Overview
The LM393EDR2G is a dual independent precision voltage comparator produced by onsemi. This device is part of the LM393 series, known for its low offset voltage and wide range of supply voltage operation. It is suitable for various applications in consumer, automotive, and industrial electronics due to its high performance and robust design.
The LM393EDR2G operates with a single or split supply, allowing for a common mode range that extends to ground level. This flexibility, combined with its low input bias and offset currents, makes it an excellent choice for precision voltage comparison tasks.
Key Specifications
| Characteristic | Symbol | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Power Supply Voltage | VCC | Vdc | 2.0 | - | 36 or ±18 |
| Input Differential Voltage | VIDR | V | - | - | 36 |
| Input Common Mode Voltage Range | VICR | V | -0.3 | - | VCC - 1.5 |
| Input Offset Voltage | VIO | mV | - | ±1.0 | ±5.0 |
| Input Offset Current | IIO | nA | - | ±5.0 | ±50 |
| Input Bias Current | IIB | nA | - | 20 | 250 |
| Output Sink Current | ISink | mA | 6.0 | - | 16 |
| Output Saturation Voltage | VOL | mV | - | - | 400 |
| Supply Current | ICC | mA | 0.4 | - | 1.0 |
| Operating Ambient Temperature Range | TA | °C | 0 | - | 70 |
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, halogen-free/BFR-free, and RoHS compliant
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements
Applications
The LM393EDR2G is versatile and can be used in a variety of applications, including:
- Consumer electronics: For precision voltage comparison and monitoring tasks.
- Automotive electronics: Qualified to AEC-Q100 standards, making it suitable for automotive systems.
- Industrial electronics: For applications requiring robust and precise voltage comparison, such as in control systems and monitoring circuits.
- Medical devices: Where precise voltage comparison is critical for accurate readings and reliable operation.
Q & A
- What is the operating supply voltage range for the LM393EDR2G?
The LM393EDR2G operates with a single supply from 2.0 Vdc to 36 Vdc and with a split supply from ±1.0 Vdc to ±18 Vdc.
- What is the input offset voltage of the LM393EDR2G?
The input offset voltage is as low as ±1.0 mV and up to ±5.0 mV.
- What is the maximum output sink current of the LM393EDR2G?
The maximum output sink current is 16 mA.
- Is the LM393EDR2G RoHS compliant?
- What are the typical applications of the LM393EDR2G?
The LM393EDR2G is used in consumer electronics, automotive electronics, industrial electronics, and medical devices where precise voltage comparison is required.
- What is the operating ambient temperature range for the LM393EDR2G?
The operating ambient temperature range is from 0°C to 70°C.
- Does the LM393EDR2G have ESD protection?
- Is the LM393EDR2G qualified for automotive use?
- What is the input bias current of the LM393EDR2G?
The input bias current is typically 20 nA and can be up to 250 nA.
- What is the supply current of the LM393EDR2G?
The supply current is typically 0.4 mA and can be up to 1.0 mA.
