ZHCSHT3B
December 2017 – October 2019
INA381
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用
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
Wide Input Common-Mode Voltage Range
7.3.2
Precise Low-Side Current Sensing
7.3.3
High Bandwidth and Slew Rate
7.3.4
Alert Output
7.3.5
Adjustable Overcurrent Threshold
7.3.6
Comparator Hysteresis
7.4
Device Functional Modes
7.4.1
Alert Modes
7.4.1.1
Transparent Output Mode
7.4.1.2
Latch Output Mode
8
Applications and Implementation
8.1
Application Information
8.1.1
Select a Current-Sensing Resistor
8.1.1.1
Select a Current-Sensing Resistor: Example
8.1.2
Increase Comparator Hysteresis
8.1.3
Operation With Common-Mode Transients Greater Than 26 V
8.1.4
Input Filtering
8.2
Typical Applications
8.2.1
Bidirectional Window Comparator
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.2.2
Solenoid Low-Side Current Sensing
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curve
9
Power Supply Recommendations
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
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
DGS|10
DSG|8
散热焊盘机械数据 (封装 | 引脚)
DSG|8
QFND141I
订购信息
zhcsht3b_oa
zhcsht3b_pm
1
特性
共模输入范围:–0.2V 至 +26V
高精度放大器:
T
A
= 25°C 时的失调电压
V
CM
= 12V 时为 500µV(最大值)
V
CM
= 0V 时为 150µV(最大值)
失调电压漂移:1µV/°C(最大值)
增益误差:25°C 时为 1%(最大值)
增益误差漂移:20ppm/°C(最大值)
可用放大器增益:
INA381A1:20V/V
INA381A2:50V/V
INA381A3:100V/V
INA381A4:200V/V
开漏比较器:
迟滞:50mV
传播延迟:400ns(典型值)
通过外部基准电压设置警报阈值
支持透明和锁存模式
封装:VSSOP-10 和 WSON-8