Overview
The LM393P is a dual comparator integrated circuit produced by Texas Instruments. It is part of the industry-standard LM393 and LM2903 comparator family, known for its wide range of applications due to its versatile specifications. The LM393P can operate with a supply voltage ranging from 2 V to 36 V, making it suitable for various electronic systems. Its low input offset voltage, low input bias current, and low supply current contribute to its efficiency and reliability. The device is available in several package types, including the 8-pin DIP (Dual In-Line Package) and smaller packages like the WSON (Wafer Scale Outline No Lead) package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2 to 36 | V |
| Input Offset Voltage | ±0.37 | mV |
| Input Bias Current | –3.5 to –25 | nA |
| Supply Current per Comparator | 200 | µA |
| Propagation Delay Time | 1.3 | µs |
| ESD Rating (HBM) | 2kV | |
| Operating Temperature Range | 0 to 70 | °C |
| Package Type | 8-pin DIP, TSSOP, WSON, etc. | |
| Output Compatibility | TTL, MOS, CMOS |
Key Features
- Wide supply voltage range: 2 V to 36 V.
- Low input offset voltage: ±0.37 mV.
- Low input bias current: –3.5 to –25 nA.
- Low supply current: 200 µA per comparator.
- Faster response time: 1 µsec.
- Extended temperature range for LM393B version.
- Available in various packages, including 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 (Uninterruptible Power Supply).
- 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 LM393P?
The LM393P is a dual comparator integrated circuit with a supply pin that can handle up to 36 V, known for its wide range of applications and versatile specifications.
- What is the supply voltage range of the LM393P?
The supply voltage range is from 2 V to 36 V.
- What is the input offset voltage of the LM393P?
The input offset voltage is ±0.37 mV.
- What is the propagation delay time of the LM393P?
The propagation delay time is 1.3 µs.
- What is the ESD rating of the LM393P?
The ESD rating is 2 kV (HBM).
- What are the operating temperature ranges for the LM393P?
The operating temperature range is from 0°C to 70°C.
- In what packages is the LM393P available?
The LM393P is available in packages such as 8-pin DIP, TSSOP, and WSON.
- Is the output of the LM393P compatible with other logic families?
Yes, the output is compatible with TTL, MOS, and CMOS logic families.
- Can the LM393P replace other comparator models?
Yes, the B-version of the LM393P can drop-in replace LM293, LM393, and LM2903, A and V versions.
- What is the common-mode input voltage range of the LM393P?
The common-mode input voltage range includes ground and is limited by VCC – 2V.
