Overview
The LM393AN, produced by Fairchild Semiconductor (now part of onsemi), is a dual independent precision voltage comparator. This device is designed to operate from a single power supply over a wide voltage range or with split supplies. It is highly versatile and suitable for various applications in consumer, automotive, and industrial electronics.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Power Supply Voltage | VCC | ±18 or 36 | V |
| Differential Input Voltage | VIDR | 36 | V |
| Input Voltage | VI | -0.3 to +36 | V |
| Output Short Circuit to GND | ISC | Continuous | - |
| Power Dissipation at TA = 25°C | PD | 1040 (8-DIP), 480 (8-SOIC) | mW |
| Operating Temperature | TOPR | 0 to +70°C | °C |
| Storage Temperature | TSTG | -65 to +150°C | °C |
| Input Offset Voltage | VIO | ±1 to ±5 mV | mV |
| Input Offset Current | IIO | ±5 to ±50 nA | nA |
| Input Bias Current | IBIAS | 65 to 250 nA | nA |
| Input Common Mode Voltage Range | VI(R) | 0 to VCC - 1.5 V | V |
| Supply Current | ICC | 0.6 to 2.5 mA | mA |
| Output Sink Current | ISINK | 6 to 18 mA | mA |
| Output Saturation Voltage | VSAT | 160 to 700 mV | mV |
Key Features
- Single Supply Operation: 2V to 36V
- Dual Supply Operation: ±1V to ±18V
- Allow Comparison of Voltages Near Ground Potential
- Low Current Drain: 0.4 mA (typical)
- Low Input Bias Current: 25 nA (typical)
- Low Input Offset Current: ±5 nA (typical)
- Low Input Offset Voltage: ±5 mV (maximum)
- Input Common Mode Range to Ground Level
- Differential Input Voltage Range Equal to Power Supply Voltage
- Output Voltage Compatible with DTL, ECL, TTL, MOS, and CMOS Logic Levels
- ESD Clamps on the Inputs Increase the Ruggedness of the Device without Affecting Performance
- Pb-Free, Halogen Free/BFR Free and RoHS Compliant
Applications
The LM393AN is widely used in various applications including:
- Consumer Electronics: For voltage comparison and detection in devices such as audio equipment and home appliances.
- Automotive Electronics: In systems requiring robust and reliable voltage comparison, such as in engine control units and safety systems.
- Industrial Electronics: For monitoring and controlling voltage levels in industrial automation, power supplies, and other industrial equipment.
- Medical Devices: In medical equipment where precise voltage comparison is critical.
- Telecommunications: In communication devices and networks for signal detection and processing.
Q & A
- What is the operating temperature range of the LM393AN?
The operating temperature range of the LM393AN is 0°C to +70°C.
- What are the power supply voltage ranges for the LM393AN?
The LM393AN can operate from a single supply of 2V to 36V or with split supplies from ±1V to ±18V.
- What is the typical input bias current of the LM393AN?
The typical input bias current of the LM393AN is 25 nA.
- What is the maximum input offset voltage of the LM393AN?
The maximum input offset voltage of the LM393AN is ±5 mV.
- Is the LM393AN compatible with various logic levels?
Yes, the LM393AN is compatible with DTL, ECL, TTL, MOS, and CMOS logic levels.
- What is the typical supply current of the LM393AN?
The typical supply current of the LM393AN is 0.6 mA at VCC = 5V.
- What is the output sink current capability of the LM393AN?
The output sink current capability of the LM393AN is 6 to 18 mA.
- Is the LM393AN RoHS compliant?
Yes, the LM393AN is Pb-Free, Halogen Free/BFR Free and RoHS compliant.
- What are the common package types for the LM393AN?
The LM393AN is available in 8-DIP and 8-SOIC packages.
- What is the storage temperature range for the LM393AN?
The storage temperature range for the LM393AN is -65°C to +150°C.
