JAJSHX7A
September 2010 – September 2019
ADS7947
,
ADS7948
,
ADS7949
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
ADS794x のブロック図
4
改訂履歴
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: ADS794x (12-, 10-, 8-Bit)
7.4
Thermal Information
7.5
Electrical Characteristics: ADS7947 (12-Bit)
7.6
Electrical Characteristics: ADS7948 (10-Bit)
7.7
Electrical Characteristics: ADS7949 (8-Bit)
7.8
Timing Requirements
7.9
Switching Characteristics
7.10
Typical Characteristics: ADS7947, ADS7948, ADS7949
7.11
Typical Characteristics: ADS7947 (12-Bit)
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Multiplexer and ADC Input
8.3.2
Reference
8.3.3
Clock
8.3.4
ADC Transfer Function
8.3.5
Power-Down
8.4
Device Functional Modes
8.4.1
Device Operation
8.5
Programming
8.5.1
16-Clock Frame
8.5.2
32-Clock Frame
9
Application and Implementation
9.1
Application Information
9.1.1
Driving an ADC Without a Driving Op Amp
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
関連リンク
12.2
ドキュメントの更新通知を受け取る方法
12.3
コミュニティ・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
メカニカル・データ(パッケージ|ピン)
RTE|16
MPQF149D
サーマルパッド・メカニカル・データ
RTE|16
QFND525B
発注情報
jajshx7a_oa
jajshx7a_pm
7.10
Typical Characteristics: ADS7947, ADS7948, ADS7949
at T
A
= 25°C, DVDD = 1.8 V, V
REF
= 2.5 V, and f
SAMPLE
= 2 MSPS (unless otherwise noted)
Figure 2.
Supply Current vs Analog Supply Voltage
Figure 4.
Static Current vs Analog Supply Voltage
Figure 6.
Supply Current vs Throughput
Figure 3.
Supply Current vs Temperature
Figure 5.
Static Current vs Free-Air Temperature