Overview
The LMV393IDR from Texas Instruments is a dual low-voltage comparator, part of the LMV331, LMV393, and LMV339 family. These devices are designed to operate at low voltages, ranging from 2.7 V to 5.5 V, making them suitable for a variety of portable and low-power applications. The LMV393IDR is a dual-comparator version, offering two independent comparators in a single package.
This component is an evolution of the industry-standard LM393 comparators but with significantly reduced power consumption and lower supply voltage requirements. This makes it an ideal choice for modern electronic designs where power efficiency and compactness are crucial.
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 | 150 | nA |
| VICR Common-Mode Input Voltage Range | -0.1 | - | 2 | V |
| VOL Output Saturation Voltage | - | 200 | - | mV |
| ICC Supply Current (both comparators) | 70 | 140 | - | μA |
| TPHL Propagation Delay (High to Low) | - | 1000 | - | ns |
| TPLH Propagation Delay (Low to High) | - | 500 | - | ns |
Key Features
- Low-voltage operation: 2.7 V to 5.5 V supply range
- Low supply current: 70 μA typical for both comparators
- 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
- Compact packages: SOIC-8, among others
Applications
- Hysteresis comparators
- Oscillators
- Window comparators
- Industrial equipment
- Test and measurement equipment
- Mobile phones and other portable electronics
- Notebooks and PDAs
- Battery-supplied electronics
- General-purpose low-voltage applications
Q & A
- What is the supply voltage range of the LMV393IDR?
The LMV393IDR operates from 2.7 V to 5.5 V.
- How many comparators are included in the LMV393IDR?
The LMV393IDR includes two independent comparators.
- What is the typical supply current for the LMV393IDR?
The typical supply current for both comparators is 140 μA.
- What is the input common-mode voltage range of the LMV393IDR?
The input common-mode voltage range includes ground and extends up to VCC - 0.7 V.
- What is the output configuration of the LMV393IDR?
The LMV393IDR has an open-drain output.
- What are some common applications of the LMV393IDR?
Common applications include hysteresis comparators, oscillators, window comparators, industrial equipment, and test and measurement equipment.
- What is the propagation delay of the LMV393IDR?
The propagation delay from high to low is typically 1000 ns, and from low to high is typically 500 ns, with an input overdrive of 10 mV.
- What is the output saturation voltage of the LMV393IDR?
The output saturation voltage is typically 200 mV.
- What is the ESD tolerance of the LMV393IDR?
The LMV393IDR has an ESD tolerance of 2 kV HBM / 200 V MM.
- What are the package options for the LMV393IDR?
The LMV393IDR is available in SOIC-8, among other packages.
