ZHCSK74A
August 2019 – April 2020
DRV425-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
4
修订历史记录
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fluxgate Sensor Front-End
7.3.1.1
Fluxgate Sensor
7.3.1.2
Bandwidth
7.3.1.3
Differential Driver for the Internal Compensation Coil
7.3.1.4
Magnetic Field Range, Overrange Indicator, and Error Flag
7.3.2
Shunt-Sense Amplifier
7.3.3
Voltage Reference
7.3.4
Low-Power Operation
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Linear Position Sensing
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
Current Sensing in Busbars
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curves
9
Power Supply Recommendations
9.1
Power Supply Decoupling
9.2
Power-On Start-Up and Brownout
9.3
Power Dissipation
9.3.1
Thermal Pad
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
器件和文档支持
11.1
文档支持
11.1.1
相关文档
11.2
接收文档更新通知
11.3
支持资源
11.4
商标
11.5
静电放电警告
11.6
Glossary
12
机械、封装和可订购信息
1
特性
符合面向汽车应用的 AEC-Q100 标准:
温度等级 1:–40°C 至 +125°C,T
A
提供功能安全
可帮助进行功能安全系统设计的文档
高精度集成式磁通门传感器:
失调电压:±8µT(最大值)
温漂:±5nT/°C(典型值)
增益误差:0.04%(典型值)
增益漂移:±7ppm/°C(典型值)
线性度:±0.1%
噪声:1.5nT/√
Hz
(典型值)
传感器范围:±2mT(最大值)
通过外部电阻器可调节范围和增益
可选带宽:47kHz 或 32kHz
精度基准:
精度:2%(最大值),漂移:50ppm/°C(最大值)
引脚可选电压:2.5V 或 1.65V
可选的比例模式:VDD/2
诊断 功能:超范围和错误标志
电源电压范围:3.0V 至 5.5V