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OPA1642AIDR
Product Overview
The OPA1642AIDR is a precision, low-noise, JFET-input operational amplifier designed for audio applications. This device offers low distortion, low noise, and high speed, making it suitable for a wide range of audio equipment.
Basic Information
- Category: Operational Amplifier
- Use: Audio applications
- Characteristics: Low distortion, low noise, high speed
- Package: SOIC-8
- Essence: Precision, low-noise performance
- Packaging/Quantity: Tape and reel, 2500 units per reel
Specifications
- Supply Voltage: ±2.25 V to ±18 V
- Input Bias Current: 1 pA (typical)
- Input Voltage Noise: 7 nV/√Hz (typical)
- Gain Bandwidth Product: 20 MHz (typical)
- Slew Rate: 10 V/μs (typical)
Detailed Pin Configuration
The OPA1642AIDR features the following pin configuration: 1. OUT- 2. IN- 3. V- 4. V+ 5. NC 6. IN+ 7. OUT+ 8. NC
Functional Features
- JFET input stage for low input bias current
- High gain bandwidth product for audio signal fidelity
- Low total harmonic distortion for high-quality audio reproduction
- Wide supply voltage range for versatile application
Advantages and Disadvantages
Advantages: - Low distortion and noise for high-fidelity audio - Wide supply voltage range for flexibility in design - JFET input stage for low input bias current
Disadvantages: - Higher cost compared to general-purpose op-amps - Limited availability in certain regions
Working Principles
The OPA1642AIDR utilizes a JFET input stage to achieve low input bias current, which is essential for audio applications requiring high input impedance. The high gain bandwidth product and low total harmonic distortion contribute to its ability to faithfully reproduce audio signals with minimal distortion and noise.
Detailed Application Field Plans
The OPA1642AIDR is well-suited for the following applications: - High-end audio amplifiers - Professional audio equipment - Audio mixers and preamplifiers - Audio signal processing equipment
Detailed and Complete Alternative Models
- OPA2134
- OPA1612
- LME49720
In summary, the OPA1642AIDR is a precision operational amplifier designed for demanding audio applications, offering low distortion, low noise, and high-speed performance. Its functional features, specifications, and application field plans make it an ideal choice for high-fidelity audio equipment.
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What is the OPA1642AIDR?
- The OPA1642AIDR is a dual-channel, low-noise, high-precision operational amplifier designed for audio and precision instrumentation applications.
What is the typical supply voltage range for the OPA1642AIDR?
- The typical supply voltage range for the OPA1642AIDR is ±2.25V to ±18V.
What is the input voltage noise of the OPA1642AIDR?
- The input voltage noise of the OPA1642AIDR is typically 4.2nV/√Hz at 1kHz.
What is the typical gain bandwidth product of the OPA1642AIDR?
- The typical gain bandwidth product of the OPA1642AIDR is 20MHz.
What are the typical applications for the OPA1642AIDR?
- Typical applications include audio preamplifiers, active filters, and precision instrumentation amplifiers.
What is the recommended operating temperature range for the OPA1642AIDR?
- The recommended operating temperature range for the OPA1642AIDR is -40°C to 125°C.
Does the OPA1642AIDR require external compensation?
- No, the OPA1642AIDR is internally compensated and does not require external compensation.
What is the input bias current of the OPA1642AIDR?
- The input bias current of the OPA1642AIDR is typically 0.5pA.
Can the OPA1642AIDR be used in single-supply applications?
- Yes, the OPA1642AIDR can be used in single-supply applications with proper biasing and decoupling.
Is the OPA1642AIDR available in a surface-mount package?
- Yes, the OPA1642AIDR is available in a small outline SOIC (D) package for surface-mount applications.