Description
The LM2901DT from STMicroelectronics is a high-precision, low-power quad voltage comparator designed for versatility and reliability. It is specifically engineered to operate from a single power supply over an extremely wide voltage range, though it also supports operation from split power supplies. A standout feature of this device is its input common-mode voltage range, which includes the negative rail even when operated from a single supply, providing excellent flexibility for diverse circuit designs.
Key Features
- Quad Comparator Architecture: Four independent, high-precision comparators housed in a 14-pin SOIC package.
- Flexible Input Range: Input common-mode voltage range includes ground, allowing for sensing near the negative rail.
- Low Output Saturation: Features a low output saturation voltage of 250mV.
- Differential Input Capability: The differential input voltage range is equal to the power supply voltage.
- Wide Logic Compatibility: Fully compatible with TTL, DTL, ECL, MOS, and CMOS output levels.
- Versatile Supply: Operates efficiently across a broad voltage spectrum from 2V to 36V.
Applications
- Industrial Instrumentation: Ideal for multi-channel threshold detection and limit-monitoring circuits.
- Automotive Electronics: Suited for control systems and sensor interfaces requiring high-temperature endurance.
- Power Management: Effective in battery-powered applications and voltage-level comparison tasks.
- Signal Processing: Flexible comparison functions for analog signal conditioning and data acquisition systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | LM2901DT |
| Brand | STMicroelectronics |
| No. of Channels | 4 |
| Supply Voltage | 2V to 36V |
| Operating Temp | –40°C to +125°C |
| Package/Case | SOIC (14 Pins) |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. Please refer to the official STMicroelectronics datasheet for complete electrical characteristics and application design details.










