Overview
The LM393SNG, produced by onsemi, is a dual independent precision voltage comparator. This device is part of the LM393 series, known for its low offset voltage and versatility in various supply configurations. It is designed for single or split supply operation, making it suitable for a wide range of applications in consumer, automotive, and industrial electronics.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Power Supply Voltage | VCC | +36 or ±18 | V |
| Input Differential Voltage | VIDR | 36 | V |
| Input Common Mode Voltage Range | VICR | −0.3 to +36 | V |
| Output Voltage | VO | 36 | V |
| Output Short Circuit-to-Ground | ISC | 20 | mA |
| Input Offset Voltage | VIO | ±5.0 mV (max) | mV |
| Input Bias Current | IIB | 25 nA | nA |
| Supply Current | ICC | 0.4 mA | mA |
| Operating Ambient Temperature Range | TA | 0°C to +70°C | °C |
| Maximum Operating Junction Temperature | TJ(max) | 150°C | °C |
Key Features
- Wide Single-Supply Range: 2.0 Vdc to 36 Vdc and split-supply range: ±1.0 Vdc to ±18 Vdc.
- Low Current Drain: Independent of supply voltage, with a typical value of 0.4 mA.
- Low Input Bias Current: 25 nA, and low input offset current of 5.0 nA.
- Low Input Offset Voltage: As low as 5.0 mV, making it suitable for precision applications.
- Input Common Mode Range to Ground Level: Allows for single supply operation with a common mode range to ground level.
- Differential Input Voltage Range: Equal to the power supply voltage.
- Output Compatibility: Compatible with DTL, ECL, TTL, MOS, and CMOS logic levels.
- ESD Protection: ESD clamps on the inputs increase the ruggedness of the device without affecting performance.
- Environmental Compliance: Pb-free, halogen-free/BFR-free, and RoHS compliant.
Applications
The LM393SNG is versatile and can be used in various applications, including:
- Consumer Electronics: For precision voltage comparison in consumer devices.
- Automotive Electronics: Qualified for automotive use with the NCV prefix, meeting AEC-Q100 standards.
- Industrial Electronics: Suitable for industrial control systems and monitoring applications.
- Medical Devices: Can be used in medical equipment requiring precise voltage comparisons.
Q & A
- What is the typical supply current of the LM393SNG?
The typical supply current is 0.4 mA, independent of the supply voltage.
- What is the input offset voltage of the LM393SNG?
The input offset voltage is as low as ±5.0 mV.
- What is the operating temperature range of the LM393SNG?
The operating temperature range is from 0°C to +70°C.
- Is the LM393SNG RoHS compliant?
- What are the output compatibility options for the LM393SNG?
The output is compatible with DTL, ECL, TTL, MOS, and CMOS logic levels.
- Can the LM393SNG be used in automotive applications?
- What is the maximum output short circuit current of the LM393SNG?
The maximum output short circuit current is 20 mA.
- What is the input common mode voltage range of the LM393SNG?
The input common mode voltage range is from −0.3 V to +36 V.
- Does the LM393SNG have ESD protection?
- What are the package options available for the LM393SNG?
The device is available in PDIP-8, SOIC-8, and Micro8 packages.
