AD1974 Просмотр технического описания (PDF) - Analog Devices

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AD1974

4 ADC with PLL, 192 kHz, 24-Bit ADC

Analog Devices 

AD1974

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Test Conditions............................................................................. 3

Analog Performance Specifications ........................................... 3

Crystal Oscillator Specifications................................................. 4

Digital Input/Output Specifications........................................... 4

Power Supply Specifications........................................................ 5

Digital Filters................................................................................. 5

Timing Specifications .................................................................. 5

Absolute Maximum Ratings............................................................ 7

Thermal Resistance ...................................................................... 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

Typical Performance Characteristics ........................................... 10

REVISION HISTORY

3/13—Rev. C to Rev. B

Change to tCLH Parameter, Table 7 ...................................................6

Changes to Serial Control Port Section ........................................12

2/11—Rev. B to Rev. C

Changes to Features Section............................................................ 1

Changes to Ordering Guide .......................................................... 24

Added Automotive Products Section .......................................... 24

6/10—Rev. A to Rev. B

Changed 130°C to 125°C Throughout........................................... 4

Changed TA to TC Throughout ....................................................... 4

Changes to Endnote 2 in Ordering Guide .................................. 24

Data Sheet

Theory of Operation ...................................................................... 11

Analog-to-Digital Converters (ADCs).................................... 11

Clock Signals............................................................................... 11

Reset and Power-Down ............................................................. 11

Serial Control Port ..................................................................... 12

Power Supply and Voltage Reference....................................... 12

Serial Data Ports—Data Format............................................... 12

TDM Modes................................................................................ 13

Daisy-Chain Mode ..................................................................... 14

Control Registers ............................................................................ 18

PLL and Clock Control Registers............................................. 18

AUXPORT Control Registers ................................................... 19

ADC Control Registers.............................................................. 20

Additional Modes....................................................................... 21

Application Circuits ....................................................................... 23

Outline Dimensions ....................................................................... 24

Ordering Guide .......................................................................... 24

Automotive Products ................................................................. 24

11/09—Rev. 0 to Rev. A

Changed Codec to ADC............................................... Throughout

Changes to Features and General Description Sections ..............1

Changes to Clock Signals Section ................................................ 11

Changes to Figure 12 and Figure 13 ............................................ 16

Changes to Control Registers Section ......................................... 18

4/07—Revision 0: Initial Version

Rev. D | Page 2 of 24

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