SLAS708A
September 2010 – September 2019
ADS7947
,
ADS7948
,
ADS7949
PRODUCTION DATA.
1
Features
2
Applications
3
Description
ADS794x Block Diagram
4
Revision History
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
Device and Documentation Support
12.1
Related Links
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTE|16
MPQF149D
Thermal pad, mechanical data (Package|Pins)
RTE|16
QFND525B
Orderable Information
slas708a_oa
slas708a_pm
2
Applications
Communication systems
Optical networking
Medical instrumentation
Battery-powered equipment
Data acquisition systems