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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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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van OPA2137PA in technische oplossingen
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.