LM3S1625-IQR50-A0 Texas Instruments Integrated Circuit (Other) In Stock
LM3S1625-IQR50-A0 is a 32-bit ARM Cortex-M3 microcontroller by Texas Instruments. Key specs: 50 MHz max clock, integrated ADC, JTAG boundary scan, 64-pin LQFP package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 64
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S1625-IQR50-A0 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 CPU core running up to 50 MHz for real-time embedded processing
- Integrated ADC and JTAG boundary scan for analog data acquisition and board-level debug
- 64-pin LQFP (MS-026BCD) RoHS-compliant package for industrial-grade embedded designs
Applications
The LM3S1625-IQR50-A0 is designed for industrial control, motor drive, and sensor interface applications requiring a 32-bit microcontroller with on-chip ADC. Its Cortex-M3 core at up to 50 MHz delivers deterministic real-time performance for PID loops, protocol stacks, and HMI tasks. The 64-pin LQFP footprint suits space-constrained boards in automation and instrumentation equipment.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | CORTEX-M3 |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | YES |
| JESD-30 Code | S-PQFP-G64 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of I/O Lines | 33 |
| Number of Serial I/Os | 7 |
| 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 | QFP64,.47SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 32768 |
| 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 | 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, RISC |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3S1625-IQR50-A0:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP64
Frequently Asked Questions
What is the CPU architecture and maximum clock speed of the LM3S1625-IQR50-A0?
The LM3S1625-IQR50-A0 uses a 32-bit ARM Cortex-M3 core clocked at up to 50 MHz. This fixed-point architecture delivers deterministic performance for embedded control loops, making it suitable for motor drive, industrial automation, and sensor data processing applications where real-time response within microseconds is required.
Does the LM3S1625-IQR50-A0 include an ADC, and how does that benefit sensor applications?
Yes, the LM3S1625-IQR50-A0 integrates an ADC, eliminating the need for an external converter in sensor-interface designs. This enables direct connection to analog sensors such as temperature probes, pressure transducers, or current shunts, reducing BOM cost and PCB area in 64-pin LQFP-packaged embedded systems.
When would a designer choose LM3S1625-IQR50-A0 over a higher-end Cortex-M4 device?
The LM3S1625-IQR50-A0 is appropriate when the application requires a 32-bit Cortex-M3 core at 50 MHz with JTAG boundary scan but does not need DSP extensions or floating-point hardware. For cost-sensitive industrial designs using fixed-point math, it provides the right balance of performance in a compact 64-pin LQFP package.
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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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