OPA861IDBVRG4 - English Editing Encyclopedia Entry

Product Overview

Product Name: OPA861IDBVRG4
Category: Integrated Circuit (IC)
Use: Amplifier
Characteristics: High-speed, low-power, voltage feedback operational amplifier
Package: SOT-23-5
Essence: The OPA861IDBVRG4 is a high-performance amplifier designed for various applications requiring high-speed signal amplification.
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: ±2.5V to ±6V
• Input Offset Voltage: 1.5mV (maximum)
• Gain Bandwidth Product: 400MHz (typical)
• Slew Rate: 1000V/µs (typical)
• Input Bias Current: 3nA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA861IDBVRG4 has a total of five pins arranged in the following configuration:

```

---

| | --+----+-- | | | | |____| ```

Pin Number | Pin Name | Description --- | --- | --- 1 | V- | Inverting Input 2 | V+ | Non-Inverting Input 3 | NC | No Connection 4 | VCC+ | Positive Power Supply 5 | VCC- | Negative Power Supply

Functional Features

• High-speed operation: The OPA861IDBVRG4 offers a gain bandwidth product of 400MHz, making it suitable for applications requiring fast signal amplification.
• Low power consumption: With a supply voltage range of ±2.5V to ±6V, this amplifier consumes minimal power, making it ideal for battery-powered devices.
• Voltage feedback architecture: The amplifier utilizes a voltage feedback topology, providing excellent linearity and stability.

Advantages and Disadvantages

Advantages: - High-speed operation enables amplification of fast signals accurately. - Low power consumption prolongs battery life in portable applications. - Voltage feedback architecture ensures stable and linear amplification.

Disadvantages: - Limited supply voltage range may not be suitable for certain high-voltage applications. - The package size (SOT-23-5) may pose challenges in space-constrained designs.

Working Principles

The OPA861IDBVRG4 is based on a voltage feedback operational amplifier design. It amplifies the input signal by applying gain and maintaining linearity through negative feedback. The amplifier's high-speed characteristics are achieved through careful circuit design and optimization of internal components.

Detailed Application Field Plans

The OPA861IDBVRG4 finds applications in various fields that require high-speed signal amplification, such as:

1. Communication Systems:

   • RF signal amplification
   • Baseband signal conditioning

2. Test and Measurement Equipment:

   • Signal analysis
   • Data acquisition

3. Audio Systems:

   • High-fidelity audio amplification
   • Headphone amplifiers

4. Medical Devices:

   • Ultrasound signal processing
   • ECG amplification

Detailed and Complete Alternative Models

1. OPA836IDBVRG4: Similar specifications with a lower gain bandwidth product of 200MHz.
2. OPA847IDBVRG4: Higher gain bandwidth product of 600MHz but requires a higher supply voltage range.
3. OPA860IDBVRG4: Lower power consumption variant with a gain bandwidth product of 300MHz.

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

---

Word Count: 420 words