Overview
The LM293DR2, 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 and wide range of supply voltages. The LM293DR2 is particularly suited for applications in consumer, automotive, and industrial electronics due to its high precision and robust design.
Key Specifications
| Characteristic | Symbol | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Supply Voltage | VCC | V | 2.0 | - | 36 |
| Differential Input Voltage | VIDR | V | -36 | - | 36 |
| Input Common Mode Voltage Range | VICR | V | -0.3 | - | VCC - 1.5 |
| Input Offset Voltage | VIO | mV | - | - | 5.0 |
| Input Bias Current | IB | nA | - | 25 | - |
| Input Offset Current | IOS | nA | - | 5.0 | - |
| Supply Current | ICC | mA | - | 0.4 | - |
| Output Voltage | VO | V | - | - | 36 |
| Output Short Circuit Current | ISC | mA | - | - | 20 |
| Operating Ambient Temperature Range | Ta | °C | -25 | - | 85 |
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: 5.0 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
- Vacuum robots and other consumer electronics.
- Single-phase UPS and server power supplies.
- Cordless power tools and wireless infrastructure.
- Building automation and factory automation & control.
- Motor drives and infotainment & cluster systems.
- Automotive electronics, especially with the NCV prefix for AEC-Q100 qualified devices.
Q & A
- What is the supply voltage range for the LM293DR2? The supply voltage range is from 2.0 Vdc to 36 Vdc for single supply and ±1.0 Vdc to ±18 Vdc for split supply.
- What is the maximum input offset voltage for the LM293DR2? The maximum input offset voltage is 5.0 mV.
- What is the typical input bias current of the LM293DR2? The typical input bias current is 25 nA.
- Is the LM293DR2 compatible with various logic levels? Yes, it is compatible with DTL, ECL, TTL, MOS, and CMOS logic levels.
- What is the operating ambient temperature range for the LM293DR2? The operating ambient temperature range is from -25°C to 85°C.
- Does the LM293DR2 have ESD protection? Yes, it has ESD clamps on the inputs to increase the ruggedness of the device.
- What are some common applications of the LM293DR2? Common applications include consumer electronics, automotive systems, industrial electronics, and more.
- What package types are available for the LM293DR2? It is available in SOIC-8 and Micro8 packages.
- Is the LM293DR2 RoHS compliant? Yes, it is Pb-free, halogen-free/BFR-free, and RoHS compliant.
- What is the typical supply current of the LM293DR2? The typical supply current is 0.4 mA.
