Datasheet AD1938 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | 4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC |
| Seiten / Seite | 32 / 2 — AD1938. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 7/08—Rev. 0 to … |
| Revision | E |
| Dateiformat / Größe | PDF / 477 Kb |
| Dokumentensprache | Englisch |
AD1938. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 7/08—Rev. 0 to Rev. A. 2/13—Rev. D to Rev. E. 7/11—Rev. C to Rev. D
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AD1938 Data Sheet TABLE OF CONTENTS
Features .. 1 Analog-to-Digital Converters (ADCs) .. 13 Applications ... 1 Digital-to-Analog Converters (DACs) .. 13 General Description ... 1 Clock Signals ... 13 Functional Block Diagram .. 1 Reset and Power-Down ... 14 Revision History ... 2 Serial Control Port ... 14 Specifications ... 3 Power Supply and Voltage Reference ... 15 Test Conditions ... 3 Serial Data Ports—Data Format ... 15 Analog Performance Specifications ... 3 Time-Division Multiplexed (TDM) Modes .. 15 Crystal Oscillator Specifications... 4 Daisy-Chain Mode ... 19 Digital Input/Output Specifications... 5 Control Registers .. 24 Power Supply Specifications.. 5 Definitions ... 24 Digital Filters ... 6 PLL and Clock Control Registers ... 24 Timing Specifications .. 7 DAC Control Registers .. 25 Absolute Maximum Ratings .. 8 ADC Control Registers .. 27 Thermal Resistance .. 8 Additional Modes ... 29 ESD Caution .. 8 Applications Circuits .. 30 Pin Configuration and Function Descriptions ... 9 Outline Dimensions ... 31 Typical Performance Characteristics ... 11 Ordering Guide .. 31 Theory of Operation .. 13
REVISION HISTORY 7/08—Rev. 0 to Rev. A 2/13—Rev. D to Rev. E
Changes to Table 7 ... 7 Change to tCLH Parameter, Table 7 .. 7 Changes to Figure 2 ... 9
Changes to Table 10 .. 9
7/11—Rev. C to Rev. D
Changes to Clock Signals Section .. 13 Changes to Table 10, DSDATAx/ASDATAx Pin Descriptions ... 9 Changes to Reset and Power-Down Section ... 14
Change to Serial Control Port Section .. 14
1/11—Rev. B to Rev. C
Changes to Table 11 ... 14 Added Automotive Information ... Throughout Changes to Figure 24 and Figure 25 .. 22 Change to Table 2, Introductory Text .. 4 Changes to Figure 26 .. 23 Change to Table 4, Introductory Text .. 5 Changes to Definitions Section .. 24 Change to Table 7, Introductory Text .. 7 Changes to Table 16 ... 24 Changes to Ordering Guide .. 31 Change to Additional Modes Section .. 29
8/09—Rev. A to Rev. B
Change to Figure 30 ... 30 Changes to Table 16 Title... 24
5/06—Revision 0: Initial Version
Changes to Figure 18 and Table 19 Titles .. 25 Changes to Table 20 Title... 26 Changes to Table 23 and Table 24 Titles .. 27 Changes to Table 25 Title... 28 Changes to Ordering Guide .. 31 Rev. E | Page 2 of 32 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Test Conditions Analog Performance Specifications Crystal Oscillator Specifications Digital Input/Output Specifications Power Supply Specifications Digital Filters Timing Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Analog-to-Digital Converters (ADCs) Digital-to-Analog Converters (DACs) Clock Signals Reset and Power-Down Serial Control Port Power Supply and Voltage Reference Serial Data Ports—Data Format Time-Division Multiplexed (TDM) Modes Daisy-Chain Mode Control Registers Definitions PLL and Clock Control Registers DAC Control Registers ADC Control Registers Additional Modes Applications Circuits Outline Dimensions Ordering Guide Automotive Products
AD1938 Data Sheet TABLE OF CONTENTS
Features .. 1 Analog-to-Digital Converters (ADCs) .. 13 Applications ... 1 Digital-to-Analog Converters (DACs) .. 13 General Description ... 1 Clock Signals ... 13 Functional Block Diagram .. 1 Reset and Power-Down ... 14 Revision History ... 2 Serial Control Port ... 14 Specifications ... 3 Power Supply and Voltage Reference ... 15 Test Conditions ... 3 Serial Data Ports—Data Format ... 15 Analog Performance Specifications ... 3 Time-Division Multiplexed (TDM) Modes .. 15 Crystal Oscillator Specifications... 4 Daisy-Chain Mode ... 19 Digital Input/Output Specifications... 5 Control Registers .. 24 Power Supply Specifications.. 5 Definitions ... 24 Digital Filters ... 6 PLL and Clock Control Registers ... 24 Timing Specifications .. 7 DAC Control Registers .. 25 Absolute Maximum Ratings .. 8 ADC Control Registers .. 27 Thermal Resistance .. 8 Additional Modes ... 29 ESD Caution .. 8 Applications Circuits .. 30 Pin Configuration and Function Descriptions ... 9 Outline Dimensions ... 31 Typical Performance Characteristics ... 11 Ordering Guide .. 31 Theory of Operation .. 13
REVISION HISTORY 7/08—Rev. 0 to Rev. A 2/13—Rev. D to Rev. E
Changes to Table 7 ... 7 Change to tCLH Parameter, Table 7 .. 7 Changes to Figure 2 ... 9
Changes to Table 10 .. 9
7/11—Rev. C to Rev. D
Changes to Clock Signals Section .. 13 Changes to Table 10, DSDATAx/ASDATAx Pin Descriptions ... 9 Changes to Reset and Power-Down Section ... 14
Change to Serial Control Port Section .. 14
1/11—Rev. B to Rev. C
Changes to Table 11 ... 14 Added Automotive Information ... Throughout Changes to Figure 24 and Figure 25 .. 22 Change to Table 2, Introductory Text .. 4 Changes to Figure 26 .. 23 Change to Table 4, Introductory Text .. 5 Changes to Definitions Section .. 24 Change to Table 7, Introductory Text .. 7 Changes to Table 16 ... 24 Changes to Ordering Guide .. 31 Change to Additional Modes Section .. 29
8/09—Rev. A to Rev. B
Change to Figure 30 ... 30 Changes to Table 16 Title... 24
5/06—Revision 0: Initial Version
Changes to Figure 18 and Table 19 Titles .. 25 Changes to Table 20 Title... 26 Changes to Table 23 and Table 24 Titles .. 27 Changes to Table 25 Title... 28 Changes to Ordering Guide .. 31 Rev. E | Page 2 of 32 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Test Conditions Analog Performance Specifications Crystal Oscillator Specifications Digital Input/Output Specifications Power Supply Specifications Digital Filters Timing Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Analog-to-Digital Converters (ADCs) Digital-to-Analog Converters (DACs) Clock Signals Reset and Power-Down Serial Control Port Power Supply and Voltage Reference Serial Data Ports—Data Format Time-Division Multiplexed (TDM) Modes Daisy-Chain Mode Control Registers Definitions PLL and Clock Control Registers DAC Control Registers ADC Control Registers Additional Modes Applications Circuits Outline Dimensions Ordering Guide Automotive Products