Datasheet AD7904, AD7914, AD7924 (Analog Devices) - 2

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AD7904/AD7914/AD7924 Data Sheet TABLE OF CONTENTS
Features .. 1 Circuit Information .. 18 Functional Block Diagram .. 1 Converter Operation .. 18 General Description ... 1 ADC Transfer Function ... 19 Product Highlights ... 1 Typical Connection Diagram ... 20 Revision History ... 2 Modes of Operation ... 22 Specifications ... 3 Normal Mode (PM1 = PM0 = 1) ... 22 AD7904 Specifications ... 3 Full Shutdown Mode (PM1 = 1, PM0 = 0) ... 22 AD7914 Specifications ... 5 Auto Shutdown Mode (PM1 = 0, PM0 = 1) ... 22 AD7924 Specifications ... 7 Powering Up the AD7904/AD7914/AD7924 ... 23 Timing Specifications .. 9 Power vs. Throughput Rate ... 25 Absolute Maximum Ratings .. 10 Serial Interface .. 25 ESD Caution .. 10 Applications Information .. 27 Pin Configuration and Function Descriptions ... 11 Microprocessor Interfacing ... 27 Typical Performance Characteristics ... 12 Grounding and Layout .. 28 Terminology .. 14 Outline Dimensions ... 29 Control Register .. 15 Ordering Guide .. 29 Sequencer Operation ... 16 Automotive Products ... 29
REVISION HISTORY 6/13—Rev. B to Rev. C 2/09—Rev. 0 to Rev. A
Deleted Evaluating AD7904/AD7914/AD7924 Performance Updated Format .. Universal Section .. 29 Moved Figure 2 .. 9 Changes to Ordering Guide .. 29 Change to Table 5 ... 10
7/11—Rev. A to Rev. B
Changes to Typical Performance Characteristics Section .. 12 Moved Terminology Section ... 14 Changes to Features Section.. 1 Updated Outline Dimensions ... 30 Changes to Signal to (Noise + Distortion) (SINAD) Parameter Changes to Ordering Guide .. 30 and Signal-to-Noise Ratio (SNR) Parameter in Table 1 .. 3 Changes to Signal to (Noise + Distortion) (SINAD) Parameter
11/02—Revision 0: Initial Version
and Signal-to-Noise Ratio (SNR) Parameter in Table 2 .. 5 Changes to Signal to (Noise + Distortion) (SINAD) Parameter and Signal-to-Noise Ratio (SNR) Parameter in Table 3 .. 7 Changes to Table 5 .. 10 Changes to Ordering Guide .. 30 Added Automotive Products Section... 30 Rev. C | Page 2 of 32 Document Outline Features Functional Block Diagram General Description Product Highlights Revision History Specifications AD7904 Specifications AD7914 Specifications AD7924 Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Control Register Sequencer Operation Circuit Information Converter Operation Analog Input ADC Transfer Function Handling Bipolar Input Signals Typical Connection Diagram Analog Input Selection Digital Inputs VDRIVE Reference Modes of Operation Normal Mode (PM1 = PM0 = 1) Full Shutdown Mode (PM1 = 1, PM0 = 0) Auto Shutdown Mode (PM1 = 0, PM0 = 1) Powering Up the AD7904/AD7914/AD7924 Power vs. Throughput Rate Serial Interface Applications Information Microprocessor Interfacing AD7904/AD7914/AD7924 to TMS320C541 AD7904/AD7914/AD7924 to ADSP-218x AD7904/AD7914/AD7924 to DSP563xx Grounding and Layout Outline Dimensions Ordering Guide Automotive Products