Overview
The LM2903VDR2G is a dual independent precision voltage comparator produced by onsemi. This device is part of the LM393 series and is capable of single or split supply operation. It is designed to permit a common mode range-to-ground level with single supply operation, making it suitable for various applications in consumer, automotive, and industrial electronics. The LM2903VDR2G features low input offset voltage, very low current drain, and compatibility with multiple logic levels, enhancing its versatility and performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| No of Channels | 2 | |
| Supply Voltage Range (Single Supply) | 2.0 to 36 | Vdc |
| Supply Voltage Range (Split Supply) | ±1.0 to ±18 | Vdc |
| Input Offset Voltage (Max) | 5.0 | mV |
| Input Bias Current | 25 | nA |
| Input Offset Current | 5.0 | nA |
| Current Drain | 0.4 | mA |
| Output Short Circuit Current | 20 | mA |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | SOIC-8 | |
| Mounting Method | Surface Mount |
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
- 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 Site and Control Changes
Applications
The LM2903VDR2G is an excellent choice for various applications in:
- Consumer Electronics: Due to its low power consumption and compatibility with multiple logic levels.
- Automotive Electronics: Qualified for automotive use with the NCV prefix, it meets AEC-Q100 standards.
- Industrial Electronics: Suitable for industrial environments due to its robust design and wide operating temperature range.
Q & A
- What is the supply voltage range for the LM2903VDR2G?
The supply voltage range for the LM2903VDR2G is 2.0 Vdc to 36 Vdc for single supply and ±1.0 Vdc to ±18 Vdc for split supply.
- What is the input offset voltage of the LM2903VDR2G?
The input offset voltage of the LM2903VDR2G is as low as 5.0 mV (max).
- What is the current drain of the LM2903VDR2G?
The current drain of the LM2903VDR2G is very low, at 0.4 mA, independent of the supply voltage.
- Is the LM2903VDR2G compatible with multiple logic levels?
Yes, the LM2903VDR2G output voltage is compatible with DTL, ECL, TTL, MOS, and CMOS logic levels.
- What is the operating temperature range of the LM2903VDR2G?
The operating temperature range of the LM2903VDR2G is -40°C to 125°C.
- Is the LM2903VDR2G Pb-free and RoHS compliant?
Yes, the LM2903VDR2G is Pb-free, halogen-free, and RoHS compliant.
- What are the package options for the LM2903VDR2G?
The LM2903VDR2G is available in SOIC-8 and Micro8 packages.
- Does the LM2903VDR2G have ESD protection?
Yes, the LM2903VDR2G has ESD clamps on the inputs to increase the ruggedness of the device without affecting performance.
- Is the LM2903VDR2G qualified for automotive use?
Yes, the LM2903VDR2G with the NCV prefix is qualified for automotive use and meets AEC-Q100 standards.
- What is the maximum output current of the LM2903VDR2G?
The maximum output current of the LM2903VDR2G can be as high as 20 mA, independent of the magnitude of VCC.
