Datasheet AD7194 (Analog Devices) - 2

制造商Analog Devices
描述8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA
页数 / 页55 / 2 — AD7194* PRODUCT PAGE QUICK LINKS Last Content Update: 07/07/2017. …
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AD7194* PRODUCT PAGE QUICK LINKS Last Content Update: 07/07/2017. COMPARABLE PARTS. REFERENCE MATERIALS

AD7194* PRODUCT PAGE QUICK LINKS Last Content Update: 07/07/2017 COMPARABLE PARTS REFERENCE MATERIALS

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AD7194* PRODUCT PAGE QUICK LINKS Last Content Update: 07/07/2017 COMPARABLE PARTS REFERENCE MATERIALS
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Solutions Bulletins & Brochures
• Analog-to-Digital Converter and Drivers ICs Solutions
EVALUATION KITS
Bulletin, Volume 10, Issue 2 • AD7194 Evaluation Board
Technical Articles
• MS-2210: Designing Power Supplies for High Speed ADC
DOCUMENTATION Tutorials Application Notes
• Tutorial on Technical and Performance Benefits of AD719x • AN-1069: Zero Latency for the AD7190, AD7192, AD7193, Family AD7194, and AD7195 • AN-1084: Channel Switching: AD7190, AD7192, AD7193,
DESIGN RESOURCES
AD7194, AD7195 • AD7194 Material Declaration • AN-1131: Chopping on the AD7190, AD7192, AD7193, • PCN-PDN Information AD7194, and AD7195 • Quality And Reliability
Data Sheet
• Symbols and Footprints • AD7194: 8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma- Delta ADC with PGA Data Sheet
DISCUSSIONS User Guides
View all AD7194 EngineerZone Discussions. • UG-224: Evaluation Board for the AD7194, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta (Σ-Δ) ADC
SAMPLE AND BUY TOOLS AND SIMULATIONS
Visit the product page to see pricing options. • AD7193/AD7194 Digital Filter Models
TECHNICAL SUPPORT
• Download the Active Functional Model to evaluate and debug AD719x Submit a technical question or find your regional support number.
DOCUMENT FEEDBACK
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS Circuit and Timing Diagrams ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS RMS NOISE AND RESOLUTION SINC4 CHOP DISABLED SINC3 CHOP DISABLED FAST SETTLING ON-CHIP REGISTERS COMMUNICATIONS REGISTER RS2, RS1, RS0 = 000 STATUS REGISTER RS2, RS1, RS0 = 000; Power-On/Reset = 0x80 MODE REGISTER RS2, RS1, RS0 = 001; Power-On/Reset = 0x080060 CONFIGURATION REGISTER RS2, RS1, RS0 = 010; Power-On/Reset = 0x000117 Channel Selection (Pseudo Bit = 0) DATA REGISTER RS2, RS1, RS0 = 011; Power-On/Reset = 0x000000 ID REGISTER RS2, RS1, RS0 = 100; Power-On/Reset = 0xX3 GPOCON REGISTER RS2, RS1, RS0 = 101; Power-On/Reset = 0x00 OFFSET REGISTER RS2, RS1, RS0 = 110; Power-On/Reset = 0x800000) FULL-SCALE REGISTER RS2, RS1, RS0 = 111; Power-On/Reset = 0x5XXXX0 ADC CIRCUIT INFORMATION OVERVIEW Analog Inputs Multiplexer PGA Reference Detect Burnout Currents Σ-Δ ADC and Filter Serial Interface Clock Temperature Sensor Digital Outputs Calibration ANALOG INPUT CHANNEL PROGRAMMABLE GAIN ARRAY (PGA) REFERENCE REFERENCE DETECT BIPOLAR/UNIPOLAR CONFIGURATION DATA OUTPUT CODING BURNOUT CURRENTS DIGITAL INTERFACE Single Conversion Mode Continuous Conversion Mode Continuous Read RESET SYSTEM SYNCHRONIZATION ENABLE PARITY CLOCK TEMPERATURE SENSOR LOGIC OUTPUTS CALIBRATION DIGITAL FILTER SINC4 FILTER (CHOP DISABLED) Sinc4 Output Data Rate/Settling Time Sinc4 Zero Latency Sinc4 50 Hz/60 Hz Rejection SINC3 FILTER (CHOP DISABLED) Sinc3 Output Data Rate and Settling Time Sinc3 Zero Latency Sinc3 50 Hz/60 Hz Rejection CHOP ENABLED (SINC4 FILTER) Output Data Rate and Settling Time (Sinc4 Chop Enabled) 50 Hz/60 Hz Rejection (Sinc4 Chop Enabled) CHOP ENABLED (SINC3 FILTER) Output Data Rate and Settling Time (Sinc3 Chop Enabled) 50 Hz/60 Hz Rejection (Sinc3 Chop Enabled) FAST SETTLING MODE (SINC4 FILTER) Output Data Rate and Settling Time, Sinc4 Filter 50 Hz/60 Hz Rejection, Sinc4 Filter FAST SETTLING MODE (SINC3 FILTER) Output Data Rate and Settling Time, Sinc3 Filter 50 Hz/60 Hz Rejection, Sinc3 Filter FAST SETTLING MODE (CHOP ENABLED) SUMMARY OF FILTER OPTIONS GROUNDING AND LAYOUT APPLICATIONS INFORMATION FLOWMETER OUTLINE DIMENSIONS ORDERING GUIDE