Overview
The LM2903EDR2G is a dual independent precision voltage comparator produced by onsemi. This device is part of the LM2903 series, which is designed for single or split supply operation. It features low input offset voltage, making it suitable for various applications in consumer, automotive, and industrial electronics. The LM2903EDR2G is AEC-Q100 qualified and PPAP capable, making it particularly reliable for automotive and other demanding applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Supply Voltage | 2.0 to 36 Vdc (single supply), ±1.0 to ±18 Vdc (split supply) | V |
| Input Differential Voltage | 36 V | V |
| Input Common Mode Voltage Range | 0 to VCC - 1.5 V | V |
| Input Offset Voltage | ±2.0 mV (max at 25°C), ±9.0 mV (max over temperature range) | mV |
| Input Offset Current | ±5.0 nA (typ at 25°C), ±50 nA (max over temperature range) | nA |
| Input Bias Current | 20 nA (typ at 25°C), 250 nA (max over temperature range) | nA |
| Output Sink Current | 16 mA (typ at 25°C) | mA |
| Output Saturation Voltage | 400 mV (max at 25°C, ISink ≤ 4.0 mA) | mV |
| Supply Current | 0.4 mA (typ at 25°C), 1.0 mA (max at 25°C) | mA |
| Operating Ambient Temperature Range | -40°C to +105°C | °C |
| Maximum Operating Junction Temperature | 150°C | °C |
| Storage Temperature Range | -65°C to +150°C | °C |
| Package Type | SOIC-8 |
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
The LM2903EDR2G is versatile and can be used in a variety of applications, including:
- Consumer electronics: For voltage monitoring and control in household appliances.
- Automotive electronics: Qualified for automotive use with AEC-Q100 and PPAP capabilities.
- Industrial electronics: Suitable for industrial control systems, sensors, and monitoring circuits.
- Medical devices: For precise voltage comparisons in medical equipment.
- Power supplies: For overvoltage and undervoltage protection.
Q & A
- What is the operating temperature range of the LM2903EDR2G?
The operating temperature range is -40°C to +105°C. - What is the maximum input differential voltage for the LM2903EDR2G?
The maximum input differential voltage is 36 V. - What is the typical supply current for the LM2903EDR2G?
The typical supply current is 0.4 mA at 25°C. - Is the LM2903EDR2G RoHS compliant?
Yes, the LM2903EDR2G is Pb-free, halogen-free/BFR-free, and RoHS compliant. - What are the package options for the LM2903EDR2G?
The device is available in an SOIC-8 package. - What is the maximum output sink current for the LM2903EDR2G?
The maximum output sink current is 16 mA. - What is the input offset voltage of the LM2903EDR2G?
The input offset voltage is ±2.0 mV (max at 25°C) and ±9.0 mV (max over the temperature range). - Is the LM2903EDR2G suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive use. - What is the storage temperature range for the LM2903EDR2G?
The storage temperature range is -65°C to +150°C. - What are the compatible logic levels for the output voltage of the LM2903EDR2G?
The output voltage is compatible with DTL, ECL, TTL, MOS, and CMOS logic levels.
