Analog Devices Inc.
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OP221GSZ
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OP221GSZ

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Amplifier
  • Characteristics: High-speed, low-power, precision amplifier
  • Package: Small Outline Package (SOP)
  • Essence: The OP221GSZ is a high-performance operational amplifier designed for various applications requiring precision amplification.
  • Packaging/Quantity: Available in tape and reel packaging, with 250 units per reel.

Specifications

  • Supply Voltage: ±2.5V to ±18V
  • Input Offset Voltage: 0.5mV maximum
  • Input Bias Current: 1nA maximum
  • Gain Bandwidth Product: 10MHz typical
  • Slew Rate: 7V/µs typical
  • Quiescent Current: 500µA maximum
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The OP221GSZ has a standard 8-pin small outline package (SOP) configuration. The pinout is as follows:

  1. V-
  2. Inverting Input (-)
  3. Non-Inverting Input (+)
  4. V+
  5. Output
  6. Null
  7. Compensation
  8. V-

Functional Features

  • High-speed amplification: The OP221GSZ offers a gain bandwidth product of 10MHz, making it suitable for applications requiring fast signal processing.
  • Low power consumption: With a quiescent current of only 500µA, this amplifier is energy-efficient and ideal for battery-powered devices.
  • Precision amplification: The input offset voltage is limited to a maximum of 0.5mV, ensuring accurate signal amplification.
  • Wide supply voltage range: The OP221GSZ can operate from ±2.5V to ±18V, providing flexibility in various power supply configurations.

Advantages and Disadvantages

Advantages: - High-speed performance - Low power consumption - Precision amplification - Wide supply voltage range

Disadvantages: - Limited compensation options - Not suitable for high-voltage applications

Working Principles

The OP221GSZ is based on a differential amplifier configuration, utilizing a combination of transistors and resistors to amplify the input signal. The differential inputs allow for common-mode rejection, reducing noise and interference. The output stage provides a high-current drive capability, ensuring compatibility with various loads.

Detailed Application Field Plans

The OP221GSZ can be used in a wide range of applications, including but not limited to: - Audio amplification - Sensor signal conditioning - Data acquisition systems - Medical instrumentation - Industrial control systems

Detailed and Complete Alternative Models

  1. OP2177: Similar performance characteristics, available in a different package (DIP)
  2. AD822: Higher precision, lower power consumption, available in a different package (SOT)
  3. LM358: Lower cost, wider supply voltage range, available in a different package (PDIP)

These alternative models offer similar functionality and can be considered as substitutes for the OP221GSZ depending on specific requirements and constraints.

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10個與OP221GSZ在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of OP221GSZ in technical solutions:

  1. Q: What is OP221GSZ? A: OP221GSZ is a specific model of operational amplifier (op-amp) manufactured by a company called Analog Devices.

  2. Q: What are the key features of OP221GSZ? A: Some key features of OP221GSZ include low offset voltage, low input bias current, wide bandwidth, and rail-to-rail input/output capability.

  3. Q: What are some typical applications of OP221GSZ? A: OP221GSZ can be used in various technical solutions such as sensor signal conditioning, precision instrumentation, data acquisition systems, and audio amplification.

  4. Q: What is the supply voltage range for OP221GSZ? A: The supply voltage range for OP221GSZ is typically between 2.7V and 36V.

  5. Q: Can OP221GSZ operate with a single power supply? A: Yes, OP221GSZ can operate with a single power supply, making it suitable for battery-powered applications.

  6. Q: What is the input offset voltage of OP221GSZ? A: The input offset voltage of OP221GSZ is typically very low, around a few microvolts.

  7. Q: What is the input bias current of OP221GSZ? A: The input bias current of OP221GSZ is typically very low, in the range of a few nanoamperes.

  8. Q: Can OP221GSZ drive capacitive loads? A: Yes, OP221GSZ has a high output current capability, allowing it to drive capacitive loads without significant degradation in performance.

  9. Q: Is OP221GSZ suitable for low-power applications? A: Yes, OP221GSZ is designed to operate with low power consumption, making it suitable for low-power applications.

  10. Q: Can OP221GSZ be used in temperature-sensitive environments? A: Yes, OP221GSZ has a wide operating temperature range and good temperature stability, making it suitable for use in temperature-sensitive environments.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications or application requirements.