Overview
The LMV331QDBVRQ1 is a single, low-voltage comparator from Texas Instruments, designed to operate within the voltage range of 2.7 V to 5.5 V. This device is part of the LMV331, LMV393, and LMV339 family, which are low-voltage versions of the industry-standard LM339 and LM393 comparators. The LMV331QDBVRQ1 is particularly suited for applications requiring low power consumption, space efficiency, and cost-effectiveness, making it ideal for portable consumer electronics and general-purpose low-voltage applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC+ | Supply voltage | 2.7 | 5.5 | V | |
| VID | Differential input voltage | ±5.5 | V | ||
| VI | Input voltage range (either input) | 0 | 5.5 | V | |
| VIO | Input offset voltage | 1.7 | 7 | 9 | mV |
| IIB | Input bias current | 2 | 25 | 400 | nA |
| ICC | Supply current | 40 | 70 | 140 | μA |
| VSAT | Saturation voltage | 200 | 400 | mV | |
| tPHL/tPLH | Propagation delay | 350/400 | 600/450 | ns | |
| TA | Operating free-air temperature | -40 | 125 | °C |
Key Features
- Qualified for automotive applications
- Low-voltage operation: 2.7 V to 5.5 V
- Low supply current: 70 μA typical for LMV331
- Input common-mode voltage range includes ground
- Low output saturation voltage: 200 mV typical
- Open-collector output for maximum flexibility
- Wide temperature range: -40°C to +125°C
- ESD tolerance: 2 kV HBM / 200 V MM
- Available in SOT-23 package
Applications
- Mobile phones
- Notebooks and PDAs
- Battery-supplied electronics
- General-purpose portable devices
- General-purpose low-voltage applications
Q & A
- What is the operating voltage range of the LMV331QDBVRQ1?
The LMV331QDBVRQ1 operates within the voltage range of 2.7 V to 5.5 V.
- What is the typical supply current for the LMV331QDBVRQ1?
The typical supply current for the LMV331QDBVRQ1 is 70 μA.
- What is the input common-mode voltage range for the LMV331QDBVRQ1?
The input common-mode voltage range includes ground and extends up to the supply voltage.
- What is the output saturation voltage of the LMV331QDBVRQ1?
The output saturation voltage is typically 200 mV.
- What type of output does the LMV331QDBVRQ1 have?
The LMV331QDBVRQ1 has an open-collector output.
- What is the operating temperature range for the LMV331QDBVRQ1?
The operating temperature range is from -40°C to +125°C.
- What is the ESD tolerance of the LMV331QDBVRQ1?
The ESD tolerance is 2 kV HBM / 200 V MM.
- In what package is the LMV331QDBVRQ1 available?
The LMV331QDBVRQ1 is available in the SOT-23 package.
- What are some common applications for the LMV331QDBVRQ1?
Common applications include mobile phones, notebooks, battery-supplied electronics, and general-purpose portable devices.
- Is the LMV331QDBVRQ1 qualified for automotive applications?
Yes, the LMV331QDBVRQ1 is qualified for automotive applications.
