VCA820IDG4

Product Overview

Category

VCA820IDG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in audio applications, specifically for voltage-controlled amplification.

Characteristics

• VCA820IDG4 is a high-performance, low-distortion voltage-controlled amplifier.
• It offers a wide dynamic range and excellent linearity.
• The device operates over a wide supply voltage range, making it suitable for various applications.
• It provides precise control over gain levels, allowing for accurate audio signal amplification.

Package

VCA820IDG4 comes in a small outline package (SOP) with 8 pins.

Essence

The essence of VCA820IDG4 lies in its ability to provide voltage-controlled amplification with high performance and low distortion.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Gain Control Voltage Range: 0V to VCC
• Total Harmonic Distortion: <0.01%
• Operating Temperature Range: -40°C to +85°C
• Input Impedance: 10 kΩ
• Output Impedance: 100 Ω
• Bandwidth: 20 Hz to 20 kHz

Detailed Pin Configuration

1. IN+ (Non-Inverting Input)
2. IN- (Inverting Input)
3. GND (Ground)
4. VCC (Supply Voltage)
5. OUT (Output)
6. GAIN (Gain Control Voltage)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

• High gain accuracy and linearity
• Low noise and distortion
• Wide supply voltage range
• Precise gain control through the GAIN pin
• Fast response time

Advantages and Disadvantages

Advantages

• High-performance voltage-controlled amplifier
• Wide dynamic range
• Excellent linearity
• Accurate gain control
• Low distortion

Disadvantages

• Limited number of pins for additional functionalities
• Relatively high cost compared to some alternatives

Working Principles

VCA820IDG4 operates based on the principle of voltage-controlled amplification. The input audio signal is fed into the non-inverting input (IN+), while the inverting input (IN-) is connected to a reference voltage or ground. The gain of the amplifier is controlled by the voltage applied to the GAIN pin. As the control voltage varies, the gain of the amplifier changes accordingly, resulting in amplified output signal with the desired level.

Detailed Application Field Plans

VCA820IDG4 finds applications in various audio-related fields, including: 1. Professional audio equipment 2. Musical instruments 3. Audio mixers and consoles 4. Public address systems 5. Home theater systems 6. Audio recording and production equipment

Detailed and Complete Alternative Models

1. VCA810IDG4: Similar to VCA820IDG4 but with 6-pin package.
2. VCA830IDG4: Higher performance voltage-controlled amplifier with extended bandwidth.
3. VCA840IDG4: Voltage-controlled amplifier with additional features like built-in filters.

These alternative models offer similar functionality and can be considered as substitutes for VCA820IDG4 depending on specific requirements.

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