Overview
The Rohm Semiconductor's LM393WPT is a comparator integrated circuit (IC) designed for general-purpose applications. This open-collector, rail-to-rail comparator offers low power consumption and high performance in a small package. It is ideal for use in automotive, industrial, and consumer electronics where precision voltage detection is required. The LM393WPT can be used as a level shifter, a window detector, or an analog signal processor in various applications.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Package/Case | 8-TSSOP (0.173", 4.40mm Width) | - | - |
| Output Type | Open-Collector, Rail-to-Rail | - | - |
| Voltage - Supply, Single/Dual (±) | 2V ~ 36V, ±1V ~ 18V | - | - |
| Voltage - Input Offset (Max) | 7mV @ 5V | mV | Vcc+=5V, Vicm=0 to -1.5V |
| Current - Input Bias (Max) | 0.25µA @ 5V | µA | Vcc+=5V |
| Current - Output (Typ) | 16mA @ 5V | mA | Vcc+=5V |
| Current - Quiescent (Max) | 1mA | mA | - |
| Operating Temperature | -40°C ~ 85°C | °C | - |
Key Features
- Open-collector output stage
- Rail-to-rail operation for optimal performance at all voltage levels
- Low input offset voltage (7mV @ 5V)
- Low input bias current (0.25µA @ 5V)
- Low quiescent current (1mA)
- Operating temperature range: -40°C to 85°C
- Single or dual power supply compatible
- Output compatible with TTL, MOS, CMOS logic levels
Applications
- Automotive systems: motor control, level shifting, and battery charging
- Industrial control systems: sensor interfaces, process monitoring, and data acquisition
- Consumer electronics: audio equipment, televisions, and computers
Q & A
- What is the LM393WPT used for? The LM393WPT is used as a general-purpose comparator IC for precision voltage detection in various applications.
- What is the operating temperature range of the LM393WPT? The operating temperature range is -40°C to 85°C.
- What are the power supply options for the LM393WPT? The LM393WPT can operate with a single power supply from 2V to 36V or dual supplies from ±1V to ±18V.
- What is the typical quiescent current of the LM393WPT? The typical quiescent current is 1mA.
- What is the maximum input offset voltage of the LM393WPT? The maximum input offset voltage is 7mV @ 5V.
- Is the LM393WPT compatible with different logic levels? Yes, it is compatible with TTL, MOS, and CMOS logic levels.
- What is the package type of the LM393WPT? The package type is 8-TSSOP (0.173", 4.40mm Width).
- Can the LM393WPT be used in automotive applications? Yes, it can be used in automotive systems for motor control, level shifting, and battery charging.
- Is the LM393WPT RoHS compliant? Yes, the LM393WPT is RoHS compliant.
- What is the typical output current of the LM393WPT? The typical output current is 16mA @ 5V.
