Overview
The LM393DR2G is a dual independent precision voltage comparator produced by onsemi. This device is part of the LM393 series, which is designed for single or split supply operation. 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 LM393DR2G is known for its low input offset voltage, making it an excellent choice for various applications in consumer, automotive, and industrial electronics.
Key Specifications
| Attribute | Value |
|---|---|
| No of Channels | 2 |
| Average Bias Current-Max | 250 nA |
| Supply Voltage | 2 V to 36 V (single supply), ±1.0 V to ±18 V (split supply) |
| Package Style | SOIC-8 |
| Mounting Method | Surface Mount |
| Input Offset Voltage | 5.0 mV (max) |
| Input Bias Current | 25 nA |
| Input Offset Current | 5.0 nA |
| Output Current | Up to 20 mA |
| Operating Ambient Temperature Range | 0°C to 70°C |
| Power Dissipation | 1/RθJA (570 mW/°C derate above 25°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 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.
- Pb-Free Packages are Available.
Applications
The LM393DR2G is suitable for a variety of applications in consumer, automotive, and industrial electronics. Its low input offset voltage and wide supply voltage range make it an excellent choice for precision voltage comparison tasks. It can be used in systems requiring high accuracy and reliability, such as in sensor circuits, alarm systems, and other control systems.
Q & A
- What is the supply voltage range for the LM393DR2G? The LM393DR2G operates with a single supply voltage range of 2.0 Vdc to 36 Vdc and a split-supply range of ±1.0 Vdc to ±18 Vdc.
- What is the input offset voltage of the LM393DR2G? The input offset voltage is as low as 5.0 mV (max).
- What is the package style and mounting method of the LM393DR2G? The package style is SOIC-8, and the mounting method is surface mount.
- What are the typical applications of the LM393DR2G? The LM393DR2G is used in consumer, automotive, and industrial electronics for precision voltage comparison tasks.
- Is the LM393DR2G Pb-free? Yes, the LM393DR2G is available in Pb-free packages.
- What is the maximum output current of the LM393DR2G? The maximum output current can be as high as 20 mA.
- What is the operating ambient temperature range for the LM393DR2G? The operating ambient temperature range is 0°C to 70°C.
- Does the LM393DR2G have ESD protection? Yes, the LM393DR2G has ESD clamps on the inputs to increase the ruggedness of the device without affecting performance.
- What logic levels is the output voltage of the LM393DR2G compatible with? The output voltage is compatible with DTL, ECL, TTL, MOS, and CMOS logic levels.
- What is the typical current drain of the LM393DR2G? The typical current drain is 0.4 mA, independent of the supply voltage.
