Overview
The LM339N/PB, produced by Texas Instruments, is a quad differential voltage comparator integrated circuit. It is part of the next-generation B-version comparators, offering improved specifications over earlier versions. This device is designed to operate from a single power supply over a wide range of voltages and can also function with split power supplies. The LM339N/PB is known for its low power consumption, high precision, and compatibility with various logic systems, making it a versatile component for a variety of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Output Type | Open-collector |
| Propagation Delay Time | 0.7 µs |
| Supply Voltage Range (Single) | 2 V to 36 V |
| Supply Voltage Range (Dual) | ±1 V to ±18 V |
| Input Offset Voltage | ±5 mV |
| Input Bias Current | 25 nA |
| Input Offset Current | ±5 nA |
| Quiescent Current per Channel | 0.2 mA |
| Operating Temperature Range | 0°C to 70°C |
| ESD Rating (HBM) | 2 kV |
| Output Saturation Voltage | 250 mV at 4 mA |
Key Features
- Four individually operated voltage comparators.
- Low noise interference among comparators.
- Single supply operation from 2 V to 36 V and dual supply operation from ±1 V to ±18 V.
- Low input bias current and low input offset voltage.
- Input common-mode voltage range includes ground.
- Differential input voltage range equal to the maximum-rated supply voltage.
- Low output saturation voltage.
- Output compatible with TTL, DTL, ECL, MOS, and CMOS logic systems.
- ESD clamps on the inputs for increased reliability.
- Pb-free, halogen-free, and RoHS compliant.
Applications
The LM339N/PB is suitable for a wide range of applications, including simple analog-to-digital converters, limit comparators, and sensing circuits near ground. Its compatibility with various logic systems makes it ideal for use in battery-operated devices, industrial control systems, and other applications where low power consumption and high precision are required.
Q & A
- What is the LM339N/PB? The LM339N/PB is a quad differential voltage comparator integrated circuit produced by Texas Instruments.
- How many voltage comparators does the LM339N/PB have? The LM339N/PB has four individually operated voltage comparators.
- What is the supply voltage range for the LM339N/PB? The LM339N/PB can operate from a single supply voltage of 2 V to 36 V and from dual supplies of ±1 V to ±18 V.
- What is the input bias current of the LM339N/PB? The input bias current is 25 nA.
- Is the LM339N/PB compatible with TTL and CMOS logic systems? Yes, the LM339N/PB is compatible with TTL, DTL, ECL, MOS, and CMOS logic systems.
- What is the propagation delay time of the LM339N/PB? The propagation delay time is 0.7 µs.
- Is the LM339N/PB RoHS compliant? Yes, the LM339N/PB is Pb-free, halogen-free, and RoHS compliant.
- What is the operating temperature range of the LM339N/PB? The operating temperature range is 0°C to 70°C.
- What is the ESD rating of the LM339N/PB? The ESD rating is 2 kV (HBM).
- Can the LM339N/PB be used in battery-operated devices? Yes, the LM339N/PB is suitable for battery-operated devices due to its low power consumption.
