JAJSM04A
june 2021 – march 2023
INA254
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
7
仕様
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
ドキュメントの更新通知を受け取る方法
10.4
サポート・リソース
10.5
Trademarks
10.6
静電気放電に関する注意事項
10.7
用語集
11
Mechanical, Packaging, and Orderable Information
9.2.1.1
Design Requirements
Table 9-2 Design Parameters
DESIGN PARAMETER
EXAMPLE VALUE
Common-mode voltage
60 V
Power-supply voltage
3.3 V
Peak current
±15 A
Frequency sweep
20 Hz to 20 Khz