NE521N

Product Overview

Category: Integrated Circuit (IC)

Use: NE521N is a versatile operational amplifier (op-amp) that can be used in various electronic circuits for amplification, filtering, and signal conditioning purposes.

Characteristics: - High gain and bandwidth - Low input offset voltage - Wide supply voltage range - Low power consumption

Package: NE521N is available in a standard 8-pin dual in-line package (DIP), which ensures easy integration into circuit boards.

Essence: The essence of NE521N lies in its ability to provide accurate and reliable amplification of signals in electronic circuits.

Packaging/Quantity: NE521N is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: ±5V to ±18V
• Input Offset Voltage: 2mV (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.5V/µs (typical)
• Input Bias Current: 50nA (maximum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

NE521N features an 8-pin DIP package with the following pin configuration:

___________ | | -- | 1 8 | -- -- | 2 7 | -- -- | 3 6 | -- -- | 4 5 | -- |___________|

1. Non-Inverting Input (+)
2. Inverting Input (-)
3. Output
4. V-
5. Offset Null
6. Compensation
7. V+
8. NC (No Connection)

Functional Features

• High Gain: NE521N offers a high open-loop voltage gain, allowing for precise signal amplification.
• Wide Bandwidth: With a gain bandwidth product of 1MHz, NE521N can handle a wide range of frequencies.
• Low Input Offset Voltage: The low input offset voltage ensures minimal error in amplification.
• Low Power Consumption: NE521N operates efficiently with low power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Versatile and widely used in various electronic circuits - Accurate amplification with low input offset voltage - Wide supply voltage range allows for flexibility in circuit design - Low power consumption extends battery life in portable devices

Disadvantages: - Limited output current capability - Not suitable for high-power applications

Working Principles

NE521N operates as an operational amplifier by amplifying the voltage difference between its non-inverting and inverting inputs. It utilizes internal transistors to achieve high gain and accurate amplification. The compensation pin helps stabilize the amplifier's performance, ensuring reliable operation across different conditions.

Detailed Application Field Plans

NE521N finds applications in various fields, including but not limited to: - Audio amplifiers - Active filters - Signal conditioning circuits - Instrumentation amplifiers - Sensor interfaces

Alternative Models

For those seeking alternatives to NE521N, the following models provide similar functionality: - LM741 - TL071 - AD822

These alternative models offer comparable characteristics and can be used as substitutes based on specific requirements.

In conclusion, NE521N is a versatile operational amplifier that provides accurate amplification in various electronic circuits. Its high gain, low input offset voltage, and wide supply voltage range make it suitable for a wide range of applications. However, it has limitations in terms of output current capability and is not recommended for high-power applications.