OPA861IDG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: High-speed, low-power, voltage feedback amplifier
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The OPA861IDG4 is a high-performance operational amplifier designed for various applications requiring high-speed signal amplification.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: ±2.5V to ±12V
• Input Offset Voltage: ±1mV (maximum)
• Gain Bandwidth Product: 1.8GHz (typical)
• Slew Rate: 1800V/µs (typical)
• Input Bias Current: ±10µA (maximum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The OPA861IDG4 has a total of 8 pins arranged as follows:

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

Functional Features

• High-speed amplification: The OPA861IDG4 offers a gain bandwidth product of 1.8GHz, making it suitable for applications requiring fast signal amplification.
• Low power consumption: With a supply voltage range of ±2.5V to ±12V and low input bias current, the OPA861IDG4 ensures efficient power usage.
• Voltage feedback architecture: The amplifier utilizes a voltage feedback configuration, providing excellent linearity and stability.

Advantages and Disadvantages

Advantages: - High-speed performance - Low power consumption - Wide supply voltage range - Excellent linearity and stability

Disadvantages: - Limited availability in certain package options - Relatively higher cost compared to some alternatives

Working Principles

The OPA861IDG4 operates based on the principles of voltage amplification. It takes an input voltage signal, amplifies it with high gain, and produces an output voltage proportional to the input. The amplifier's internal circuitry ensures high-speed operation while maintaining low power consumption.

Detailed Application Field Plans

The OPA861IDG4 is commonly used in various applications, including: 1. High-frequency communication systems 2. Test and measurement equipment 3. Signal processing circuits 4. Data acquisition systems 5. Medical imaging devices

Detailed and Complete Alternative Models

1. OPA836IDBVT: Similar high-speed operational amplifier with a smaller SOT-23 package.
2. OPA847IDBVR: High-speed amplifier with rail-to-rail inputs and outputs.
3. OPA860IDBVT: Lower power consumption alternative with a gain bandwidth product of 600MHz.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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