Overview
The LM393DR2GH, produced by onsemi, is part of the LM393 series of dual independent precision voltage comparators. These devices are designed for single or split supply operation and are known for their low input offset voltage, making them suitable for various applications in consumer, automotive, and industrial electronics. The LM393 series offers a wide range of operating voltages and is compatible with multiple logic levels, enhancing their versatility in different electronic systems.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Operating Temperature Range | 0°C to +70°C | |
| Supply Voltage Range (Single Supply) | 2.0 Vdc to 36 Vdc | |
| Supply Voltage Range (Split Supply) | ±1.0 Vdc to ±18 Vdc | |
| Current Drain | 0.4 mA | Independent of Supply Voltage |
| Input Bias Current | 25 nA | |
| Input Offset Current | 5.0 nA | |
| Input Offset Voltage | 2.0 mV (max) | |
| Input Common Mode Range | To Ground Level | |
| Differential Input Voltage Range | Equal to Power Supply Voltage | |
| Output Voltage Compatibility | DTL, ECL, TTL, MOS, and CMOS Logic Levels | |
| Response Time | 1.3 μs to 1.5 μs | VRL = 5.0 Vdc, RL = 5.1 kΩ, TA = 25°C |
| Package Type | SOIC-8 |
Key Features
- Wide single-supply 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 to ground level and 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.
Applications
The LM393DR2GH is suitable for a variety of applications, including:
- Consumer electronics: Due to its low power consumption and wide operating voltage range.
- Automotive electronics: The device is AEC-Q100 qualified and PPAP capable, making it reliable for automotive applications.
- Industrial electronics: Its robust design and compatibility with various logic levels make it ideal for industrial control systems.
Q & A
- What is the operating temperature range of the LM393DR2GH?
The operating temperature range is 0°C to +70°C. - What are the supply voltage ranges for the LM393DR2GH?
The device can operate with a single supply voltage from 2.0 Vdc to 36 Vdc or a split supply voltage from ±1.0 Vdc to ±18 Vdc. - What is the typical current drain of the LM393DR2GH?
The typical current drain is 0.4 mA, independent of the supply voltage. - What is the input offset voltage of the LM393DR2GH?
The input offset voltage is as low as 2.0 mV (max). - Is the LM393DR2GH compatible with various logic levels?
Yes, it is compatible with DTL, ECL, TTL, MOS, and CMOS logic levels. - What is the response time of the LM393DR2GH?
The response time is typically 1.3 μs to 1.5 μs under specified conditions. - What package types are available for the LM393DR2GH?
The device is available in SOIC-8 and Micro8 packages. - Is the LM393DR2GH suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive use. - Does the LM393DR2GH have ESD protection?
Yes, it has ESD clamps on the inputs to increase the device's ruggedness without affecting performance. - What are some common applications of the LM393DR2GH?
Common applications include consumer electronics, automotive electronics, and industrial electronics.
