Overview
The LM293DR2G is a low offset voltage dual comparator produced by onsemi. This device is part of the LM393 series, which are dual independent precision voltage comparators. They are designed to operate with either single or split supply configurations, making them versatile for various applications. The LM293DR2G is notable for its low input offset voltage, which is as low as 2.0 mV, and its wide supply voltage range, making it an excellent choice for consumer, automotive, and industrial electronics.
Key Specifications
| Attribute | Specification |
|---|---|
| No of Channels | 2 |
| Average Bias Current-Max | 250 nA |
| Supply Voltage | 2V to 36V (Single Supply), ±1.0 Vdc to ±18 Vdc (Split Supply) |
| Package Style | SOIC-8 |
| Mounting Method | Surface Mount |
| 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 Compatibility | DTL, ECL, TTL, MOS, and CMOS Logic Levels |
| Maximum Output Current | Up to 20 mA |
Key Features
- Wide Single-Supply Range: 2.0 Vdc to 36 Vdc
- 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 Packages are Available
- NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q100 Qualified and PPAP Capable
Applications
The LM293DR2G is suitable for a wide range of applications due to its precision and versatility. These include:
- Consumer Electronics: For applications requiring low power consumption and high precision.
- Automotive Electronics: Qualified for automotive use with AEC-Q100 and PPAP capabilities.
- Industrial Electronics: Ideal for systems needing robust and reliable comparator functions.
Q & A
- What is the supply voltage range for the LM293DR2G?
The LM293DR2G 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 LM293DR2G?
The input offset voltage is as low as 5.0 mV (max).
- What is the package style and mounting method of the LM293DR2G?
The package style is SOIC-8, and the mounting method is surface mount.
- Is the LM293DR2G suitable for automotive applications?
- What is the maximum output current of the LM293DR2G?
The maximum output current can be as high as 20 mA, independent of the magnitude of VCC.
- Does the LM293DR2G have ESD protection?
- What are the compatible logic levels for the output voltage of the LM293DR2G?
The output voltage is compatible with DTL, ECL, TTL, MOS, and CMOS logic levels.
- What is the low input bias current of the LM293DR2G?
The low input bias current is 25 nA.
- Is the LM293DR2G available in Pb-free packages?
- What is the response time of the LM293DR2G?
The response time is specified with a 100 mV step and 5.0 mV of overdrive, and it can be as low as 1.3 μs.
