JAJSE97D
June 2017 – May 2019
DAC8740H
,
DAC8741H
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
概略回路図
4
改訂履歴
5
概要(続き)
6
Device Comparison Table
7
Pin Configuration and Functions
Pin Functions: DAC8740H
Pin Functions: DAC8741H
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Timing Requirements
8.7
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
HART Modulator
9.3.2
HART Demodulator
9.3.3
FOUNDATION Fieldbus or PROFIBUS PA Manchester Encoder
9.3.4
FOUNDATION Fieldbus or PROFIBUS PA Manchester Decoder
9.3.5
Internal Reference
9.3.6
Clock Configuration
9.3.7
Reset and Power-Down
9.3.8
Full-Duplex Mode
9.3.9
I/O Selection
9.3.10
Jabber Inhibitor
9.4
Device Functional Modes
9.4.1
UART Interfaced HART
9.4.2
UART Interfaced FOUNDATION Fieldbus or PROFIBUS PA
9.4.3
SPI Interfaced HART
9.4.4
SPI Interfaced FOUNDATION Fieldbus or PROFIBUS PA
9.4.5
Digital Interface
9.4.5.1
UART
9.4.5.1.1
UART Carrier Detect
9.4.5.2
SPI
9.4.5.2.1
SPI Cyclic Redundancy Check
9.4.5.2.2
SPI Interrupt Request
9.5
Register Maps
9.5.1
CONTROL Register (Offset = 2h) [reset = 0x8042]
Table 9.
CONTROL Register Field Descriptions
9.5.2
RESET Register (Offset = 7h) [reset = 0x0000]
Table 10.
RESET Register Field Descriptions
9.5.3
MODEM_STATUS Register (Offset = 20h) [reset = 0x0000]
Table 11.
MODEM_STATUS Register Field Descriptions
9.5.4
MODEM_IRQ_MASK Register (Offset = 21h) [reset = 0x0024]
Table 12.
MODEM_IRQ_MASK Register Field Descriptions
9.5.5
MODEM_CONTROL Register (Offset = 22h) [reset = 0x0048]
Table 13.
MODEM_CONTROL Register Field Descriptions
9.5.6
FIFO_D2M Register (Offset = 23h) [reset = 0x0200]
Table 14.
FIFO_D2M Register Field Descriptions
9.5.7
FIFO_M2D Register (Offset = 24h) [reset = 0x0200]
Table 15.
FIFO_M2D Register Field Descriptions
9.5.8
FIFO_LEVEL_SET Register (Offset = 25h) [reset = 0x0000]
Table 16.
FIFO_LEVEL_SET Register Field Descriptions
9.5.9
PAFF_JABBER Register (Offset = 27h) [reset = 0x0000]
Table 17.
PAFF_JABBER Register Field Descriptions
10
Application and Implementation
10.1
Application Information
10.1.1
Design Recommendations
10.1.2
Selecting the Crystal or Resonator
10.1.3
Included Functions and Filter Selection
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
DAC8740H HART Modem
10.2.2.2
2-Wire Current Loop
10.2.2.3
Regulator
10.2.2.4
DAC
10.2.2.5
Amplifiers
10.2.2.6
Diodes
10.2.2.7
Passives
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
デバイスおよびドキュメントのサポート
13.1
ドキュメントのサポート
13.1.1
関連資料
13.2
関連リンク
13.3
ドキュメントの更新通知を受け取る方法
13.4
コミュニティ・リソース
13.5
商標
13.6
静電気放電に関する注意事項
13.7
Glossary
14
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)
RGE|24
MPQF124G
サーマルパッド・メカニカル・データ
RGE|24
QFND173T
発注情報
jajse97d_oa
jajse97d_pm
9.2
Functional Block Diagram