Overview
The LM393NG, produced by onsemi, is a dual independent precision voltage comparator. This device is capable of operating with either a single supply or split supplies, making it versatile for various applications. It features a wide single-supply range from 2.0 Vdc to 36 Vdc and a split-supply range from ±1.0 Vdc to ±18 Vdc. The LM393NG is designed to permit a common mode range-to-ground level with single supply operation, which is particularly useful in consumer, automotive, and industrial electronics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Supply Voltage (VCC) | 2.0 to 36 Vdc (single supply), ±1.0 to ±18 Vdc (split supply) | V |
| Input Differential Voltage (VIDR) | 36 V | V |
| Input Common Mode Voltage Range (VICR) | -0.3 to +36 V | V |
| Output Voltage (VO) | 36 V | V |
| Output Short Circuit Current (ISC) | 20 mA | mA |
| Supply Current (ICC) | 0.4 mA | mA |
| Input Bias Current (IIB) | 25 nA | nA |
| Input Offset Current (IIO) | 5.0 nA | nA |
| Input Offset Voltage (VIO) | 2.0 mV (max) | mV |
| Operating Ambient Temperature Range | 0 to +70 °C | °C |
| Maximum Operating Junction Temperature | 150 °C | °C |
| Storage Temperature Range | -65 to +150 °C | °C |
Key Features
- Wide single-supply voltage range: 2.0 Vdc to 36 Vdc and split-supply range: ±1.0 Vdc to ±18 Vdc.
- Very low current drain independent of supply voltage: 0.4 mA.
- Low input bias current: 25 nA and low input offset current: 5.0 nA.
- Low input offset voltage: 2.0 mV (max).
- Input common mode range includes ground and differential input voltage range equal to the 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 LM393NG is suitable for a wide range of applications, including:
- Consumer electronics: Due to its low power consumption and high precision, it is ideal for battery-powered devices and other consumer electronics.
- Automotive electronics: The device is AEC-Q100 qualified and PPAP capable, making it suitable for automotive applications.
- Industrial electronics: Its robust design and wide operating temperature range make it a reliable choice for industrial environments).
Q & A
- What is the power supply voltage range for the LM393NG?
The LM393NG can operate with a single supply voltage from 2.0 Vdc to 36 Vdc or with split supplies from ±1.0 Vdc to ±18 Vdc).
- What is the typical supply current of the LM393NG?
The typical supply current is 0.4 mA, independent of the supply voltage).
- What is the input offset voltage of the LM393NG?
The maximum input offset voltage is 2.0 mV).
- Is the LM393NG compatible with various logic levels?
Yes, the output voltage is compatible with DTL, ECL, TTL, MOS, and CMOS logic levels).
- What is the operating ambient temperature range for the LM393NG?
The operating ambient temperature range is from 0 to +70 °C).
- Is the LM393NG RoHS compliant?
Yes, the LM393NG is Pb-free, halogen-free/BFR-free, and RoHS compliant).
- What kind of ESD protection does the LM393NG have?
The LM393NG has ESD clamps on the inputs to increase the ruggedness of the device without affecting performance).
- Can the LM393NG be used in automotive applications?
Yes, the LM393NG is AEC-Q100 qualified and PPAP capable, making it suitable for automotive applications).
- What is the maximum output short circuit current of the LM393NG?
The maximum output short circuit current is 20 mA).
- What is the storage temperature range for the LM393NG?
The storage temperature range is from -65 to +150 °C).
