LM3S3749-IQC50-A0 Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
The LM3S3749-IQC50-A0 is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments, clocked up to 50MHz with integrated ADC, DMA channels, and JTAG boundary scan in a quad flat package. It features fixed-point processing, on-chip peripherals, and a lead-free package for embedded control applications. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 100
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- LM3S3749-IQC50-A0 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $27.5537(MOQ 90)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3S3749-IQC50-A0?
- 32-bit ARM Cortex-M3 core running up to 50MHz delivering high-performance fixed-point embedded processing
- Integrated ADC and DMA channels enabling real-time data acquisition and efficient memory transfers without CPU intervention
- JTAG boundary scan support simplifying board-level testing and in-system debugging of embedded designs
- Lead-free QFP package with broad peripheral integration reducing external component count in embedded control systems
What is LM3S3749-IQC50-A0 used for?
The LM3S3749-IQC50-A0 is targeted at industrial control, motor drive, building automation, and embedded connectivity applications where a 32-bit Cortex-M3 processor with integrated analog and digital peripherals is required. Its on-chip ADC enables direct sensor interfacing while the DMA channels facilitate high-throughput data movement between peripherals and memory without CPU overhead. The 50MHz clock speed and Cortex-M3 instruction set efficiency make it suitable for real-time control loops and communication protocol stacks in embedded systems.
What are the specifications of LM3S3749-IQC50-A0?
| Pbfree Code | Yes |
| YTEOL | 3.9 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | CORTEX-M3 |
| Clock Frequency-Max | 50MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | YES |
| JESD-30 Code | S-PQFP-G100 |
| JESD-609 Code | e4 |
| Low Power Mode | YES |
| Number of I/O Lines | 61 |
| Number of Serial I/Os | 3 |
| Number of Timers | 4 |
| On Chip Data RAM Width | 8 |
| 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) | 65536 |
| ROM Programmability | FLASH |
| Speed | 50MHz |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| 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 | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.75 |
| Country of Origin | Philippines |
Where can I find the LM3S3749-IQC50-A0 datasheet?
LM3S3749-IQC50-A0 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S3749-IQC50-A0?
Compatible alternatives and drop-in replacements for LM3S3749-IQC50-A0:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP100
Frequently Asked Questions
What CPU core does the LM3S3749-IQC50-A0 use?
The LM3S3749-IQC50-A0 is based on the ARM Cortex-M3 32-bit processor core, which provides an efficient instruction set with hardware fixed-point operations, Thumb-2 instruction support, and a nested vectored interrupt controller for deterministic real-time embedded applications.
What is the maximum clock frequency of the LM3S3749-IQC50-A0?
The LM3S3749-IQC50-A0 operates at a maximum clock frequency of 50MHz, providing sufficient processing throughput for embedded control tasks including PID loops, communication protocol handling, and real-time sensor data processing in industrial applications.
Does the LM3S3749-IQC50-A0 include an ADC?
Yes, the LM3S3749-IQC50-A0 integrates an on-chip ADC, enabling direct analog-to-digital conversion of sensor and signal inputs without requiring an external ADC IC, which simplifies circuit design and reduces PCB area and component count.
What package does the LM3S3749-IQC50-A0 use?
The LM3S3749-IQC50-A0 is housed in a quad flat package (QFP) format, providing a sufficient pin count for connecting external memory, communication interfaces, and peripheral devices in embedded control system designs, with standard SMT assembly compatibility.
What are typical applications for the LM3S3749-IQC50-A0?
Typical applications include industrial motor control, building automation systems, smart metering, embedded communication gateways, and IoT edge controllers where a 32-bit Cortex-M3 MCU with integrated ADC, DMA, and boundary scan debug capabilities simplifies embedded system development and testing.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 90+ | $27.5537 | $2479.83 |
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