ZHCSQ66A february   2023  – july 2023 OPA2863-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics: VS = ±5 V
    6. 7.6 Electrical Characteristics: VS = 3 V
    7. 7.7 Typical Characteristics: VS = ±5 V
    8. 7.8 Typical Characteristics: VS = 3 V
    9. 7.9 Typical Characteristics: VS = 3 V to 10 V
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Input Stage
      2. 8.3.2 Output Stage
        1. 8.3.2.1 Overload Power Limit
      3. 8.3.3 ESD Protection
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Low-Side Current Sensing
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Front-End Gain and Filtering
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  12. 11Mechanical, Packaging, and Orderable Information

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订购信息

8.1 Overview

The OPA2863-Q1 is a low-power, 50‑MHz, rail-to-rail input and output (RRIO), bipolar, voltage-feedback operational amplifier with a voltage noise density of 5.9 nV/√Hz and 1/f noise corner at 25 Hz. The OPA2863-Q1 works with a wide-supply voltage range of 2.7 V to 12.6 V, and consume only 700 μA quiescent current. The OPA2863-Q1 operates with a 2.7 V supply, is RRIO capable, consumes low-power, which makes this a great amplifier for 3.3‑V or lower-voltage applications that require excellent ac performance. The main and auxiliary input stages of the amplifier are matched for gain bandwidth product (GBW), noise, and offset voltage and designed for applications that require wide dynamic input range and good SNR.

The device includes an overload power limit feature which limits the increase in quiescent current with over-driven and saturated outputs to either of the supply rails. For more details of this overload power limit feature, see Section 8.3.2.1. The output of the amplifier is protected against short-circuit fault conditions.