EL5421CY

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: High-speed, low-power, single-supply amplifier
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: EL5421CY is a versatile amplifier designed for various applications requiring high-speed and low-power operation.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2.7V to 5.5V
• Input Offset Voltage: ±1mV maximum
• Gain Bandwidth Product: 50MHz typical
• Slew Rate: 100V/µs typical
• Quiescent Current: 3.5mA typical
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The EL5421CY IC has the following pin configuration:

```

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| | --| V+ OUT |-- Pin 1: Positive Supply Voltage (V+) --| IN- NC |-- Pin 2: Inverting Input (-) --| IN+ GND |-- Pin 3: Non-Inverting Input (+) / Ground (GND) --| NC NC |-- Pin 4: Not Connected (NC) --| NC NC |-- Pin 5: Not Connected (NC) --| NC NC |-- Pin 6: Not Connected (NC) --| NC NC |-- Pin 7: Not Connected (NC) --| V- NC |-- Pin 8: Negative Supply Voltage (V-) |___________| ```

Functional Features

• High-speed amplification with a gain bandwidth product of 50MHz
• Low-power consumption, making it suitable for battery-powered applications
• Single-supply operation, compatible with a wide range of voltage sources
• Rail-to-rail input and output capability, allowing for maximum signal swing

Advantages and Disadvantages

Advantages: - High-speed performance enables accurate amplification of fast-changing signals - Low-power consumption extends battery life in portable devices - Versatile single-supply operation simplifies circuit design - Rail-to-rail capability ensures maximum signal fidelity

Disadvantages: - Limited number of pins restricts the number of external components that can be connected directly to the IC - May require additional external components for specific applications, increasing complexity

Working Principles

The EL5421CY is based on a differential amplifier configuration. It amplifies the voltage difference between its non-inverting and inverting inputs. The amplified output is then available at the OUT pin. The IC operates on a single supply voltage, which allows for easy integration into various circuits.

Detailed Application Field Plans

The EL5421CY is commonly used in the following applications:

1. Audio Amplification: Provides high-fidelity amplification for audio signals in portable music players, smartphones, and audio systems.
2. Sensor Signal Conditioning: Amplifies weak sensor signals from various sensors such as temperature, pressure, or light sensors.
3. Communication Systems: Used in data transmission and reception circuits, ensuring accurate signal amplification and conditioning.
4. Test and Measurement Equipment: Enables precise signal amplification in oscilloscopes, function generators, and other test instruments.

Detailed and Complete Alternative Models

1. EL5422DY: Dual-channel version of EL5421CY, offering two independent amplifiers in a single package.
2. EL5423PY: Triple-channel version of EL5421CY, providing three independent amplifiers in a single package.
3. EL5424TY: Quad-channel version of EL5421CY, featuring four independent amplifiers in a single package.

These alternative models offer similar functionality and characteristics to the EL5421CY, but with different channel configurations to suit specific application requirements.

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