Overview
The LM393PWG4 is a dual differential comparator from Texas Instruments, part of the LM393 series. This component is designed to provide high accuracy and reliability in various comparison applications. It is an improved version of the industry-standard LM393, offering enhanced specifications and performance. The LM393PWG4 is available in a TSSOP (Thin Shrink Small Outline Package) with 8 pins, making it suitable for space-constrained designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2 | - | 36 | V |
| Input Offset Voltage | -2.5 | ±0.37 | 2.5 | mV |
| Input Bias Current | -3.5 | -25 | -50 | nA |
| Common Mode Range | (V-) | - | VCC - 2 | V |
| Large Signal Differential Voltage Amplification | 50 | 200 | - | V/mV |
| Low Level Output Voltage | 110 | - | 400 | mV |
| Quiescent Current (all comparators) | 400 | 600 | 800 | µA |
| Response Time | - | 1.3 | - | µs |
Key Features
- Improved specifications of the B-version, including a maximum rating of up to 38V and an ESD rating (HBM) of 2kV.
- Low input offset voltage of ±0.37mV and low input bias current of -25nA.
- Low supply current of 200µA per comparator and faster response time of 1µsec.
- Extended temperature range for the LM393B version.
- Available in a tiny 2 x 2mm WSON package, as well as other packages like TSSOP, SOIC, and PDIP.
- Common-mode input voltage range includes ground, and differential input voltage range equal to the maximum-rated supply voltage.
- Output compatible with TTL, MOS, and CMOS.
Applications
- Vacuum robots and single-phase UPS systems.
- Server power supplies and cordless power tools.
- Wireless infrastructure, appliances, and building automation.
- Factory automation and control, motor drives, and infotainment systems.
- Chemical or gas sensors, desktop PCs, and weigh scales.
- Motor control systems, including AC induction motors.
Q & A
- What is the maximum supply voltage for the LM393PWG4? The maximum supply voltage is up to 36V.
- What is the typical input offset voltage of the LM393PWG4? The typical input offset voltage is ±0.37mV.
- What is the quiescent current for the LM393PWG4? The quiescent current is 400µA to 600µA per comparator.
- What is the response time of the LM393PWG4? The response time is typically 1.3µs.
- Is the LM393PWG4 compatible with TTL, MOS, and CMOS outputs? Yes, it is compatible with TTL, MOS, and CMOS outputs.
- What are the common package types available for the LM393PWG4? It is available in TSSOP, SOIC, PDIP, and WSON packages.
- What is the common-mode input voltage range for the LM393PWG4? The common-mode input voltage range includes ground and up to VCC - 2V.
- Can the inputs of the LM393PWG4 go to the maximum VCC level without damage? Yes, either or both inputs can go to the maximum VCC level without damage.
- What are some typical applications of the LM393PWG4? Typical applications include vacuum robots, single-phase UPS systems, server power supplies, and motor control systems.
- Does the LM393PWG4 have an extended temperature range? Yes, the LM393B version has an extended temperature range.
