Overview
The LMV331IDCKTE4, produced by Texas Instruments, is a single low-voltage comparator that is part of the LMV331, LMV393, and LMV339 family. These devices are designed to operate at low voltages, making them ideal for applications where power efficiency and space savings are crucial. The LMV331 is a cost-effective solution that offers low supply current, low output saturation voltage, and an open-drain output for maximum flexibility. It is particularly suited for portable consumer products and general-purpose low-voltage applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | - | - | 5.5 | V |
| VID Differential Input Voltage | -5.5 | - | 5.5 | V |
| VIO Input Offset Voltage | 1.7 | 7 | - | mV |
| IIB Input Bias Current | 15 | 250 | 400 | nA |
| IIO Input Offset Current | 5 | 50 | - | nA |
| IO Output Current (Sinking) | 5 | 23 | - | mA |
| VICR Common-Mode Input Voltage Range | -0.1 | - | 2 | V |
| VSAT Saturation Voltage | - | 200 | - | mV |
| ICC Supply Current | 40 | 100 | - | μA |
| tPHL Propagation Delay (High to Low) | - | 1000 | - | ns |
| tPLH Propagation Delay (Low to High) | - | 500 | - | ns |
Key Features
- Supply operation from 2.7 V to 5.5 V
- Low supply current: 40 μA to 100 μA typical
- Input common-mode voltage range includes ground
- Low output saturation voltage: 200 mV typical
- Open-drain output for maximum flexibility
- Wide temperature range: -40°C to +125°C
- ESD tolerance: 2 kV HBM / 200 V MM
- Small SMD packages (e.g., SC70 for LMV331)
Applications
- Hysteresis comparators
- Oscillators
- Window comparators
- Industrial equipment
- Test and measurement
- Mobile phones
- Notebooks and PDAs
- Battery-supplied electronics
- General-purpose portable devices
- General-purpose low-voltage applications
Q & A
- What is the supply voltage range for the LMV331? The LMV331 operates from 2.7 V to 5.5 V.
- What is the typical supply current for the LMV331? The typical supply current is 40 μA to 100 μA.
- What is the input common-mode voltage range for the LMV331? The input common-mode voltage range includes ground and extends up to VCC–0.7 V.
- What is the output configuration of the LMV331? The LMV331 has an open-drain output.
- What are the typical propagation delays for the LMV331? The propagation delays are 1000 ns for high to low and 500 ns for low to high, with an input overdrive of 10 mV.
- What is the ESD tolerance of the LMV331? The ESD tolerance is 2 kV HBM / 200 V MM.
- In what temperature range can the LMV331 operate? The LMV331 operates in a temperature range from -40°C to +125°C.
- What are some common applications for the LMV331? Common applications include hysteresis comparators, oscillators, window comparators, industrial equipment, and test and measurement.
- What package types are available for the LMV331? The LMV331 is available in SC70 and other SMD packages.
- How does the open-drain output of the LMV331 work? The open-drain output allows the user to configure the output's logic low voltage (VOL) and can be used to enable the comparator to be used in AND functionality.
