Overview
The LM339PWRG4 is a quad differential comparator produced by Texas Instruments. It is part of the next-generation LM339 and LM2901 comparator family, known for their improved specifications and robust performance. These comparators are designed to operate from a single power supply over a wide range of voltages, making them versatile for various applications. The LM339PWRG4 features four independent voltage comparators, each capable of operating with a single supply or dual supplies, and is compatible with TTL, MOS, and CMOS logic.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 2 V to 36 V (single supply), ±1 V to ±18 V (dual supplies) |
| Maximum Rating | Up to 38 V |
| ESD Rating (HBM) | 2 kV |
| Input Offset Voltage (Max over temp) | ± 5.5 mV |
| Input Bias Current (typ / max) | 3.5 nA / 25 nA |
| Supply Current per Comparator | 200 µA |
| Response Time (typ) | 1 µsec |
| Temperature Range | −40 to 85 °C |
| Output Compatibility | TTL, MOS, CMOS |
Key Features
- Improved specifications of B-version, including lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current.
- Low output saturation voltage and fast response time of 1 µsec.
- Common-mode input voltage range includes ground, and differential input voltage range equal to maximum-rated supply voltage: ±38 V.
- Drop-in replacement for LM239, LM339, and LM2901 A and V versions.
- Enhanced ESD performance and input ruggedness through dedicated ESD clamps.
Applications
- Vacuum robots
- Single-phase UPS
- 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 for the LM339PWRG4? The LM339PWRG4 can operate with a single supply from 2 V to 36 V or dual supplies from ±1 V to ±18 V.
- What is the maximum ESD rating for the LM339PWRG4? The ESD rating for the LM339PWRG4 is 2 kV.
- What is the typical response time of the LM339PWRG4? The typical response time is 1 µsec.
- Is the LM339PWRG4 compatible with TTL, MOS, and CMOS logic? Yes, it is compatible with TTL, MOS, and CMOS logic.
- What is the input offset voltage range for the LM339PWRG4? The maximum input offset voltage over temperature is ± 5.5 mV.
- Can the LM339PWRG4 replace older versions of the LM339 and LM2901? Yes, the LM339PWRG4 can drop-in replace the LM239, LM339, and LM2901 A and V versions.
- What are some common applications of the LM339PWRG4? Common applications include vacuum robots, single-phase UPS, server power supplies, cordless power tools, and more.
- What is the temperature range for the LM339PWRG4? The temperature range is −40 to 85 °C.
- How many independent comparators does the LM339PWRG4 have? The LM339PWRG4 has four independent voltage comparators.
- What is the typical supply current per comparator for the LM339PWRG4? The typical supply current per comparator is 200 µA.
