Overview
The LM393LVDSGR is a dual low-voltage comparator integrated circuit (IC) manufactured by Texas Instruments. It is designed for a wide range of linear applications and offers improved performance and additional features compared to its predecessors. This IC operates from a supply voltage range of 1.65 V to 5.5 V, making it versatile for various low-voltage applications. The LM393LVDSGR features rail-to-rail inputs with failsafe, low input offset voltage, and a fast propagation delay, making it suitable for applications requiring high accuracy and speed.
Key Specifications
| Parameter | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 1.65 V to 5.5 V | 1.65 V | 5.5 V | V |
| Input Offset Voltage | ±0.4 mV | -2 mV | 2 mV | mV |
| Propagation Delay Time (High to Low) | 600 ns | - | - | ns |
| Propagation Delay Time (Low to High) | 600 ns | - | - | ns |
| Quiescent Current per Comparator | 25 µA | 20 µA | 35 µA | µA |
| Input Bias Current | 5 pA | - | - | pA |
| Common-Mode Rejection Ratio (CMRR) | 60 dB | 50 dB | 65 dB | dB |
| Operating Temperature Range | -40°C to +125°C | -40°C | +125°C | °C |
| Output Type | Open-Drain | - | - | - |
| ESD Protection | 2 kV | - | - | kV |
Key Features
- Rail-to-Rail input with Failsafe: Allows the input voltage to range from ground to the supply voltage without phase inversion or damage.
- Low Input Offset Voltage: Typical value of ±0.4 mV, ensuring high accuracy in voltage comparisons.
- Fast Propagation Delay: Typical propagation delay of 600 ns for both high-to-low and low-to-high transitions.
- Low Quiescent Current: Typical current consumption of 25 µA per comparator, suitable for low-power applications.
- Low Input Bias Current: Typical value of 5 pA, minimizing the impact on the input signal.
- Open-Drain Output: Allows for external pull-up resistors to set the output voltage level.
- Power-On-Reset (POR): Ensures the output is in a High-Z state until the minimum supply voltage is reached, preventing output transients during power-up and power-down.
- 2 kV ESD Protection: Enhances the robustness of the device against electrostatic discharge.
- Full -40°C to +125°C Temperature Range: Suitable for a wide range of environmental conditions.
Applications
- Vacuum robots
- Single-phase UPS (Uninterruptible Power Supplies)
- Server power supplies
- Cordless power tools
- Wireless infrastructure
- Appliances
- Building automation
- Factory automation and control
- Motor drives
- Infotainment and cluster systems
Q & A
- What is the supply voltage range of the LM393LVDSGR?
The LM393LVDSGR operates from a supply voltage range of 1.65 V to 5.5 V.
- What is the typical input offset voltage of the LM393LVDSGR?
The typical input offset voltage is ±0.4 mV.
- What is the propagation delay time of the LM393LVDSGR?
The typical propagation delay time is 600 ns for both high-to-low and low-to-high transitions.
- What is the quiescent current per comparator for the LM393LVDSGR?
The typical quiescent current per comparator is 25 µA.
- Does the LM393LVDSGR have ESD protection?
Yes, the LM393LVDSGR has 2 kV ESD protection.
- What is the operating temperature range of the LM393LVDSGR?
The operating temperature range is -40°C to +125°C.
- What type of output does the LM393LVDSGR have?
The LM393LVDSGR has an open-drain output.
- Does the LM393LVDSGR have Power-On-Reset (POR) feature?
Yes, the LM393LVDSGR includes a Power-On-Reset (POR) feature to ensure the output is in a High-Z state until the minimum supply voltage is reached.
- What are some common applications of the LM393LVDSGR?
Common applications include vacuum robots, single-phase UPS, server power supplies, cordless power tools, wireless infrastructure, appliances, building automation, factory automation and control, motor drives, and infotainment and cluster systems.
- Can the LM393LVDSGR replace older comparator ICs?
Yes, the LM393LVDSGR can drop-in replace the standard TL331, LM2xx, LM3xx, and LM290x comparator family in low voltage (≤ 5 V) applications for improved performance and added features.
