Overview
The LM393DR2, produced by onsemi, is a dual independent precision voltage comparator. This device is part of the LM393 series, known for its wide single-supply range and low current drain, making it versatile for various applications in consumer, automotive, and industrial electronics. The LM393DR2 is designed to operate with single or split supply voltages and features a common mode range that includes ground level, enhancing its usability in diverse scenarios.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Supply Voltage (VCC) | 2.0 to 36 | Vdc |
| Split-Supply Range | ±1.0 to ±18 | Vdc |
| Input Differential Voltage (VIDR) | -36 to 36 | V |
| Input Common Mode Voltage Range (VICR) | -0.3 to +36 | V |
| Output Voltage (VO) | -0.3 to 36 | V |
| Output Short Circuit Current (ISC) | 20 | mA |
| Input Offset Voltage (Max) | 5.0 | mV |
| Input Bias Current (Typ/Max) | 3.5 / 25 | nA |
| Response Time (Typ) | 1 | µsec |
| Operating Ambient Temperature Range | 0 to 70 | °C |
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.
- Low input offset current: 5.0 nA.
- Low input offset voltage: 5.0 mV (max).
- 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
- Vacuum robots.
- Single-phase UPS.
- Server power supplies.
- Cordless power tools.
- Wireless infrastructure.
- Appliances.
- Building automation.
- Factory automation and control.
- Motor drives.
- Infotainment and cluster systems.
Q & A
- What is the maximum power supply voltage for the LM393DR2?
The maximum power supply voltage for the LM393DR2 is 36 Vdc for single supply and ±18 Vdc for split supply.
- What is the input offset voltage of the LM393DR2?
The input offset voltage of the LM393DR2 is as low as 5.0 mV (max).
- What is the typical response time of the LM393DR2?
The typical response time of the LM393DR2 is 1 µsec.
- Is the LM393DR2 compatible with various logic levels?
Yes, the output voltage of the LM393DR2 is compatible with DTL, ECL, TTL, MOS, and CMOS logic levels.
- What is the operating temperature range for the LM393DR2?
The operating ambient temperature range for the LM393DR2 is 0°C to 70°C.
- Does the LM393DR2 have ESD protection?
Yes, the LM393DR2 has ESD clamps on the inputs to increase the ruggedness of the device without affecting performance.
- Is the LM393DR2 RoHS compliant?
Yes, the LM393DR2 is Pb-free, halogen-free/BFR-free, and RoHS compliant.
- What are some common applications of the LM393DR2?
The LM393DR2 is used in various applications including vacuum robots, single-phase UPS, server power supplies, cordless power tools, wireless infrastructure, appliances, building automation, factory automation and control, motor drives, and infotainment and cluster systems.
- What is the input bias current of the LM393DR2?
The input bias current of the LM393DR2 is typically 3.5 nA and maximally 25 nA.
- Can the LM393DR2 operate with a single supply or split supply?
Yes, the LM393DR2 can operate with both single and split supply voltages.
