Overview
The LM239PWRG4 is a quad differential comparator integrated circuit produced by Texas Instruments. Although this specific part is listed as obsolete, it is part of the LM239 family, which is widely used in various applications. The LM239 comparators are designed to operate from a single power supply over a wide range of voltages, making them versatile for different electronic systems.
The LM239 series is an improvement over earlier comparator models, offering enhanced specifications such as lower input offset voltage, lower input bias current, and faster response times. These features make the LM239 suitable for a broad spectrum of applications, including industrial control, consumer electronics, and automotive systems.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| Supply Voltage (VS) | 2 | 36 | V |
| Differential Input Voltage (VID) | ±38 | V | |
| Input Pins Voltage (IN+, IN-) | -0.3 | 38 | V |
| Output Pin Voltage (OUT) | -0.3 | 38 | V |
| Output Sink Current | 25 | mA | |
| Ambient Temperature (TA) | -25 | 85 | °C |
| Junction Temperature (TJ) | 150 | °C | |
| Storage Temperature (Tstg) | -65 | 150 | °C |
| Input Bias Current | 25 | nA | |
| Input Offset Voltage | 2 | mV | |
| Propagation Delay | 1 | μs |
Key Features
- Wide supply voltage range: 2 V to 36 V for single supply and ±1 V to ±18 V for dual supplies.
- Low input bias current: 25 nA (typical).
- Low input offset voltage: 2 mV (typical).
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage: ±38 V.
- Output compatible with TTL, MOS, and CMOS.
- Faster response time of 1 μs.
- Improved ESD rating (HBM): 2 kV.
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.
- Consumer appliances and industrial control systems.
Q & A
- What is the supply voltage range for the LM239PWRG4?
The supply voltage range is from 2 V to 36 V for single supply and ±1 V to ±18 V for dual supplies.
- What is the typical input bias current of the LM239PWRG4?
The typical input bias current is 25 nA).
- What is the common-mode input voltage range for the LM239PWRG4?
The common-mode input voltage range includes ground).
- What is the differential input voltage range for the LM239PWRG4?
The differential input voltage range is equal to the maximum-rated supply voltage: ±38 V).
- Is the output of the LM239PWRG4 compatible with other logic families?
Yes, the output is compatible with TTL, MOS, and CMOS).
- What is the propagation delay of the LM239PWRG4?
The propagation delay is 1 μs).
- What is the ESD rating of the LM239PWRG4?
The ESD rating is 2 kV (HBM)).
- What are some common applications of the LM239PWRG4?
Common applications include vacuum robots, single-phase UPS, cordless power tools, building automation, and motor drives).
- What is the ambient temperature range for the LM239PWRG4?
The ambient temperature range is from -25°C to 85°C).
- Is the LM239PWRG4 still in production?
No, the LM239PWRG4 is listed as obsolete and no longer manufactured).
