Overview
The LM393LV-Q1, produced by Texas Instruments, is a low-voltage, dual-comparator integrated circuit designed for a wide range of applications, including automotive systems. This device is AEC-Q100 qualified, ensuring it meets stringent automotive standards. It operates over a temperature range of –40°C to 125°C, making it suitable for harsh environments. The LM393LV-Q1 is available in various packages, including SOIC, TSSOP, VSSOP, WSON, and SOT-23, providing flexibility in design and implementation.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = 1.8 V and 5 V | –2 | ±0.4 | 2 | mV |
| Input Offset Voltage (VOS) | VS = 1.8 V and 5 V, TA = –40°C to +125°C | –3 | 3 | 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 |
| Propagation Delay Time, High-to-Low (TPD-HL) | VID = –10 mV; Delay from mid-point of input to mid-point of output (RP = 2.5 KΩ) | 600 | ns | ||
| Output Fall Time, 80% to 20% (TFALL) | VID = –100 mV | 20 | ns | ||
| Toggle Frequency (FTOGGLE) | VID = 100 mV (RP = 2.5 KΩ) | 1 | MHz | ||
| Short-Circuit Current (ISC) | VS = 5 V, Sinking | 60 | 100 | mA | |
| Open-Drain Output Leakage Current (ILKG) | VPULLUP = (V+), TA = 25°C | 100 | pA |
Key Features
- AEC-Q100 qualified for automotive applications with a temperature range of –40°C to 125°C.
- Low-voltage operation: compatible with supply voltages from 1.8 V to 5 V.
- High common-mode rejection ratio (CMRR): up to 65 dB at 5 V supply.
- Low input bias current and input offset current.
- High toggle frequency and fast propagation delay times.
- Available in multiple package options: SOIC, TSSOP, VSSOP, WSON, and SOT-23.
- Exposed thermal pad for improved thermal performance.
Applications
The LM393LV-Q1 is suitable for a variety of applications, including:
- Automotive systems: due to its AEC-Q100 qualification and wide temperature range.
- Industrial control systems: for monitoring and controlling various parameters.
- Medical devices: where low-voltage and high accuracy are crucial.
- Consumer electronics: such as in audio and video equipment.
- General-purpose comparator applications: where high performance and reliability are required.
Q & A
- What is the operating temperature range of the LM393LV-Q1?
The LM393LV-Q1 operates over a temperature range of –40°C to 125°C. - What are the supply voltage ranges for the LM393LV-Q1?
The device is compatible with supply voltages from 1.8 V to 5 V. - What is the typical quiescent current per comparator?
The typical quiescent current per comparator is 35 µA at 5 V supply. - What is the propagation delay time for the LM393LV-Q1?
The propagation delay time from high to low (TPD-HL) and low to high (TPD-LH) is typically 600 ns. - What is the common-mode rejection ratio (CMRR) of the LM393LV-Q1?
The CMRR is up to 65 dB at a 5 V supply. - What are the package options available for the LM393LV-Q1?
The device is available in SOIC, TSSOP, VSSOP, WSON, and SOT-23 packages. - How does the exposed thermal pad improve the device's performance?
The exposed thermal pad helps in improving the thermal performance by allowing direct connection to the GND pin. - What is the short-circuit current of the LM393LV-Q1?
The short-circuit current (ISC) is typically between 60 mA and 100 mA at a 5 V supply. - What is the input offset voltage of the LM393LV-Q1?
The input offset voltage (VOS) is typically ±0.4 mV at 5 V supply. - Is the LM393LV-Q1 suitable for automotive applications?
Yes, the LM393LV-Q1 is AEC-Q100 qualified, making it suitable for automotive applications.
