OPA843IDBVR - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - High-speed, low-power operational amplifier - Rail-to-rail input and output - Single-supply operation - Small package size

Package: SOT-23-5

Essence: The OPA843IDBVR is a high-performance operational amplifier designed for applications requiring high-speed signal amplification with low power consumption.

Packaging/Quantity: The OPA843IDBVR is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: ±1mV (maximum)
• Gain Bandwidth Product: 50MHz (typical)
• Slew Rate: 35V/µs (typical)
• Quiescent Current: 3.5mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA843IDBVR has a total of 5 pins arranged as follows:

```

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

Pin Description: - V-: Inverting input - V+: Non-inverting input - GND: Ground - OUT: Output - VCC: Positive supply voltage - NC: No connection

Functional Features

• High-speed signal amplification: The OPA843IDBVR offers a gain bandwidth product of 50MHz, making it suitable for applications requiring fast signal processing.
• Low-power consumption: With a quiescent current of 3.5mA, the OPA843IDBVR minimizes power consumption, making it ideal for battery-powered devices.
• Rail-to-rail input and output: The operational amplifier supports input and output signals that can swing close to the supply rails, maximizing dynamic range.

Advantages and Disadvantages

Advantages: - High-speed performance - Low-power consumption - Rail-to-rail operation - Small package size

Disadvantages: - Limited voltage supply range (2.7V to 5.5V) - Single-supply operation only

Working Principles

The OPA843IDBVR is based on a differential amplifier configuration, where the difference between the non-inverting and inverting inputs is amplified. It utilizes internal circuitry to provide high gain, low distortion, and fast response times. The rail-to-rail input and output capability allows the amplifier to handle signals that span the entire supply voltage range.

Detailed Application Field Plans

The OPA843IDBVR is commonly used in various applications, including: 1. Audio amplification 2. Signal conditioning 3. Data acquisition systems 4. Sensor interfaces 5. Communication systems

Detailed and Complete Alternative Models

1. OPA844IDBVR: Similar to OPA843IDBVR but with higher gain bandwidth product (80MHz).
2. OPA842IDBVR: Similar to OPA843IDBVR but with lower quiescent current (2.5mA).
3. OPA845IDBVR: Similar to OPA843IDBVR but with wider supply voltage range (2.5V to 5.5V).

These alternative models offer similar functionality with slight variations in specifications to cater to different application requirements.

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