ZHCSIA5A
July 2018 – December 2018
INA253
PRODUCTION DATA.
1
特性
2
应用
3
说明
典型应用
4
修订历史记录
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
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 Divide
9
Application and Implementation
9.1
Application Information
9.1.1
Input Filtering
9.2
Typical Applications
9.2.1
High-Side, High-Drive, Solenoid Current-Sense Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.2.2
Speaker Enhancements and Diagnostics Using Current Sense Amplifier
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curve
9.2.3
Current Sensing for Remote I/Os in PLC
9.2.3.1
Design Requirements
9.2.3.2
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
器件支持
12.1.1
开发支持
12.2
相关文档
12.3
接收文档更新通知
12.4
社区资源
12.5
商标
12.6
静电放电警告
12.7
术语表
13
机械、封装和可订购信息
7.6
Typical Characteristics
at T
A
= 25°C, V
S
= 5 V, V
IN+
= 12 V, and V
REF
= V
S
/ 2 (unless otherwise noted)
All gains
Figure 1.
Input Offset Voltage Production Distribution
All gains
Figure 3.
Common-Mode Rejection Production Distribution
Figure 5.
Power-Supply Rejection Ratio vs Temperature
Figure 7.
Gain Error Production Distribution (INA253A2)
Figure 9.
System Gain Error vs Temperature
V
CM
= 0 V, V
DIFF
= 10-mV
PP
sine
Figure 11.
Amplifier Gain Error vs Frequency
Figure 13.
Common-Mode Rejection Ratio vs Frequency
V
S
= 5 V
Figure 15.
Input Bias Current vs Common-Mode Voltage
Figure 17.
Input Bias Current vs Temperature
Figure 19.
Quiescent Current vs Common-mode Voltage
Figure 21.
INA253A2 Input-Referred Voltage Noise vs Frequency
Figure 23.
0.1-Hz to 10-Hz Voltage Noise (Referred-to-Input)
V
REF1
= V
REF2
= 0 V
Figure 25.
Common-Mode Transient Response
Rising Edge
Figure 27.
Common-Mode Voltage Transient Response
Figure 2.
Input Offset Current vs Temperature
Figure 4.
Common-Mode Rejection Ratio vs Temperature
Figure 6.
Gain Error Production Distribution (INA253A1)
Figure 8.
Gain Error Production Distribution (INA253A3)
Figure 10.
Amplifier Gain Error vs Temperature
Figure 12.
Power-Supply Rejection Ratio vs Frequency
V
S
= 5 V
Figure 14.
Output Voltage Swing vs Output Current
V
S
= 0 V
Figure 16.
Input Bias Current vs Common-Mode Voltage
Figure 18.
Quiescent Current vs Temperature
Figure 20.
INA253A1 Input-Referred Voltage Noise vs Frequency
Figure 22.
INA253A3 Input-Referred Voltage Noise vs Frequency
V
REF1
= V
REF2
= 0 V, 10-mV
PP
input step
Figure 24.
Amplifier Step Response
Figure 26.
Start-Up Response
Falling Edge
Figure 28.
Common-Mode Voltage Transient Response
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