OP07DDR

Basic Information Overview

• Category: Operational Amplifier (Op-Amp)
• Use: Signal amplification and conditioning in various electronic circuits
• Characteristics:
  • Low input offset voltage and current
  • High open-loop gain
  • Wide bandwidth
  • Low noise
• Package: Dual in-line package (DIP)
• Essence: Precision operational amplifier
• Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier

Specifications

• Input Offset Voltage: ±150 µV max
• Input Bias Current: ±25 nA max
• Input Offset Current: ±5 nA max
• Supply Voltage Range: ±4 V to ±18 V
• Common Mode Rejection Ratio: 90 dB min
• Gain Bandwidth Product: 0.6 MHz typ
• Slew Rate: 0.3 V/µs typ
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The OP07DDR has a standard dual in-line package (DIP) with eight pins. The pin configuration is as follows:

```

---

| | --| IN- OUT |-- Pin 1: Inverting Input (-) --| IN+ V- |-- Pin 2: Non-Inverting Input (+) --| V+ NC |-- Pin 3: Positive Power Supply --| NC V+ |-- Pin 4: Negative Power Supply --| NC IN+ |-- Pin 5: Non-Inverting Input (+) --| V- OUT |-- Pin 6: Output --| OUT IN- |-- Pin 7: Inverting Input (-) |___________| ```

Functional Features

• Low input offset voltage and current ensure accurate signal amplification.
• High open-loop gain allows for precise amplification of weak signals.
• Wide bandwidth enables the amplifier to handle a broad range of frequencies.
• Low noise ensures minimal interference with the desired signal.

Advantages and Disadvantages

Advantages

• High precision and accuracy in signal amplification.
• Suitable for applications requiring low noise and high gain.
• Wide supply voltage range allows for flexibility in various circuit designs.

Disadvantages

• Limited gain bandwidth product compared to some other op-amps.
• Relatively slower slew rate may not be suitable for high-speed applications.

Working Principles

The OP07DDR is based on the operational amplifier architecture. It utilizes differential input stages, gain stages, and output stages to amplify and condition input signals. The internal circuitry compensates for offset voltages and currents, ensuring accurate amplification.

Detailed Application Field Plans

The OP07DDR finds application in various fields, including: 1. Precision instrumentation: Used in measurement equipment, data acquisition systems, and calibration devices. 2. Audio amplification: Provides accurate amplification in audio preamplifiers and equalizers. 3. Sensor signal conditioning: Amplifies and conditions signals from sensors such as temperature, pressure, and strain gauges. 4. Active filters: Used in active filter circuits for frequency response shaping and signal conditioning. 5. Control systems: Employed in feedback control loops for precise control of processes and systems.

Detailed and Complete Alternative Models

Some alternative models to OP07DDR include: - LM741: A widely used general-purpose op-amp with similar characteristics. - AD8628: Offers low noise and low input bias current for precision applications. - TL071: Provides low noise and high slew rate for audio and instrumentation applications. - LT1490: Offers rail-to-rail inputs and outputs for applications requiring wide dynamic range.

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