OPA145IDBVR - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier (Op-Amp)

Characteristics: - Low-power, rail-to-rail output operational amplifier - Single-supply operation from 2.7V to 5.5V - Unity-gain stable - Low input bias current: 1pA (typical) - Low quiescent current: 45µA (typical) - Wide bandwidth: 1MHz (typical) - Small package size: SOT-23-5

Package: SOT-23-5

Essence: The OPA145IDBVR is a low-power operational amplifier designed for single-supply applications. It offers rail-to-rail output swing and operates from a supply voltage as low as 2.7V.

Packaging/Quantity: The OPA145IDBVR 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)
• Input Bias Current: 1pA (typical)
• Quiescent Current: 45µA (typical)
• Gain Bandwidth Product: 1MHz (typical)
• Output Swing: Rail-to-Rail
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA145IDBVR has a standard pin configuration with the following connections:

1. V+ (Positive Supply Voltage)
2. V- (Negative Supply Voltage)
3. OUT (Output)
4. IN- (Inverting Input)
5. IN+ (Non-Inverting Input)

Functional Features

• Low-power consumption makes it suitable for battery-powered applications.
• Rail-to-rail output swing allows for maximum utilization of the supply voltage range.
• Wide bandwidth enables accurate signal amplification in various applications.
• Unity-gain stable, ensuring stability even with a gain of 1.

Advantages and Disadvantages

Advantages: - Low power consumption - Rail-to-rail output swing - Wide bandwidth - Small package size

Disadvantages: - Limited supply voltage range (2.7V to 5.5V) - Lower gain bandwidth compared to some high-performance op-amps

Working Principles

The OPA145IDBVR is an operational amplifier that amplifies the difference between its two input voltages. It operates by using a differential amplifier configuration, where the non-inverting input (IN+) and inverting input (IN-) receive the input signals. The amplified output is then available at the OUT pin.

Detailed Application Field Plans

The OPA145IDBVR can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable audio equipment 3. Sensor signal conditioning 4. Signal amplification in low-power systems 5. Active filters and equalizers

Detailed and Complete Alternative Models

1. OPA344IDBVR: Similar low-power rail-to-rail output op-amp with a smaller package size (SOT-23-5).
2. OPA2350IDBVR: Higher precision, low-power rail-to-rail output op-amp with a wider supply voltage range (2.5V to 5.5V).
3. OPA313IDBVR: Low-power, rail-to-rail input/output op-amp with a higher gain bandwidth product (10MHz).

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific application requirements.

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