Overview
The LM393LVQPWRQ1 is a dual independent voltage comparator from Texas Instruments, designed for low-voltage applications. This device is part of the LV family, which offers improved performance and additional features compared to standard comparator families. It is qualified for automotive applications and meets the AEC-Q100 standards, ensuring reliability over a wide temperature range of -40°C to 125°C. The LM393LVQPWRQ1 features a Power-On-Reset (POR) to prevent output transients during power-up and power-down, and it includes Rail-to-Rail inputs that can operate up to 6 V without damage or phase inversion.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = 1.8 V and 5 V, TA = 25°C | -2 | ±0.4 | 2 | mV |
| Input Offset Voltage Drift (dVIO/dT) | VS = 1.8 V and 5 V, TA = -40°C to +125°C | ±1.5 | µV/°C | ||
| Quiescent Current per Comparator (IQ) | VS = 1.8 V and 5 V, No Load, Output Low | 25 | 35 | 50 | µA |
| Power-Supply Rejection Ratio (PSRR) | VS = 1.8 V to 5 V, TA = -40°C to +125°C | 70 | 80 | dB | |
| Common-Mode Rejection Ratio (CMRR) | VS = 5 V, (GND) < VCM < (V+), TA = -40°C to +125°C | 60 | 65 | dB | |
| Propagation Delay Time (TPD-HL) | VID = -10 mV, CL = 15 pF, TA = 25°C | 600 | ns | ||
| Output Fall Time (TFALL) | VID = -100 mV, CL = 15 pF, TA = 25°C | 20 | ns | ||
| Short-Circuit Current (ISC) | VS = 5 V, Sinking | 60 | 100 | mA |
Key Features
- AEC-Q100 Qualified: Meets automotive standards with a temperature range of -40°C to 125°C.
- Power-On-Reset (POR): Ensures the output is in a High-Z state until the minimum supply voltage is reached.
- Rail-to-Rail Inputs: Can operate up to 6 V without damage or phase inversion.
- Low Quiescent Current: Low power consumption with quiescent current per comparator as low as 25 µA.
- High Common-Mode Rejection Ratio (CMRR): Provides high immunity to common-mode noise.
- Fast Propagation Delay: Fast switching times with propagation delay times around 600 ns.
Applications
- Automotive Systems: Suitable for various automotive applications due to its AEC-Q100 qualification.
- Motor Drives: Used in motor control and drive systems for precise voltage comparisons.
- Infotainment and Cluster Systems: Applied in automotive infotainment and cluster systems for reliable signal processing.
- Industrial Control Systems: Can be used in industrial control systems where precise voltage comparisons are necessary.
- Medical Devices: Suitable for medical devices requiring low-voltage, high-reliability comparators.
Q & A
- What is the temperature range of the LM393LVQPWRQ1?
The LM393LVQPWRQ1 operates over a temperature range of -40°C to 125°C.
- What is the purpose of the Power-On-Reset (POR) feature?
The POR feature 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.
- What is the maximum voltage that the Rail-to-Rail inputs can handle?
The Rail-to-Rail inputs can operate up to 6 V without damage or phase inversion.
- What is the typical quiescent current per comparator?
The typical quiescent current per comparator is 35 µA.
- What is the common-mode rejection ratio (CMRR) of the LM393LVQPWRQ1?
The CMRR is typically 60 dB to 65 dB for VS = 5 V and (GND) < VCM < (V+).
- What is the propagation delay time for the LM393LVQPWRQ1?
The propagation delay time is typically 600 ns for both high-to-low and low-to-high transitions.
- What is the output fall time of the LM393LVQPWRQ1?
The output fall time is typically 20 ns.
- What is the short-circuit current of the LM393LVQPWRQ1?
The short-circuit current is typically between 60 mA and 100 mA when sinking.
- In what types of applications is the LM393LVQPWRQ1 commonly used?
The LM393LVQPWRQ1 is commonly used in automotive systems, motor drives, infotainment and cluster systems, industrial control systems, and medical devices.
- What are the available package types for the LM393LVQPWRQ1?
The LM393LVQPWRQ1 is available in SOIC, TSSOP, VSSOP, WSON, and SOT-23 packages.
