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OPA2137PA
Overview
Category: Operational Amplifier
Use: Audio applications, precision instrumentation
Characteristics: High performance, low noise, low distortion
Package: PDIP-8, SOIC-8
Essence: Dual operational amplifier
Packaging/Quantity: Tube of 25, Tape and Reel of 2500
Specifications
- Supply Voltage: ±2.5V to ±18V
- Input Offset Voltage: 0.25mV (max)
- Input Bias Current: 1nA (typ)
- Input Noise Voltage: 8nV/√Hz (typ)
- Gain Bandwidth Product: 8MHz (typ)
- Slew Rate: 20V/µs (typ)
- Output Current: 40mA (min)
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The OPA2137PA is a dual operational amplifier with the following pin configuration:
___________
V+ | 1 8 | V-
IN+| 2 7 | OUT+
IN-| 3 6 | OUT-
NC | 4 5 | NC
|__________|
Functional Features
- Low input offset voltage and bias current for accurate signal processing.
- High gain bandwidth product and slew rate for fast response in audio applications.
- Wide supply voltage range allows flexibility in various circuit designs.
- Low noise and distortion ensure high-quality audio reproduction.
- High output current capability enables driving low impedance loads.
Advantages and Disadvantages
Advantages: - High performance and precision. - Low noise and distortion. - Wide supply voltage range. - Dual op-amp configuration for versatility.
Disadvantages: - Relatively high power consumption. - Limited output current compared to specialized power amplifiers.
Working Principles
The OPA2137PA is a dual operational amplifier designed for audio applications and precision instrumentation. It operates by amplifying the difference between the voltages applied to its non-inverting and inverting inputs. The amplified output signal is then available at the respective output pins. The op-amp's high gain, low noise, and low distortion characteristics make it suitable for accurate signal processing in audio circuits.
Application Field Plans
The OPA2137PA finds extensive use in various applications, including:
- Audio Amplifiers: Provides high-quality audio amplification with low distortion and noise.
- Active Filters: Enables precise filtering of signals in audio and communication systems.
- Instrumentation Amplifiers: Offers accurate amplification of small differential signals in measurement equipment.
- Signal Conditioning: Enhances weak signals from sensors or transducers before further processing.
- Voltage References: Maintains stable reference voltages for analog-to-digital converters and other precision circuits.
Alternative Models
Other alternative models that can be considered as replacements for the OPA2137PA include:
- LM833: Dual operational amplifier with similar performance characteristics.
- NE5532: Dual low-noise operational amplifier suitable for audio applications.
- TL072: General-purpose dual JFET-input operational amplifier.
- AD827: Precision, low-power, dual operational amplifier for instrumentation applications.
These alternative models offer similar functionality and can be chosen based on specific requirements and availability.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací OPA2137PA v technických řešeních
Sure! Here are 10 common questions and answers related to the application of OPA2137PA in technical solutions:
Q: What is OPA2137PA? A: OPA2137PA is a high-performance operational amplifier (op-amp) manufactured by Texas Instruments.
Q: What is the voltage supply range for OPA2137PA? A: The voltage supply range for OPA2137PA is typically ±2.5V to ±18V.
Q: What is the input offset voltage of OPA2137PA? A: The input offset voltage of OPA2137PA is typically 0.25mV.
Q: Can OPA2137PA be used in single-supply applications? A: Yes, OPA2137PA can be used in single-supply applications as it supports operation from a single power supply.
Q: What is the bandwidth of OPA2137PA? A: The bandwidth of OPA2137PA is typically 8MHz.
Q: Is OPA2137PA suitable for audio applications? A: Yes, OPA2137PA is commonly used in audio applications due to its low distortion and high signal fidelity.
Q: Does OPA2137PA have built-in protection features? A: No, OPA2137PA does not have built-in protection features. External protection circuitry may be required for certain applications.
Q: What is the maximum output current of OPA2137PA? A: The maximum output current of OPA2137PA is typically 40mA.
Q: Can OPA2137PA operate at high temperatures? A: Yes, OPA2137PA is designed to operate at high temperatures, typically up to 125°C.
Q: What are some typical applications of OPA2137PA? A: OPA2137PA is commonly used in audio amplifiers, active filters, precision instrumentation, and other high-performance analog circuits.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.