LM2904WHDT

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - Dual operational amplifier - Low power consumption - Wide supply voltage range - High input impedance - Output short-circuit protection - Internal frequency compensation

Package: SOIC-8

Essence: The LM2904WHDT is a dual operational amplifier that offers low power consumption and high performance. It is commonly used in various electronic applications where amplification of signals is required.

Packaging/Quantity: The LM2904WHDT is available in a standard SOIC-8 package. Each package contains one LM2904WHDT IC.

Specifications

• Supply Voltage Range: 3V to 32V
• Input Offset Voltage: ±2mV
• Input Bias Current: ±20nA
• Input Offset Current: ±5nA
• Gain Bandwidth Product: 1MHz
• Slew Rate: 0.5V/µs
• Common Mode Rejection Ratio: 70dB
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM2904WHDT has a total of 8 pins, which are assigned as follows:

1. Non-Inverting Input (Op-Amp 1)
2. Inverting Input (Op-Amp 1)
3. V- (Negative Power Supply)
4. V+ (Positive Power Supply)
5. Non-Inverting Input (Op-Amp 2)
6. Inverting Input (Op-Amp 2)
7. Output (Op-Amp 2)
8. Output (Op-Amp 1)

Functional Features

• Dual Op-Amp: The LM2904WHDT consists of two independent operational amplifiers in a single package, allowing for versatile circuit designs.
• Low Power Consumption: It is designed to operate with low power consumption, making it suitable for battery-powered applications.
• Wide Supply Voltage Range: The LM2904WHDT can operate within a wide supply voltage range, providing flexibility in various electronic systems.
• High Input Impedance: It offers high input impedance, minimizing the loading effect on the input signal source.
• Output Short-Circuit Protection: The IC incorporates output short-circuit protection, preventing damage to the device during fault conditions.
• Internal Frequency Compensation: The internal frequency compensation eliminates the need for external components, simplifying circuit design.

Advantages and Disadvantages

Advantages: - Dual op-amp configuration allows for more versatile circuit designs. - Low power consumption makes it suitable for battery-powered devices. - Wide supply voltage range provides flexibility in different applications. - High input impedance minimizes signal source loading. - Output short-circuit protection prevents device damage. - Internal frequency compensation simplifies circuit design.

Disadvantages: - Limited gain bandwidth product compared to some other operational amplifiers. - Slew rate may not be sufficient for high-speed applications.

Working Principles

The LM2904WHDT operates as a voltage amplifier, amplifying the difference between its two input voltages. It utilizes a differential amplifier configuration to provide high gain and accurate amplification of signals. The internal circuitry compensates for frequency response and ensures stability.

Detailed Application Field Plans

The LM2904WHDT finds applications in various fields, including: 1. Audio Amplification: It can be used in audio amplifiers to enhance sound signals. 2. Sensor Signal Conditioning: The IC can amplify and condition signals from sensors such as temperature, pressure, or light sensors. 3. Active Filters: It is suitable for implementing active filters in electronic circuits. 4. Signal Processing: The LM2904WHDT can be used in signal processing circuits to amplify and manipulate signals. 5. Voltage Comparators: It can function as a voltage comparator for comparing two input voltages.

Detailed and Complete Alternative Models

Some alternative models to the LM2904WHDT are: - LM358 - TL072 - NE5532 - OP07 - AD822

These alternatives offer similar functionality and can be used as replacements depending on specific requirements.

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