NJU7261U33

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Signal Amplification and Processing
• Characteristics:
  • Low Noise
  • High Gain
  • Wide Bandwidth
• Package: SOP-8
• Essence: Operational Amplifier
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Supply Voltage: ±2.5V to ±18V
• Input Offset Voltage: 1mV (max)
• Input Bias Current: 10nA (max)
• Gain Bandwidth Product: 10MHz (typ)
• Slew Rate: 5V/µs (typ)
• Output Current: 30mA (typ)

Detailed Pin Configuration

The NJU7261U33 has a standard SOP-8 pin configuration as follows:

| Pin No. | Name | Description | |---------|------|-------------| | 1 | IN+ | Non-Inverting Input | | 2 | IN- | Inverting Input | | 3 | V- | Negative Power Supply | | 4 | OUT | Output | | 5 | NC | No Connection | | 6 | V+ | Positive Power Supply | | 7 | NC | No Connection | | 8 | NC | No Connection |

Functional Features

• Low noise amplification of weak signals
• High gain for precise signal processing
• Wide bandwidth for accurate frequency response
• Stable operation under varying supply voltages

Advantages and Disadvantages

Advantages

• Low input offset voltage ensures accurate signal amplification
• High gain allows for precise signal processing
• Wide bandwidth enables accurate frequency response
• Stable operation under varying supply voltages ensures reliable performance

Disadvantages

• Limited output current may restrict certain applications requiring higher current drive

Working Principles

The NJU7261U33 is an operational amplifier that amplifies and processes input signals. It operates by comparing the voltage difference between its non-inverting (IN+) and inverting (IN-) inputs, and amplifying this difference to produce an output signal. The amplifier's gain, bandwidth, and stability are determined by its internal circuitry and external components.

Detailed Application Field Plans

The NJU7261U33 is commonly used in various applications including: 1. Audio Amplifiers: Provides low noise amplification for audio signals. 2. Sensor Signal Conditioning: Amplifies weak sensor signals for further processing. 3. Active Filters: Enables precise filtering of specific frequency ranges. 4. Instrumentation Amplifiers: Enhances measurement accuracy in instrumentation systems. 5. Communication Systems: Amplifies and processes signals in wireless communication devices.

Detailed and Complete Alternative Models

1. LM741: A widely used general-purpose operational amplifier with similar characteristics.
2. AD822: Precision instrumentation amplifier suitable for high-accuracy measurements.
3. TL072: Dual operational amplifier with low noise and high gain for audio applications.
4. OPA2134: High-performance audio operational amplifier with low distortion.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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