Overview
The LM339MX/NOPB, produced by Texas Instruments, is a low-power, low-offset voltage quad comparator. This integrated circuit is part of the LMx39-N series, which includes four independent precision voltage comparators designed to operate over a wide range of supply voltages. The LM339MX/NOPB is particularly useful for applications requiring high precision and low power consumption, making it suitable for battery-operated devices and other power-sensitive applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (Single Supply) | 2 | - | 36 | VDC |
| Supply Voltage (Dual Supply) | ±1 | - | ±18 | VDC |
| Input Offset Voltage | - | 2.0 | 5.0 | mVDC |
| Input Bias Current | - | 25 | 250 | nA |
| Input Offset Current | - | 5.0 | 50 | nA |
| Input Common-Mode Voltage Range | 0 | - | V+ - 1.5 | VDC |
| Output Saturation Voltage | - | - | 250 | mVDC at 4 mA |
| Operating Temperature | 0 | - | 70 | °C |
| Power Dissipation | - | - | 1000 | mW |
Key Features
- Wide supply voltage range: 2 to 36 VDC or ±1 to ±18 VDC
- 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 input offset voltage: ±3 mV
- Input common-mode voltage range includes ground
- 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
Applications
- Limit comparators
- Simple analog-to-digital converters (ADCs)
- Pulse, squarewave, and time delay generators
- One-shot multivibrators with input lockout
- Wide range voltage-controlled oscillators (VCOs); MOS clock timers
- Multivibrators and high-voltage digital logic gates
Q & A
- What is the supply voltage range for the LM339MX/NOPB?
The supply voltage range for the LM339MX/NOPB is 2 to 36 VDC or ±1 to ±18 VDC.
- What is the typical supply current drain of the LM339MX/NOPB?
The typical supply current drain is 0.8 mA, which is independent of the supply voltage.
- What is the input offset voltage of the LM339MX/NOPB?
The input offset voltage is as low as ±3 mV.
- Can the LM339MX/NOPB operate with a single power supply?
- What is the operating temperature range for the LM339MX/NOPB?
The operating temperature range is 0°C to 70°C.
- Is the LM339MX/NOPB compatible with various logic systems?
- What are some common applications of the LM339MX/NOPB?
- What is the input common-mode voltage range for the LM339MX/NOPB?
The input common-mode voltage range includes ground and extends up to V+ - 1.5 VDC.
- How does the LM339MX/NOPB handle input voltage excursions?
The comparator can handle input voltage excursions that exceed the power supply level as long as the other voltage remains within the common-mode range.
- What is the power dissipation of the LM339MX/NOPB?
The power dissipation is typically 1000 mW.
