Overview
The LMV339IRUCR from Texas Instruments is a quad 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 applications where low power consumption and space efficiency are critical. The LMV339 is a quad comparator, meaning it has four independent comparator circuits in a single package, which is particularly useful in applications requiring multiple comparisons.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC+) | 2.7 | 5.5 | V | ||
| Input Offset Voltage (VIO) | 25°C | 1.7 | 7 | mV | |
| Input Bias Current (IIB) | 25°C | 15 | 250 | 400 | nA |
| Input Offset Current (IIO) | 25°C | 5 | 50 | 150 | nA |
| Output Sink Current (IO) | VO ≤ 1.5 V, 25°C | 5 | 23 | mA | |
| Output Saturation Voltage (VSAT) | IO ≤ 1.5 mA, 25°C | 200 | mV | ||
| Supply Current (ICC) | 25°C, all four comparators | 140 | 200 | μA | |
| Common-Mode Input Voltage Range (VICR) | 25°C | -0.1 | 2 | V |
Key Features
- Low-voltage operation: 2.7 V to 5.5 V supply range.
- Low supply current: 140 μA typical for all four comparators.
- Input common-mode voltage range includes ground.
- Low output saturation voltage: 200 mV typical.
- Open-collector output for maximum flexibility.
- High accuracy with low input offset voltage and current.
- Compact packages: SOIC (14-pin) and other variants.
Applications
- Hysteresis comparators.
- Oscillators.
- Window comparators.
- Industrial equipment.
- Test and measurement equipment.
- Portable consumer products where low power and space savings are crucial.
Q & A
- What is the supply voltage range of the LMV339IRUCR? The supply voltage range is from 2.7 V to 5.5 V.
- How many comparators are included in the LMV339IRUCR? The LMV339IRUCR includes four independent comparators.
- What is the typical supply current for the LMV339IRUCR? The typical supply current is 140 μA for all four comparators.
- What is the input common-mode voltage range of the LMV339IRUCR? The input common-mode voltage range includes ground and extends up to VCC - Vbe (~700 mV).
- What is the output configuration of the LMV339IRUCR? The output is an open-collector configuration.
- What are some common applications of the LMV339IRUCR? Common applications include hysteresis comparators, oscillators, window comparators, industrial equipment, and test and measurement equipment.
- What is the typical output saturation voltage of the LMV339IRUCR? The typical output saturation voltage is 200 mV.
- How does the LMV339IRUCR handle input offset voltage? The LMV339IRUCR has a low input offset voltage of 1.7 mV to 7 mV.
- What is the propagation delay of the LMV339IRUCR? The propagation delay is approximately 300 ns for high to low and 550 ns for low to high output levels.
- What are the package options for the LMV339IRUCR? The LMV339IRUCR is available in SOIC (14-pin) and other package variants.
