LM2904WD

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 - Low input bias current

Package: SOIC-8 (Small Outline Integrated Circuit)

Essence: The LM2904WD is a dual operational amplifier designed for general-purpose applications. It offers low power consumption and high performance, making it suitable for various electronic circuits.

Packaging/Quantity: The LM2904WD is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 3V to 32V
• Input Offset Voltage: ±2mV (maximum)
• Input Bias Current: ±20nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.5V/µs (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM2904WD has a standard pin configuration with two operational amplifiers in a single package. The pinout is as follows:

___________ VCC | 1 8 | VCC IN- | 2 7 | OUT IN+ | 3 6 | IN- GND | 4 5 | IN+ ‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Dual operational amplifiers allow independent circuit configurations.
• Low power consumption makes it suitable for battery-powered devices.
• Wide supply voltage range enables compatibility with various power sources.
• High input impedance minimizes loading effects on the signal source.
• Output short-circuit protection prevents damage to the amplifier in case of a short circuit.
• Low input bias current reduces errors caused by input currents.

Advantages and Disadvantages

Advantages: - Versatile and suitable for general-purpose applications. - Low power consumption extends battery life. - Wide supply voltage range provides flexibility in different circuits. - High input impedance minimizes signal degradation. - Output short-circuit protection enhances reliability.

Disadvantages: - Limited gain bandwidth product compared to specialized amplifiers. - Relatively low slew rate may limit performance in high-frequency applications.

Working Principles

The LM2904WD is based on the operational amplifier (op-amp) principle. It utilizes differential inputs to amplify the voltage difference between the input terminals. The amplified output is then fed back to the input through a feedback network, allowing control over the gain and other characteristics of the circuit.

Detailed Application Field Plans

The LM2904WD can be used in various applications, including but not limited to: 1. Audio amplification circuits 2. Signal conditioning circuits 3. Sensor interfaces 4. Active filters 5. Voltage regulators 6. Oscillators

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM2904WD are: - LM358 - TL072 - NE5532 - OP07

These alternatives have comparable specifications and pin configurations, making them suitable replacements in many applications.

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