JAJSI23I
September 2009 – October 2019
TMP431
,
TMP432
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回路図
4
改訂履歴
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
Timing Requirements
6.7
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Temperature Measurement Data
8.3.2
Beta Compensation
8.3.3
Series Resistance Cancellation
8.3.4
Differential Input Capacitance
8.3.5
Filtering
8.3.6
Sensor Fault
8.3.7
THERM and ALERT/THERM2
8.4
Device Functional Modes
8.4.1
Shutdown Mode (SD)
8.4.2
One-Shot Mode
8.5
Programming
8.5.1
Serial Interface
8.5.2
Bus Overview
8.5.3
Timing Diagrams
8.5.4
Serial Bus Address
8.5.5
Read and Write Operations
8.5.6
Undervoltage Lockout
8.5.7
Timeout Function
8.5.8
High-Speed Mode
8.5.9
General Call Reset
8.5.10
SMBus Alert Function
8.6
Register Maps
8.6.1
Pointer Register
8.6.2
Temperature Registers
8.6.3
Limit Registers
8.6.4
Status Registers
8.6.4.1
TMP431 Status Register
8.6.4.2
TMP432 Status Register
8.6.5
Configuration Register 1
8.6.6
Configuration Register 2
8.6.7
Conversion Rate Register
8.6.8
Beta Compensation Configuration Register
8.6.9
η-Factor Correction Register
8.6.10
Software Reset
8.6.11
Consecutive Alert Register
8.6.12
Therm Hysteresis Register
8.6.13
Identification Registers
8.6.14
Open Status Register
8.6.15
Channel Mask Register
8.6.16
High Limit Status Register
8.6.17
Low Limit Status Register
8.6.18
THERM Limit Status Register
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
12
デバイスおよびドキュメントのサポート
12.1
関連リンク
12.2
コミュニティ・リソース
12.3
商標
12.4
静電気放電に関する注意事項
12.5
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
メカニカル・データ(パッケージ|ピン)
DGK|8
MPDS028E
サーマルパッド・メカニカル・データ
発注情報
jajsi23i_oa
jajsi23i_pm
6.7
Typical Characteristics
At T
A
= 25°C and V+ = 3.3 V, unless otherwise noted.
Figure 1.
Remote Temperature Error vs Temperature
Figure 3.
Remote Temperature Error vs Leakage Resistance
Figure 5.
Shutdown Quiescent Current
vs SCL Clock Frequency
Figure 7.
Remote Temperature Error vs Series Resistance
At 25°C, V+ = 3.3 V, R
S
= 0 Ω
Figure 9.
Remote Temperature Error
vs Differential Capacitance
Figure 2.
Local Temperature Error vs Temperature
Figure 4.
Quiescent Current vs Conversion Rate
Figure 6.
Shutdown Quiescent Current vs Supply Voltage
Figure 8.
Remote Temperature Error vs Series Resistance
(Low-Beta Transistor)
At 25°C, V+ = 3.3 V, R
S
= 0 Ω, Beta = 011 (AUTO)
Figure 10.
Remote Temperature Error
vs Differential Capacitance With 45-nm CPU