Overview
The LM339DRG3 is a quad differential comparator integrated circuit produced by Texas Instruments. It is part of the LM339 series, known for its versatility and reliability in various analog and digital applications. This device is particularly useful in scenarios where multiple comparisons between different voltage levels are required. The LM339DRG3 is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for a wide range of electronic systems.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Maximum-Rated Supply Voltage | ±36 V | –40°C to 125°C |
| Output Saturation Voltage | Low | Resistive and scales with load current |
| Input Bias Current | –400 nA to 400 nA | Full range, VO = 1.4 V |
| Common-Mode Input Voltage Range | 0 to VCC – 1.5 V | |
| Differential Voltage Amplification | 50 to 200 V/mV | RL ≥ 15 kΩ, VO = 1.4 V to 11.4 V, 25°C |
| Operating Temperature Range | 0°C to 70°C | |
| Package Type | 14-pin SOIC |
Key Features
- Quad differential comparators in a single package, allowing for multiple comparisons in a single IC.
- Low output saturation voltage, making it compatible with TTL, MOS, and CMOS logic.
- Wide supply voltage range of ±36 V, enabling operation in various power environments.
- High differential voltage amplification, suitable for precise voltage comparisons.
- Compact 14-pin SOIC package, ideal for space-constrained designs.
Applications
- Industrial control systems: Used in power supervision, oscillators, and peak detectors.
- Automotive systems: Suitable for HEV/EV power trains, infotainment, and body control modules.
- Logic voltage translation: Enables compatibility between different logic families.
- Analog and digital circuits: Useful in various analog and digital signal processing applications.
Q & A
- What is the maximum supply voltage for the LM339DRG3?
The maximum-rated supply voltage for the LM339DRG3 is ±36 V. - What is the output saturation voltage of the LM339DRG3?
The output saturation voltage is low and resistive, scaling with the load current. - What is the common-mode input voltage range for the LM339DRG3?
The common-mode input voltage range is from 0 to VCC – 1.5 V. - What is the differential voltage amplification of the LM339DRG3?
The differential voltage amplification is 50 to 200 V/mV, with RL ≥ 15 kΩ and VO = 1.4 V to 11.4 V at 25°C. - What is the operating temperature range of the LM339DRG3?
The operating temperature range is 0°C to 70°C. - In what package is the LM339DRG3 available?
The LM339DRG3 is available in a 14-pin SOIC package. - Is the LM339DRG3 compatible with TTL, MOS, and CMOS logic?
Yes, the LM339DRG3 is compatible with TTL, MOS, and CMOS logic due to its low output saturation voltage. - What are some common applications of the LM339DRG3?
Common applications include industrial control systems, automotive systems, logic voltage translation, and various analog and digital circuits. - What is the input bias current range for the LM339DRG3?
The input bias current range is from –400 nA to 400 nA, full range, with VO = 1.4 V. - Is the LM339DRG3 suitable for safety-critical applications?
No, it is important to note that the LM339DRG3, like other comparators, should be used with caution in safety-critical applications and always refer to the datasheet for specific guidelines and disclaimers.
