JAJSEX6B
December 2017 – October 2019
INA381
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
代表的なアプリケーション
4
改訂履歴
5
概要(続き)
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
Wide Input Common-Mode Voltage Range
8.3.2
Precise Low-Side Current Sensing
8.3.3
High Bandwidth and Slew Rate
8.3.4
Alert Output
8.3.5
Adjustable Overcurrent Threshold
8.3.6
Comparator Hysteresis
8.4
Device Functional Modes
8.4.1
Alert Modes
8.4.1.1
Transparent Output Mode
8.4.1.2
Latch Output Mode
9
Applications and Implementation
9.1
Application Information
9.1.1
Select a Current-Sensing Resistor
9.1.1.1
Select a Current-Sensing Resistor: Example
9.1.2
Increase Comparator Hysteresis
9.1.3
Operation With Common-Mode Transients Greater Than 26 V
9.1.4
Input Filtering
9.2
Typical Applications
9.2.1
Bidirectional Window Comparator
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.2.2
Solenoid Low-Side Current Sensing
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
デバイスおよびドキュメントのサポート
12.1
ドキュメントのサポート
12.1.1
関連資料
12.2
ドキュメントの更新通知を受け取る方法
12.3
サポート・リソース
12.4
商標
12.5
静電気放電に関する注意事項
12.6
Glossary
13
メカニカル、パッケージ、および注文情報
パッケージ・オプション
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
メカニカル・データ(パッケージ|ピン)
DGS|10
DSG|8
サーマルパッド・メカニカル・データ
DSG|8
QFND141I
発注情報
jajsex6b_oa
jajsex6b_pm
7.6
Typical Characteristics
at T
A
= 25°C, V
S
= 5 V, V
IN+
= 12 V, and alert pullup resistor = 10 kΩ (unless otherwise noted)
V
IN+
= 0 V
Figure 1.
Input Offset Voltage Production Distribution (INA381A1)
V
IN+
= 0 V
Figure 3.
Input Offset Voltage Production Distribution (INA381A3)
V
IN+
= 0 V
Figure 5.
Offset Voltage vs Temperature
Figure 7.
Common-Mode Rejection Production Distribution (INA381A2)
Figure 9.
Common-Mode Rejection Production Distribution (INA381A4)
Figure 11.
Gain Error Production Distribution (INA381A1)
Figure 13.
Gain Error Production Distribution (INA381A3)
Figure 15.
Gain Error vs Temperature
Figure 17.
Power-Supply Rejection Ratio vs Frequency
Figure 19.
Output Voltage Swing vs Output Current
Supply voltage = 0 V
Figure 21.
Input Bias Current vs Common-Mode Voltage (Both Inputs, Shutdown)
Figure 23.
Quiescent Current vs Temperature
Figure 25.
Input-Referred Voltage Noise vs Frequency
(INA381A3 Devices)
80-mV
PP
input step
Figure 27.
Step Response
Figure 29.
Inverting Differential Input Overload
Figure 31.
Start-Up Response
Figure 33.
Comparator Propagation Delay
Figure 35.
Comparator Propagation Delay vs Temperature
Figure 37.
Low-Level Output Voltage vs Low-Level Output Current
Figure 39.
Reset and Alert Voltage Response
V
IN+
= 0 V
Figure 2.
Input Offset Voltage Production Distribution (INA381A2)
V
IN+
= 0 V
Figure 4.
Input Offset Voltage Production Distribution (INA381A4)
Figure 6.
Common-Mode Rejection Production Distribution (INA381A1)
Figure 8.
Common-Mode Rejection Production Distribution (INA381A3)
Figure 10.
Common-Mode Rejection Ratio vs Temperature
Figure 12.
Gain Error Production Distribution (INA381A2)
Figure 14.
Gain Error Production Distribution (INA381A4)
Figure 16.
Gain vs Frequency
Figure 18.
Common-Mode Rejection Ratio vs Frequency
Supply voltage = 5 V
Figure 20.
Input Bias Current vs Common-Mode Voltage
Figure 22.
Input Bias Current vs Temperature
Figure 24.
Quiescent Current vs Common-Mode Voltage
Figure 26.
0.1-Hz to 10-Hz Voltage Noise (Referred-to-Input)
Figure 28.
Common-Mode Voltage Transient Response
Figure 30.
Noninverting Differential Input Overload
Figure 32.
Brownout Recovery
Figure 34.
V
SENSE
Voltage Response
Figure 36.
Total Propagation Delay vs Temperature
Figure 38.
Hysteresis vs Temperature