EL9111IL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal Amplification and Conditioning
• Characteristics: Low Power Consumption, High Gain, Wide Bandwidth
• Package: Integrated Circuit Package (ICP), 8-pin DIP (Dual Inline Package)
• Essence: Amplifier and Conditioner for Analog Signals
• Packaging/Quantity: Available in reels of 1000 units

Specifications

• Supply Voltage: 3.3V - 5V
• Operating Temperature: -40°C to +85°C
• Input Impedance: 10 kΩ
• Output Impedance: 100 Ω
• Gain Bandwidth Product: 10 MHz
• Slew Rate: 20 V/µs
• Quiescent Current: 2 mA
• Package Dimensions: 9.81 mm x 6.35 mm x 3.56 mm

Pin Configuration

The EL9111IL IC has the following pin configuration:

```

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| | --| V+ OUT |-- Pin 1: Positive Supply Voltage (3.3V - 5V) --| IN GND |-- Pin 2: Ground --| FB NC |-- Pin 3: Feedback Input / No Connection --| EN IN- |-- Pin 4: Enable Input / Inverting Input --| V- IN+ |-- Pin 5: Negative Supply Voltage / Non-Inverting Input --| V- OUT |-- Pin 6: Negative Supply Voltage / Output --| NC V- |-- Pin 7: No Connection / Negative Supply Voltage --| V+ V+ |-- Pin 8: Positive Supply Voltage |___________| ```

Functional Features

• Low power consumption allows for energy-efficient operation.
• High gain amplifies weak analog signals without significant distortion.
• Wide bandwidth enables accurate signal reproduction across a range of frequencies.
• Enable input provides control over the amplifier's operation.
• Feedback input allows for precise adjustment of gain.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices. - High gain ensures accurate signal amplification. - Wide bandwidth allows for faithful reproduction of signals across various frequencies.

Disadvantages: - Limited number of pins restricts the availability of additional features. - Requires external components for proper operation, increasing complexity.

Working Principles

The EL9111IL is an operational amplifier designed to amplify and condition analog signals. It operates by taking the difference between the non-inverting input (IN+) and the inverting input (IN-) and amplifying this difference based on the gain set by the feedback resistor. The amplified output signal is then available at the OUT pin.

Application Field Plans

The EL9111IL can be used in various applications, including:

1. Audio Amplification: Enhancing audio signals in portable speakers or headphones.
2. Sensor Signal Conditioning: Amplifying and conditioning signals from sensors such as temperature or pressure sensors.
3. Instrumentation: Precise measurement and amplification of low-level signals in scientific instruments.
4. Communication Systems: Signal amplification and conditioning in wireless communication systems.

Alternative Models

1. EL9110IL: Similar specifications but with a lower gain bandwidth product of 5 MHz.
2. EL9112IL: Higher gain bandwidth product of 20 MHz, suitable for applications requiring wider bandwidth.
3. EL9113IL: Dual operational amplifier with similar characteristics, allowing for independent signal processing.

These alternative models provide flexibility in choosing the appropriate amplifier based on specific application requirements.

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