LM3S5739-IQC50-A0T?
The LM3S5739-IQC50-A0T supports operation at up to 50 MHz system clock frequency (the JESD spec field shows 0.032 MHz for a sub-spec field; the part number suffix IQC50 indicates 50 MHz), providing sufficient processing throughput for most embedded control, communication, and data logging applications.
What are typical applications for the LM3S5739-IQC50-A0T?
Typical applications include industrial motor control, building automation controllers, embedded data loggers, machine vision pre-processors, and communication gateway nodes. The ARM Cortex-M3 core and integrated peripheral set make it suitable for any application requiring a capable 32-bit MCU with mixed analog and digital interfacing.
Related Guides
TPS61291DRVR Selection Guide: Low-Quiescent-Current Boost Converters for IoT and Wearables
How to select the TPS61291DRVR and low-Iq boost converters for IoT, wearables, and coin-cell designs. Compares specs, packages, and alternatives from TI, ADI, and Microchip.
May 13, 2026
TMS5704357BZWTQQ1 Selection Guide: Choosing the Right TMS570 Automotive MCU Variant
Compare TMS570 automotive MCU variants by ASIL level, flash, package, and peripherals. Find the right fit from entry-level LQFP to the ASIL-D TMS5704357BZWTQQ1.
May 13, 2026
TI Hercules TMS5704357BZWTQQ1 Design Guide for Automotive ASIL-D and Industrial Functional Safety
Complete integration guide for the TI Hercules TMS5704357BZWTQQ1 dual-core lockstep Cortex-R5F MCU: lockstep CPU, ECC RAM, FlexRay/CAN-FD, and ASIL-D pitfalls.
May 12, 2026
PTN78000WAH Selection Guide: Choosing the Right 1.5 A 36 V Step-Down Power Module
Compare PTN78000WAH against PTN78000WAS, PTN78060WAH, and other 1.5A 36V step-down modules. Covers package, current rating, efficiency, and drop-in replaceability.
May 12, 2026
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.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”