LM239J

Product Overview

Category: Integrated Circuit
Use: Operational Amplifier
Characteristics: High precision, low power consumption
Package: DIP-14
Essence: Versatile operational amplifier
Packaging/Quantity: Tube of 25 units

Specifications

Supply Voltage: ±1.5V to ±18V
Input Offset Voltage: 2mV max
Input Bias Current: 25nA max
Common Mode Rejection Ratio: 70dB min
Gain Bandwidth Product: 1.3MHz typ

Detailed Pin Configuration

Offset Null 1
Inverting Input 1
Non-Inverting Input 1
V-
Offset Null 2
Output 1
V+
NC
NC
V+
Output 2
Offset Null 4
Non-Inverting Input 2
Inverting Input 2

Functional Features

Low input offset voltage
Wide supply voltage range
Low power consumption
High slew rate

Advantages and Disadvantages

Advantages: - High precision - Versatile applications - Low power consumption

Disadvantages: - Limited bandwidth compared to newer models - Limited output current capability

Working Principles

LM239J is an operational amplifier that amplifies the difference in voltage between its two inputs. It operates by comparing the voltages at the non-inverting and inverting inputs and producing an output voltage proportional to the difference.

Detailed Application Field Plans

LM239J is commonly used in audio amplifiers, signal conditioning circuits, and sensor interfaces due to its high precision and low power consumption. It is also suitable for battery-powered applications and portable devices.

Detailed and Complete Alternative Models

LM324
LM358
LM2902
LM339

LM239J offers high precision and low power consumption, making it suitable for various applications. However, its limited bandwidth and output current capability may be a drawback in certain high-speed or high-current applications.

Overall, LM239J is a versatile operational amplifier with a wide range of applications, especially in low-power and precision-critical circuits. Its functional features and specifications make it a reliable choice for many electronic designs.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LM239J dalam solusi teknis

What is LM239J?
- LM239J is a quad differential comparator that is commonly used in electronic circuits to compare voltages and make decisions based on those comparisons.
What are the typical applications of LM239J?
- LM239J is commonly used in voltage monitoring, level shifting, window comparators, and signal conditioning circuits.
What is the operating voltage range for LM239J?
- The operating voltage range for LM239J is typically between 2V and 36V.
What is the input offset voltage of LM239J?
- The input offset voltage of LM239J is typically around 2mV.
What is the input bias current of LM239J?
- The input bias current of LM239J is typically around 25nA.
What is the output sink current capability of LM239J?
- The output sink current capability of LM239J is typically around 16mA.
Can LM239J operate in a single-supply configuration?
- Yes, LM239J can operate in a single-supply configuration as long as the voltage is within its specified operating range.
What is the temperature range for LM239J?
- The temperature range for LM239J is typically between -40°C and 125°C.
Does LM239J have built-in hysteresis?
- No, LM239J does not have built-in hysteresis, but external components can be added to provide hysteresis if needed.
Is LM239J suitable for automotive applications?
- Yes, LM239J is suitable for automotive applications due to its wide operating voltage range and temperature range.

These questions and answers cover various aspects of LM239J's specifications and applications in technical solutions.