OPA875IDGKR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier (Op-Amp)
• Characteristics: High-speed, low-power, rail-to-rail output
• Package: VSSOP-8
• Essence: Analog signal processing
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: ±1.5V to ±6V
• Input Offset Voltage: 0.5mV (maximum)
• Gain Bandwidth Product: 50MHz
• Slew Rate: 20V/µs
• Input Bias Current: 1pA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. OUT: Output pin
2. IN+: Non-inverting input pin
3. IN-: Inverting input pin
4. V-: Negative power supply pin
5. NC: No connection
6. V+: Positive power supply pin
7. NC: No connection
8. GND: Ground pin

Functional Features

• Rail-to-Rail Output: Allows the output voltage to swing close to the supply rails, maximizing dynamic range.
• High-Speed Operation: With a gain bandwidth product of 50MHz and a slew rate of 20V/µs, it is suitable for high-frequency applications.
• Low-Power Consumption: Operates at low supply voltages and consumes minimal power, making it ideal for battery-powered devices.
• Low Input Bias Current: The op-amp exhibits very low input bias current, minimizing errors in precision applications.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows flexibility in various applications. - Rail-to-rail output enables accurate signal amplification near the supply rails. - High-speed operation suits applications requiring fast signal processing. - Low-power consumption extends battery life in portable devices.

Disadvantages: - Limited number of pins restricts the number of external components that can be connected directly. - Not suitable for applications requiring extremely high precision due to its moderate input offset voltage.

Working Principles

The OPA875IDGKR is an operational amplifier designed to amplify analog signals. It utilizes a differential input stage, followed by gain stages and output buffers. The input signal is amplified and processed according to the feedback configuration, providing the desired output response.

Detailed Application Field Plans

1. Audio Amplification: The OPA875IDGKR can be used in audio amplifiers to enhance the sound quality and provide sufficient gain for speakers or headphones.
2. Sensor Signal Conditioning: It can be employed in sensor signal conditioning circuits to amplify weak sensor outputs and improve signal-to-noise ratio.
3. Data Acquisition Systems: The op-amp can be utilized in data acquisition systems to accurately measure and process analog signals from various sensors or transducers.
4. Active Filters: It can be incorporated into active filter designs to shape the frequency response of a circuit, allowing specific frequencies to pass while attenuating others.

Detailed and Complete Alternative Models

1. OPA827IDR: Similar rail-to-rail output op-amp with lower input offset voltage.
2. OPA836IDBVR: Rail-to-rail output op-amp with higher slew rate and wider supply voltage range.
3. OPA847IDBVT: High-speed op-amp with rail-to-rail output and low distortion.

(Note: This list is not exhaustive and other alternative models may exist.)

This entry provides comprehensive information about the OPA875IDGKR operational amplifier, including its basic overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.