Overview
The LMV331IDCKTG4, produced by Texas Instruments, is a single low-voltage comparator that operates within the LMV33x family. This device is designed for low-voltage operation, low power consumption, and space-saving applications, making it ideal for portable consumer products and industrial equipment. The LMV331 is a cost-effective solution that offers specifications comparable to the traditional LM339 and LM393 comparators but with significantly lower supply current.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC+) | 2.7 | - | 5.5 | V |
| Input Common-Mode Voltage Range (VICR) | -0.1 | - | VCC-0.7 | V |
| Input Offset Voltage (VIO) | - | 7 | 9 | mV |
| Input Bias Current (IIB) | - | 250 | 400 | nA |
| Output Saturation Voltage (VSAT) | - | 200 | 400 | mV |
| Propagation Delay High to Low (tPHL) | - | 1000 | - | ns |
| Propagation Delay Low to High (tPLH) | - | 500 | - | ns |
| Supply Current (ICC) | 40 | 100 | 150 | μA |
Key Features
- Low supply current: 40 μA to 150 μA typical, depending on the supply voltage.
- Low output saturation voltage: 200 mV typical.
- Open-collector output for maximum flexibility.
- Input common-mode voltage range includes ground.
- Low power operation: Suitable for battery-powered devices.
- Compact packaging: Available in SC70 (DBV or DCK) packages.
Applications
- Hysteresis comparators.
- Oscillators.
- Window comparators.
- Industrial equipment.
- Test and measurement equipment.
- Level shifting to higher or lower voltage levels.
- General comparator applications in portable consumer products.
Q & A
- What is the supply voltage range for the LMV331? The supply voltage range is from 2.7 V to 5.5 V.
- What is the typical supply current for the LMV331? The typical supply current is 100 μA.
- What is the input common-mode voltage range for the LMV331? The input common-mode voltage range includes ground up to VCC-0.7 V.
- What type of output does the LMV331 have? The LMV331 has an open-collector output.
- What are some common applications for the LMV331? Common applications include hysteresis comparators, oscillators, window comparators, industrial equipment, and test and measurement equipment.
- How does the LMV331 compare to traditional comparators like the LM339 and LM393? The LMV331 offers similar specifications but with significantly lower supply current.
- What is the propagation delay for the LMV331? The propagation delay is typically 1000 ns for high to low and 500 ns for low to high, with an input overdrive of 10 mV.
- What is the output saturation voltage for the LMV331? The output saturation voltage is typically 200 mV.
- Is the LMV331 suitable for battery-powered devices? Yes, it is suitable due to its low power operation.
- What package options are available for the LMV331? The LMV331 is available in SC70 (DBV or DCK) packages.
