Overview
The LM393PE4, produced by Texas Instruments, is part of the LM393B and LM2903B family of dual voltage comparators. These devices are the next generation versions of the industry-standard LM393 and LM2903 comparators, offering improved specifications and performance. The LM393PE4 is designed to operate from a single power supply over a wide range of voltages, making it versatile for various applications. It features lower offset voltage, higher supply voltage capability, lower supply current, and improved ESD performance.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Supply Voltage | 2 | 36 | V | ||
| Input Offset Voltage | VS = 5 to 36V | -2.5 | ±0.37 | 2.5 | mV |
| Input Bias Current | VS = 5 to 36V | -3.5 | -25 | -50 | nA |
| Common Mode Range | VS = 3 to 36V | (V-) to (V+) - 1.5 | (V+) - 2.0 | V | |
| Propagation Delay Time | VS = 5V, VO_PULLUP = 5V, VCM = VS/2, CL = 15pF, RL = 5.1k Ohm, TA = 25°C | 300 | ns | ||
| Quiescent Current | VS = 5V, no load | 400 | 600 | 800 | µA |
| Low Level Output Voltage | ISINK ≤ 4mA, VID = -1V | 110 | 550 | mV |
Key Features
- Improved specifications of B-version, including lower offset voltage and higher supply voltage capability up to 38V.
- Low input bias current of 3.5nA and low supply current of 200µA per comparator.
- Faster response time of 1µsec and extended temperature range for LM393B.
- Available in various packages, including tiny 2 x 2mm WSON package.
- Common-mode input voltage range includes ground, and differential input voltage range equal to maximum-rated supply voltage.
- Low output saturation voltage and output compatible with TTL, MOS, and CMOS.
- ESD rating (HBM) of 2kV and improved input ruggedness through dedicated ESD clamps.
Applications
- Vacuum robots
- Single phase UPS
- Server PSU
- Cordless power tools
- Wireless infrastructure
- Appliances
- Building automation
- Factory automation & control
- Motor drives
- Infotainment & cluster systems
Q & A
- What is the maximum supply voltage for the LM393PE4?
The maximum supply voltage for the LM393PE4 is up to 36V.
- What is the typical input offset voltage of the LM393PE4?
The typical input offset voltage is ±0.37mV.
- What is the quiescent current of the LM393PE4?
The quiescent current is 400µA to 600µA at 5V supply voltage.
- What is the propagation delay time of the LM393PE4?
The propagation delay time is typically 300ns.
- Is the LM393PE4 compatible with TTL, MOS, and CMOS outputs?
- What is the ESD rating of the LM393PE4?
The ESD rating (HBM) is 2kV.
- What are the common-mode input voltage range and differential input voltage range for the LM393PE4?
The common-mode input voltage range includes ground, and the differential input voltage range is equal to the maximum-rated supply voltage.
- Can the LM393PE4 be used in high-temperature environments?
- What are some typical applications of the LM393PE4?
Typical applications include vacuum robots, single phase UPS, server PSU, cordless power tools, and more.
- What packages are available for the LM393PE4?
The LM393PE4 is available in various packages, including SOIC, VSSOP, PDIP, SO, TSSOP, SOT-23, and WSON.
