LM3S3826-IQR50-C3T Texas Instruments Integrated Circuit (Other) In Stock
The LM3S3826-IQR50-C3T is a 32-bit ARM Cortex-M3 microcontroller with integrated ADC, DMA, and 16 MHz maximum clock in a 64-pin LQFP package. It offers a rich peripheral set including multiple timers, UART, SPI, and I2C for industrial control applications. Available worldwide from authorized distributors with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 64
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S3826-IQR50-C3T 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
What are the key features of LM3S3826-IQR50-C3T?
- 32-bit ARM Cortex-M3 core at up to 16 MHz with DMA channels enabling background data transfers without CPU intervention
- Integrated ADC for on-chip analog signal acquisition, eliminating discrete ADC components in space-constrained embedded control designs
- 64-pin LQFP (JESD-30 S-PQFP-G64) package providing ample I/O for multi-peripheral industrial control applications with standard SMT footprint
What is LM3S3826-IQR50-C3T used for?
The LM3S3826-IQR50-C3T is suited for industrial control and automation applications where a 32-bit ARM Cortex-M3 processor must handle multi-channel analog acquisition and serial communication simultaneously. Its integrated ADC and DMA channels allow continuous sensor data collection at 16 MHz without stalling the main control loop, making it effective for motor control, building automation controllers, and industrial gateway modules. The 64-pin LQFP package provides sufficient GPIO and communication peripheral pins for complex control systems requiring UART, SPI, and I2C interfaces to sensors, actuators, and network modules.
What are the specifications of LM3S3826-IQR50-C3T?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | NO |
| Clock Frequency-Max | 16MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G64 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 33 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP64,.47SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 32768 |
| ROM (words) | 262144 |
| 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 | MATTE 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 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| HTS Code | 8542.31.00.25 |
Where can I find the LM3S3826-IQR50-C3T datasheet?
LM3S3826-IQR50-C3T Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S3826-IQR50-C3T?
Compatible alternatives and drop-in replacements for LM3S3826-IQR50-C3T:
Frequently Asked Questions
How does the DMA in the LM3S3826-IQR50-C3T improve ADC data throughput in a continuous sampling application?
The DMA channels transfer ADC conversion results directly to RAM without CPU intervention, allowing the 16 MHz ARM Cortex-M3 core to execute control algorithms while ADC sampling continues in the background. This parallelism prevents the CPU stalls that occur with interrupt-driven ADC reads, enabling higher effective sample rates and more deterministic control loop timing in motor control and industrial sensor applications.
For a building automation controller, how many serial communication peripherals does the LM3S3826-IQR50-C3T provide in its 64-pin LQFP package?
The LM3S3826-IQR50-C3T offers multiple UART, SPI, and I2C channels within the 64-pin LQFP footprint, supporting concurrent connections to RS-485 field buses, SPI sensor modules, and I2C EEPROMs or RTC devices. The 64 pins provide enough signal I/O to use several of these interfaces simultaneously without external multiplexers, which simplifies wiring in multi-zone building automation nodes.
When is the LM3S3826-IQR50-C3T a practical lower-cost alternative to a higher-clock-speed Cortex-M4 MCU for industrial control?
The LM3S3826-IQR50-C3T at 16 MHz is sufficient for control loops that update at rates below 10 kHz and do not require floating-point-intensive algorithms, covering a broad range of relay control, PID regulation, and protocol gateway tasks. Choosing it over a faster Cortex-M4 saves cost and power when the application fits within 16 MHz headroom, and the on-chip ADC and DMA eliminate discrete peripherals that would otherwise increase BOM cost in a cost-sensitive industrial design.
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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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