OPA842IDG4

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - High-speed, low-noise operational amplifier - Wide bandwidth and high slew rate - Low distortion and low offset voltage - Rail-to-rail input and output - Single-supply operation

Package: SOIC (Small Outline Integrated Circuit)

Essence: The OPA842IDG4 is a high-performance operational amplifier designed for various applications that require precision amplification with high speed and low noise.

Packaging/Quantity: The OPA842IDG4 is available in a standard SOIC package. It is typically sold in reels of 250 units.

Specifications

• Supply Voltage Range: ±2.5V to ±18V
• Input Offset Voltage: 0.5mV (maximum)
• Gain Bandwidth Product: 1.8GHz (typical)
• Slew Rate: 3000V/µs (typical)
• Input Noise Voltage: 3.9nV/√Hz (typical)
• Input Bias Current: 1pA (typical)
• Output Current: ±50mA (maximum)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA842IDG4 has a total of 8 pins arranged as follows:

```

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

Pin Description: - V-: Inverting Input - V+: Non-Inverting Input - OUT: Output - NC: No Connection - VCC: Positive Supply Voltage - GND: Ground

Functional Features

1. High-Speed Operation: The OPA842IDG4 offers a wide bandwidth and high slew rate, making it suitable for applications requiring fast signal amplification.

2. Low Noise and Distortion: With low input noise voltage and low distortion characteristics, the OPA842IDG4 ensures accurate amplification of signals without introducing significant noise or distortion.

3. Rail-to-Rail Input and Output: The operational amplifier supports rail-to-rail input and output operation, allowing it to handle signals close to the supply rails without distortion.

4. Single-Supply Operation: The OPA842IDG4 can operate from a single power supply, simplifying system design and reducing component count.

Advantages and Disadvantages

Advantages: - High-speed performance - Low noise and distortion - Wide operating voltage range - Rail-to-rail input and output capability - Single-supply operation

Disadvantages: - Limited availability in alternative packages - Relatively higher cost compared to some other operational amplifiers

Working Principles

The OPA842IDG4 is based on a differential amplifier configuration that amplifies the voltage difference between its inverting and non-inverting inputs. It utilizes advanced semiconductor technology to achieve high-speed operation, low noise, and low distortion characteristics.

Detailed Application Field Plans

The OPA842IDG4 is commonly used in various applications, including: - Audio amplification - Data acquisition systems - Test and measurement equipment - Communication systems - Medical instrumentation - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the OPA842IDG4 include: - OPA843IDG4 - OPA844IDG4 - OPA845IDG4 - OPA846IDG4

These alternative models are part of the same operational amplifier family and provide comparable performance with slight variations in specifications.

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