THS4021CD

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: High-speed, low-noise, voltage-feedback operational amplifier
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The THS4021CD is a high-performance amplifier designed for various applications requiring high-speed and low-noise amplification.
• Packaging/Quantity: The THS4021CD is typically sold in reels of 250 units.

Specifications

• Supply Voltage: ±5V to ±15V
• Bandwidth: 180 MHz
• Slew Rate: 900 V/μs
• Input Noise Voltage: 4.9 nV/√Hz
• Input Offset Voltage: 0.2 mV
• Input Bias Current: 10 pA
• Output Current: ±50 mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The THS4021CD has a total of 8 pins arranged as follows:

```

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| | --| V- V+ |-- --| OUT NC |-- --| IN- IN+ |-- --| GND VCC |-- |___________| ```

Functional Features

• High-speed amplification: The THS4021CD offers a bandwidth of 180 MHz, making it suitable for applications requiring fast signal processing.
• Low noise: With an input noise voltage of 4.9 nV/√Hz, the THS4021CD ensures minimal noise interference in sensitive applications.
• Voltage-feedback architecture: The amplifier utilizes a voltage-feedback design, providing excellent linearity and stability.
• Wide supply voltage range: The THS4021CD can operate from ±5V to ±15V, allowing flexibility in various power supply configurations.

Advantages and Disadvantages

Advantages: - High-speed performance - Low noise interference - Wide supply voltage range - Stable and linear amplification

Disadvantages: - Limited output current capability - Requires external components for specific applications

Working Principles

The THS4021CD operates based on the principles of voltage feedback amplification. It takes an input signal and amplifies it with high speed and low noise characteristics. The amplifier's internal circuitry ensures linearity and stability throughout the amplification process. The THS4021CD requires a dual power supply configuration to function properly.

Detailed Application Field Plans

The THS4021CD is commonly used in the following application fields:

1. Audio Amplification: The amplifier's high-speed performance and low noise make it suitable for audio signal amplification in professional audio equipment.
2. Communications Systems: The THS4021CD can be utilized in communication systems that require high-speed amplification of signals.
3. Test and Measurement Equipment: The amplifier's characteristics make it ideal for use in test and measurement instruments where accurate signal amplification is crucial.

Detailed and Complete Alternative Models

1. AD8065: This amplifier offers similar high-speed performance and low noise characteristics as the THS4021CD.
2. LT1028: Another alternative with comparable specifications, suitable for applications requiring high-speed amplification.

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