Overview
The LM239PWR, produced by Texas Instruments, is a quad differential comparator integrated circuit. It is part of the LM239 family, which is known for its high performance and versatility in various 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. The LM239PWR is an enhanced version of the LM239, offering improved specifications such as lower offset voltage, higher supply voltage capability, and lower supply current.
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 | 0 to 70 | °C |
| ESD (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 Saturation Voltage | Low | - |
| Output Compatibility | TTL, MOS, CMOS | - |
Key Features
- Quad differential comparators with four independent voltage comparators.
- Low input offset voltage: ±9 mV.
- Low input bias current: 25 nA (typical), 250 nA (maximum).
- Low supply current: 1 to 2.5 mA.
- Faster response time: 1.3 µsec (typical).
- High ESD rating: 1000 V (HBM).
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage: ±30 V.
- Output compatible with TTL, MOS, and CMOS logic.
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 LM239PWR? The LM239PWR is a quad differential comparator integrated circuit produced by Texas Instruments.
- What is the supply voltage range for the LM239PWR? The supply voltage range is from 2 to 30 volts.
- What is the typical response time of the LM239PWR? The typical response time is 1.3 microseconds.
- What is the ESD rating of the LM239PWR? The ESD rating is 1000 volts (HBM).
- Is the LM239PWR compatible with TTL, MOS, and CMOS logic? Yes, the output of the LM239PWR is compatible with TTL, MOS, and CMOS logic.
- What are some common applications of the LM239PWR? Common applications include vacuum robots, single-phase UPS systems, server power supplies, cordless power tools, and more.
- What is the temperature range for the LM239PWR? The operating temperature range is from 0 to 70 degrees Celsius.
- How many comparators does the LM239PWR have? The LM239PWR has four independent voltage comparators.
- What is the typical input bias current of the LM239PWR? The typical input bias current is 25 nA.
- Can the LM239PWR be used in safety-critical applications? It is advisable to consult the datasheet and relevant application notes to ensure suitability for safety-critical applications.
