Overview
The LM393PS, produced by Texas Instruments, is a dual voltage comparator that represents the next generation of the industry-standard LM393 and LM2903 comparator family. These B-version comparators are known for their improved specifications, including lower offset voltage, higher supply voltage capability, lower supply current, lower input bias current, and faster response times. The LM393PS is highly versatile and can operate from a single power supply over a wide range of voltages, making it suitable for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2 to 36 | V |
| Maximum Rating | Up to 38 | V |
| ESD Rating (HBM) | 2 kV | V |
| Input Offset Voltage | ±0.37 | mV |
| Input Bias Current | 3.5 nA | nA |
| Supply Current per Comparator | 200 µA | µA |
| Response Time | 1 µsec | µsec |
| Operating Temperature Range | 0 to 70 | °C |
| Package Type | PDIP (8 pins) | |
| Common-Mode Input Voltage Range | Includes ground | |
| Differential Input Voltage Range | ±38 V | V |
| Output Compatibility | TTL, MOS, CMOS |
Key Features
- Improved specifications of B-version, including lower offset voltage and higher supply voltage capability.
- Low input offset: 0.37 mV.
- Low input bias current: 3.5 nA.
- Low supply current: 200 µA per comparator.
- Faster response time of 1 µsec.
- Extended temperature range for LM393B.
- Available in tiny 2 x 2mm WSON package.
- B-version is a drop-in replacement for LM293, LM393, and LM2903 A and V versions.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage: ±38 V.
- Low output saturation voltage.
- Output compatible with TTL, MOS, and CMOS.
Applications
- Vacuum robots.
- Single-phase UPS systems.
- 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 LM393PS?
The LM393PS is a dual voltage comparator with a supply pin that can handle up to 36 V, known for its wide supply voltage range, low quiescent current, and quick response time.
- What is the recommended operating temperature range for the LM393PS?
The recommended operating temperature range is 0°C to 70°C.
- What is the package type of the LM393PS?
The LM393PS is available in an 8-pin PDIP package.
- What is the maximum supply voltage rating for the LM393PS?
The maximum supply voltage rating is up to 38 V.
- What is the ESD rating of the LM393PS?
The ESD rating is 2 kV (HBM).
- What is the typical input offset voltage of the LM393PS?
The typical input offset voltage is ±0.37 mV.
- What is the typical input bias current of the LM393PS?
The typical input bias current is 3.5 nA.
- What is the supply current per comparator for the LM393PS?
The supply current per comparator is 200 µA.
- What is the response time of the LM393PS?
The response time is 1 µsec.
- Is the LM393PS compatible with other comparator versions?
Yes, the B-version is a drop-in replacement for LM293, LM393, and LM2903 A and V versions.
