Overview
The LM339N/NOPB is a low-power, low-offset voltage quad comparator produced by Texas Instruments. This component is part of the LMx39-N series, which consists of four independent precision voltage comparators designed to operate from a single power supply over a wide range of voltages. The LM339N/NOPB is particularly notable for its high precision, low power consumption, and compatibility with various logic systems, including TTL, DTL, ECL, MOS, and CMOS.
Key Specifications
| Specification | Value |
|---|---|
| Package | PDIP (N) - 14 pins |
| Operating Temperature Range | 0°C to 70°C |
| Supply Voltage Range | 2 V to 36 V DC or ±1 V to ±18 V DC |
| Supply Current Drain | 0.8 mA (independent of supply voltage) |
| Input Biasing Current | 25 nA |
| Input Offset Current | ±5 nA |
| Offset Voltage | ±3 mV |
| Input Common-Mode Voltage Range | Includes GND |
| Differential Input Voltage Range | Equal to the power supply voltage |
| Output Saturation Voltage | 250 mV at 4 mA |
| Output Compatibility | TTL, DTL, ECL, MOS, and CMOS logic systems |
Key Features
- Wide supply voltage range: 2 V to 36 V DC or ±1 V to ±18 V DC
- Very low supply current drain: 0.8 mA, independent of supply voltage
- Low input biasing current: 25 nA
- Low input offset current: ±5 nA
- Low offset voltage: ±3 mV
- Input common-mode voltage range includes GND
- Differential input voltage range equal to the power supply voltage
- Low output saturation voltage: 250 mV at 4 mA
- Output voltage compatible with TTL, DTL, ECL, MOS, and CMOS logic systems
- High-precision comparators with reduced VOS drift over temperature
- Eliminates the need for dual supplies and allows sensing near GND
Applications
The LM339N/NOPB is versatile and can be used in a variety of applications, including:
- Medium-speed comparator circuits
- Interface with TTL, DTL, ECL, MOS, and CMOS logic systems
- Battery-operated devices due to low power consumption
- Sensing circuits that require operation near ground potential
- Industrial control systems
- Automotive electronics
- Medical devices requiring high precision and low power consumption
Q & A
- What is the operating temperature range of the LM339N/NOPB?
The operating temperature range is 0°C to 70°C. - What is the supply voltage range for the LM339N/NOPB?
The supply voltage range is 2 V to 36 V DC or ±1 V to ±18 V DC. - How much current does the LM339N/NOPB draw from the supply voltage?
The LM339N/NOPB draws 0.8 mA, which is independent of the supply voltage. - What is the input biasing current of the LM339N/NOPB?
The input biasing current is 25 nA. - What is the offset voltage of the LM339N/NOPB?
The offset voltage is ±3 mV. - Is the output of the LM339N/NOPB compatible with various logic systems?
Yes, the output is compatible with TTL, DTL, ECL, MOS, and CMOS logic systems. - Can the LM339N/NOPB operate from a single power supply?
Yes, it can operate from a single power supply and also from split power supplies. - What is the differential input voltage range of the LM339N/NOPB?
The differential input voltage range is equal to the power supply voltage. - What is the output saturation voltage of the LM339N/NOPB at 4 mA?
The output saturation voltage is 250 mV at 4 mA. - Is the LM339N/NOPB suitable for battery-operated devices?
Yes, it is suitable due to its low power consumption.
