Overview
The LM139ADRG4 from Texas Instruments is a precision quad differential comparator, designed to meet military-grade standards. This component is part of the LM139A series, known for its high accuracy and reliability. The LM139ADRG4 is housed in a 14-pin SOIC (D) package, making it suitable for a wide range of applications that require multiple comparator functions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2 to 30 | V |
| Differential Input Voltage | ±38 | V |
| Input Offset Voltage (Max over temp) | ±4 | mV |
| Input Bias Current (typ / max) | 3.5 / 25 | nA |
| Supply Current (per comparator) | 200 | µA |
| Response Time (typ) | 1.3 | µsec |
| Temperature Range | -55 to 125 | °C |
| ESD Rating (HBM) | 1000 | V |
| Output Saturation Voltage | Low | - |
| Output Compatibility | TTL, MOS, CMOS | - |
Key Features
- Low input offset voltage: ±4 mV over temperature range.
- Low input bias current: 3.5 nA typical.
- Low supply current: 200 µA per comparator.
- Faster response time: 1.3 µsec typical.
- Extended temperature range: -55°C to 125°C.
- High ESD rating: 1000 V (HBM).
- Output compatible with TTL, MOS, and CMOS logic.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage: ±38 V.
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 LM139ADRG4?
The LM139ADRG4 is a precision quad differential comparator from Texas Instruments, designed to meet military-grade standards.
- What is the supply voltage range for the LM139ADRG4?
The supply voltage range is from 2 V to 30 V.
- What is the typical response time of the LM139ADRG4?
The typical response time is 1.3 µsec.
- What is the input offset voltage of the LM139ADRG4?
The maximum input offset voltage over temperature is ±4 mV.
- Is the LM139ADRG4 ESD protected?
- What are the common applications of the LM139ADRG4?
It is used in vacuum robots, single-phase UPS systems, server power supplies, cordless power tools, and more.
- What is the temperature range for the LM139ADRG4?
The operating temperature range is from -55°C to 125°C.
- Is the output of the LM139ADRG4 compatible with other logic types?
- What is the package type of the LM139ADRG4?
- Can the LM139ADRG4 be used in safety-critical applications?
