ZHCSO13A
june 2021 – march 2023
INA254
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
7
规格
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Integrated Shunt Resistor
8.3.2
Short-Circuit Duration
8.3.3
Temperature Stability
8.3.4
Enhanced PWM Rejection Operation
8.3.5
Input Signal Bandwidth
8.4
Device Functional Modes
8.4.1
Adjusting the Output Midpoint With the Reference Pins
8.4.2
Reference Pin Connections for Unidirectional Current Measurements
8.4.3
Ground Referenced Output
8.4.4
Reference Pin Connections for Bidirectional Current Measurements
8.4.4.1
Output Set to External Reference Voltage
8.4.5
Output Set to Mid-Supply Voltage
8.4.6
Output Set to Mid-External Reference
8.4.7
Output Set Using Resistor Divider
9
Application and Implementation
9.1
Application Information
9.1.1
Input Filtering
9.2
Typical Applications
9.2.1
Speaker Enhancements and Diagnostics Using Current Sense Amplifier
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.1.1
Development Support
10.2
Documentation Support
10.2.1
Related Documentation
10.3
接收文档更新通知
10.4
支持资源
10.5
Trademarks
10.6
静电放电警告
10.7
术语表
11
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
PWA|24
MPDS582
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcso13a_oa
zhcso13a_pm
1
特性
集成式 400µΩ 精密采样电阻
25°C 时连续 ±75A
在 –40°C 至 +85°C 范围内具有 ±50A 持续电流
采样电阻容差:0.5%(最大值)
低温漂:10ppm/°C(0°C 至 125°C)
低电感:2nH
高精度
系统增益误差:0.5%(最大值)
系统增益漂移:45ppm/°C(最大值)
输入失调电流:±62.5 mA(最大值)
输入温漂:625µA/°C(最大值)
DC CMRR > 120dB
90dB AC CMRR(50kHz 时)
增强型 PWM 抑制
宽共模范围:-4V 至 +80V
可用增益:20 mV/A、40mV/A
和 75mV/A