Overview
The LM139DRG4 is a quad differential comparator produced by Texas Instruments. It is designed to operate from a single power supply over a wide range of voltages, making it versatile for various applications. This component is part of the LM139 family, which is known for its high performance and reliability. The LM139DRG4 is particularly suited for military-grade applications due to its robust specifications and extended temperature range.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2 to 36 | V |
| Differential Input Voltage | ±38 | V |
| Input Bias Current (typ / max) | 3.5 / 25 | nA |
| Offset Voltage (Max over temp) | ± 9 | mV |
| Response Time (typ) | 1.3 | µsec |
| Total Supply Current (5V to 36V max) | 1 to 2.5 | mA |
| Temperature Range | -55 to 125 | °C |
| ESD Rating (HBM) | 1000 | V |
| Output Saturation Voltage | Low | - |
| Output Compatibility | TTL, MOS, CMOS | - |
| Package Type | SOIC (D) 14 pins | - |
Key Features
- Quad differential comparators in a single package.
- Wide supply voltage range: 2 to 36 V.
- Low input offset voltage: ±9 mV.
- Low input bias current: 3.5 nA (typical).
- Fast response time: 1.3 µsec (typical).
- Extended temperature range: -55 to 125 °C.
- High ESD rating: 1000 V (HBM).
- Output compatible with TTL, MOS, and CMOS logic.
- Low output saturation voltage.
Applications
- Vacuum robots.
- Single-phase UPS systems.
- Server power supplies.
- Cordless power tools.
- Wireless infrastructure.
- Appliances.
- Building automation.
- Factory automation and control.
- Motor drives.
- Infotainment and cluster systems.
Q & A
- What is the supply voltage range of the LM139DRG4?
The supply voltage range is from 2 to 36 V. - What is the typical response time of the LM139DRG4?
The typical response time is 1.3 µsec. - What is the temperature range of the LM139DRG4?
The temperature range is from -55 to 125 °C. - Is the LM139DRG4 compatible with TTL, MOS, and CMOS logic?
Yes, the output is compatible with TTL, MOS, and CMOS logic. - What is the ESD rating of the LM139DRG4?
The ESD rating is 1000 V (HBM). - What package type is the LM139DRG4 available in?
The LM139DRG4 is available in a SOIC (D) package with 14 pins. - What are some common applications of the LM139DRG4?
Common applications include vacuum robots, single-phase UPS systems, server power supplies, cordless power tools, and more. - What is the input bias current of the LM139DRG4?
The typical input bias current is 3.5 nA. - What is the maximum offset voltage of the LM139DRG4?
The maximum offset voltage is ±9 mV. - Can the LM139DRG4 be used in military-grade applications?
Yes, it is suitable for military-grade applications due to its robust specifications and extended temperature range.
