JAJSCA2B
June 2016 – January 2018
ADS8910B
,
ADS8912B
,
ADS8914B
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
ADS89xxB内蔵の機能によりシステムを簡単に設計
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
Switching Characteristics
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
LDO Module
7.3.2
Reference Buffer Module
7.3.3
Converter Module
7.3.3.1
Sample-and-Hold Circuit
7.3.3.2
Internal Oscillator
7.3.3.3
ADC Transfer Function
7.3.4
Interface Module
7.4
Device Functional Modes
7.4.1
RST State
7.4.2
ACQ State
7.4.3
CNV State
7.5
Programming
7.5.1
Output Data Word
7.5.2
Data Transfer Frame
7.5.3
Interleaving Conversion Cycles and Data Transfer Frames
7.5.4
Data Transfer Protocols
7.5.4.1
Protocols for Configuring the Device
7.5.4.2
Protocols for Reading From the Device
7.5.4.2.1
Legacy, SPI-Compatible (SYS-xy-S) Protocols
7.5.4.2.2
SPI-Compatible Protocols with Bus Width Options
7.5.4.2.3
Source-Synchronous (SRC) Protocols
7.5.4.2.3.1
Output Clock Source Options with SRC Protocols
7.5.4.2.3.2
Bus Width Options With SRC Protocols
7.5.4.2.3.3
Output Data Rate Options With SRC Protocols
7.5.5
Device Setup
7.5.5.1
Single Device: All multiSPI Options
7.5.5.2
Single Device: Minimum Pins for a Standard SPI Interface
7.5.5.3
Multiple Devices: Daisy-Chain Topology
7.5.5.4
Multiple Devices: Star Topology
7.6
Register Maps
7.6.1
Device Configuration and Register Maps
7.6.1.1
PD_CNTL Register (address = 04h) [reset = 00h]
Table 11.
PD_CNTL Register Field Descriptions
7.6.1.2
SDI_CNTL Register (address = 008h) [reset = 00h]
Table 12.
SDI_CNTL Register Field Descriptions
7.6.1.3
SDO_CNTL Register (address = 0Ch) [reset = 00h]
Table 13.
SDO_CNTL Register Field Descriptions
7.6.1.4
DATA_CNTL Register (address = 010h) [reset = 00h]
Table 14.
DATA_CNTL Register Field Descriptions
7.6.1.5
PATN_LSB Register (address = 014h) [reset = 00h]
Table 15.
PATN_LSB Register Field Descriptions
7.6.1.6
PATN_MID Register (address = 015h) [reset = 00h]
Table 16.
PATN_MID Register Field Descriptions
7.6.1.7
PATN_MSB Register (address = 016h) [reset = 00h]
Table 17.
PATN_MSB Register Field Descriptions
7.6.1.8
OFST_CAL Register (address = 020h) [reset = 00h]
Table 18.
OFST_CAL Register Field Descriptions
7.6.1.9
REF_MRG Register (address = 030h) [reset = 00h]
Table 19.
REF_MRG Register Field Descriptions
8
Application and Implementation
8.1
Application Information
8.1.1
ADC Reference Driver
8.1.2
ADC Input Driver
8.1.2.1
Charge-Kickback Filter
8.1.2.2
Input Amplifier Selection
8.2
Typical Application
8.2.1
Data Acquisition (DAQ) Circuit for Lowest Distortion and Noise Performance With Differential Input
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
DAQ Circuit With FDA Input Driver and Single-Ended or Differential Input
8.2.3
Design Requirements
8.2.4
Detailed Design Procedure
8.2.5
Application Curves
9
Power-Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Signal Path
10.1.2
Grounding and PCB Stack-Up
10.1.3
Decoupling of Power Supplies
10.1.4
Reference Decoupling
10.1.5
Differential Input Decoupling
10.2
Layout Example
11
デバイスおよびドキュメントのサポート
11.1
ドキュメントのサポート
11.1.1
関連資料
11.2
関連リンク
11.3
ドキュメントの更新通知を受け取る方法
11.4
コミュニティ・リソース
11.5
商標
11.6
静電気放電に関する注意事項
11.7
Glossary
12
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
QFND136Y
発注情報
jajsca2b_oa
jajsca2b_pm
2
アプリケーション
試験/測定機器
医療用画像処理
高精度、高速のデータ収集