Overview
The LM339AMX, produced by Texas Instruments, is a quad differential input voltage comparator designed for a wide range of applications. This component is part of the LMx39/LM2901 series and is known for its low power consumption and low offset voltage. It operates from a single power supply and is compatible with various logic families, making it versatile for use in multiple electronic systems. The LM339AMX is particularly suited for applications requiring precise voltage comparisons, such as in industrial automation, consumer electronics, and automotive systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2 to 36 | V | Single or dual supply |
| Input Offset Voltage | 2 | mV | Max @ 30V |
| Input Bias Current | 0.25 | µA | Max @ 5V |
| Output Current | 16 | mA | Typ @ 5V |
| Response Time | 1300 | ns | Max |
| Operating Temperature | 0 to 70 | °C | |
| Package | SOIC-14 | Surface mount |
Key Features
- Low power consumption
- Low offset voltage
- Wide supply voltage range
- Open-collector outputs for wired-OR connections
- Compatible with TTL, DTL, MOS, and CMOS logic
Applications
The LM339AMX is widely used in various fields such as industrial automation for control systems, consumer electronics for battery monitoring, and automotive electronics for sensor interfacing. Its ability to operate over a wide range of supply voltages and its compatibility with multiple logic families make it an ideal choice for applications requiring reliable and precise voltage comparisons.
Q & A
What is the operating voltage range of LM339AMX?
The LM339AMX can operate from a supply voltage of 2V to 36V, either single or dual supply.
What is the typical input offset voltage?
The typical input offset voltage is 2mV.
Can LM339AMX be used in automotive applications?
Yes, it is suitable for automotive applications due to its robust design and wide operating temperature range.
What is the package type of LM339AMX?
It comes in an SOIC-14 package, which is suitable for surface mount technology.
Is LM339AMX compatible with CMOS logic?
Yes, it is compatible with CMOS, as well as TTL, DTL, and MOS logic families.
What is the maximum response time of LM339AMX?
The maximum response time is 1300ns.
How does LM339AMX handle power consumption?
It is designed for low power consumption, making it ideal for battery-operated devices.
What are the typical applications of LM339AMX?
Typical applications include voltage monitoring, level detection, and signal conditioning in various electronic systems.
What is the maximum output current?
The maximum output current is 16mA.
What is the significance of open-collector outputs in LM339AMX?
Open-collector outputs allow for wired-OR connections, providing flexibility in circuit design.
