Overview
The LM239PWRE4, produced by Texas Instruments, is a quad differential comparator integrated circuit. It is part of the LM239 family, which is known for its versatility and reliability in various analog comparison applications. This device is designed to operate from a single power supply over a wide range of voltages, making it suitable for a broad spectrum of electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2 to 30 | V |
| Total Supply Current (5V to 30V max) | 1 to 2.5 | mA |
| Temperature Range | -25 to 85 | °C |
| ESD Rating (HBM) | 1000 | V |
| Offset Voltage (Max over temp) | ± 9 | mV |
| Input Bias Current (typ / max) | 25 / 250 | nA |
| Response Time (typ) | 1.3 | µsec |
| Differential Input Voltage Range | ±30 V | V |
| Output Compatibility | TTL, MOS, CMOS |
Key Features
- Quad differential comparator with four independent voltage comparators.
- Operates from a single power supply over a wide voltage range (2V to 30V).
- Low input offset voltage and low input bias current.
- Low supply current (1 to 2.5 mA).
- Faster response time of 1.3 µsec.
- Output compatible with TTL, MOS, and CMOS logic.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to the maximum-rated supply voltage.
- Improved ESD performance with 1 kV HBM rating.
Applications
- Vacuum robots and other automated systems.
- Single-phase UPS and server power supplies.
- Cordless power tools and wireless infrastructure.
- Building automation and factory automation & control.
- Motor drives and infotainment systems.
- Appliances and various industrial control systems.
Q & A
- What is the LM239PWRE4 used for?
The LM239PWRE4 is used as a quad differential comparator in various analog comparison applications.
- What is the operating voltage range of the LM239PWRE4?
The LM239PWRE4 operates from a single power supply over a voltage range of 2V to 30V.
- What is the typical response time of the LM239PWRE4?
The typical response time is 1.3 µsec.
- Is the LM239PWRE4 compatible with TTL, MOS, and CMOS logic?
- What is the ESD rating of the LM239PWRE4?
The ESD rating is 1 kV according to the Human-Body Model (HBM).
- What are some common applications of the LM239PWRE4?
Common applications include vacuum robots, single-phase UPS, server power supplies, cordless power tools, and various industrial control systems.
- How many independent comparators does the LM239PWRE4 have?
The LM239PWRE4 has four independent voltage comparators.
- What is the typical input bias current of the LM239PWRE4?
The typical input bias current is 25 nA.
- What is the maximum offset voltage of the LM239PWRE4 over temperature?
The maximum offset voltage is ±9 mV.
- Can the LM239PWRE4 be used in high-temperature environments?
The device operates within a temperature range of -25°C to 85°C.
