Datasheet AD9644 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 14-Bit, 80 MSPS/155 MSPS, 1.8V Dual, Serial Output A/D Converter |
| Pages / Page | 45 / 3 — AD9644. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 1/12—Rev. B to … |
| Revision | C |
| File Format / Size | PDF / 1.5 Mb |
| Document Language | English |
AD9644. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 1/12—Rev. B to Rev. C. 4/11—Rev. 0 to Rev. A. 6/11—Rev. A to Rev. B
Model Line for this Datasheet
Text Version of Document
link to page 1 link to page 1 link to page 1 link to page 1 link to page 3 link to page 4 link to page 5 link to page 5 link to page 6 link to page 7 link to page 9 link to page 10 link to page 11 link to page 11 link to page 11 link to page 12 link to page 14 link to page 20 link to page 21 link to page 21 link to page 21 link to page 23 link to page 23 link to page 25 link to page 25 link to page 25 link to page 30 link to page 30 link to page 30 link to page 32 link to page 32 link to page 33 link to page 33 link to page 34 link to page 34 link to page 35 link to page 39 link to page 43 link to page 43 link to page 44 link to page 44
AD9644 Data Sheet TABLE OF CONTENTS
Features .. 1 Voltage Reference ... 22 Applications ... 1 Clock Input Considerations .. 22 Functional Block Diagram .. 1 Channel/Chip Synchronization .. 24 Product Highlights ... 1 Power Dissipation and Standby Mode .. 24 Revision History ... 2 Digital Outputs ... 24 General Description ... 3 Built-In Self-Test (BIST) and Output Test .. 29 Specifications ... 4 Built-In Self-Test (BIST) .. 29 ADC DC Specifications ... 4 Output Test Modes ... 29 ADC AC Specifications ... 5 Serial Port Interface (SPI) .. 31 Digital Specifications ... 6 Configuration Using the SPI ... 31 Switching Specifications .. 8 Hardware Interface ... 32 Timing Specifications .. 9 SPI Accessible Features .. 32 Absolute Maximum Ratings .. 10 Memory Map .. 33 Thermal Characteristics .. 10 Reading the Memory Map Register Table ... 33 ESD Caution .. 10 Memory Map Register Table ... 34 Pin Configuration and Function Descriptions ... 11 Memory Map Register Descriptions .. 38 Typical Performance Characteristics ... 13 Applications Information .. 42 Equivalent Circuits ... 19 Design Guidelines .. 42 Theory of Operation .. 20 Outline Dimensions ... 43 ADC Architecture .. 20 Ordering Guide .. 43 Analog Input Considerations .. 20
REVISION HISTORY 1/12—Rev. B to Rev. C 4/11—Rev. 0 to Rev. A
Change to General Description Section .. 3 Added Model -155 ... Throughout Changes to Features Section and Figure 1 ... 1
6/11—Rev. A to Rev. B
Changes to General Description Section ... 3 Added Figure 23 to Figure 40; Renumbered Sequentially .. 16 Changes to Table 1 ... 4 Changes to Clock Input Considerations Section.. 22 Changes to Table 2 ... 5 Added Figure 61 .. 24 Changes to Table 4 ... 8 Changes to Digital Outputs and Timing Section ... 27 Additions to TPC Introductory Statement ... 13 Added Figure 69 .. 28 Changes to Speed Grade ID Bits in Table 17 .. 31 Changes to Output Test Modes Section .. 29 Changes to Ordering Guide .. 40 Changes to SPI Accessible Features Section ... 32
6/10—Revision 0: Initial Version
Rev. C | Page 2 of 44 Document Outline Features Applications Functional Block Diagram Product Highlights Revision History General Description Specifications ADC DC Specifications ADC AC Specifications Digital Specifications Switching Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Characteristics ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Equivalent Circuits Theory of Operation ADC Architecture Analog Input Considerations Input Common Mode Differential Input Configurations Voltage Reference Clock Input Considerations Clock Input Options Input Clock Divider Clock Duty Cycle Jitter Considerations Channel/Chip Synchronization Power Dissipation and Standby Mode Digital Outputs JESD204A Transmit Top Level Description Initial Frame Synchronization Frame and Lane Alignment Monitoring and Correction Digital Outputs and Timing Built-In Self-Test (BIST) and Output Test Built-In Self-Test (BIST) Output Test Modes Serial Port Interface (SPI) Configuration Using the SPI Hardware Interface SPI Accessible Features Memory Map Reading the Memory Map Register Table Open Locations Default Values Logic Levels Transfer Register Map Channel-Specific Registers Memory Map Register Table Memory Map Register Descriptions Sync Control (Register 0x3A) Bits[7:3]—Open Bit 2—Clock Divider Next Sync Only Bit 1—Clock Divider Sync Enable Bit 0—Master Sync Buffer Enable JESD204A Quick Configure (Register 0x5E) Bits[7:3]—Reserved Bits[2:0]—Register Quick Configuration JESD204A Lane Assignment (Register 0x5F) Bits[7:4]—Reserved Bits[3:0]—JESD204A Serial Lane Control JESD204A Link Control Register 1 (Register 0x60) Bit 7—Reserved Bit 6—Serial Tail Bit Enable Bit 5—Serial Test Sample Enable Bit 4—Serial Lane Synchronization Enable Bits[3:2]—Serial Lane Alignment Sequence Mode Bit 1—Frame Alignment Character Insertion Disable Bit 0—Serial Transmit Link Powered Down JESD204A Link Control Register 2 (Register 0x61) Bits[7:6]—Local DSYNC Mode Bit 5—DSYNC Pin Input Inverted Bit 4—CMOS DSYNC Input Bit 3—Open Bit 2—Bypass 8b/10b Encoding Bit 1—Invert Transmit Bits Bit 0—Mirror Serial Output Bits JESD204A Link Control Register 3 (Register 0x62) Bit 7—Disable CHKSUM Bit 6—Open Bits[5:4]—Link Test Generation Input Selection Bit 3—Open Bits[2:0]—Link Test Generation Mode JESD204A Link Control Register 4 (Register 0x63) Bits[7:0]—Initial Lane Alignment Sequence Repeat Count JESD204A Device Identification Number (DID) (Register 0x64) Bits[7:0]—Serial Device Identification (DID) Number JESD204A Bank Identification Number (BID) (Register 0x65) Bits[7:4]—Open Bits[3:0]—Serial Bank Identification (DID) Number JESD204A Lane Identification Number (LID) for Lane 0 (Register 0x66) Bits[7:5]—Open Bits[4:0]—Serial Lane Identification (LID) Number for Lane 0. JESD204A Lane Identification Number (LID) for Lane 1 (Register 0x67) Bits[7:5]—Open Bits[4:0]—Serial Lane Identification (LID) Number for Lane 1. JESD204A Scrambler (SCR) and Lane Configuration Registers (Register 0x6E) Bit 7—Enable Serial Scrambler Mode Bits[6:1]—Open Bit[0]—Serial Lane Control. JESD204A Number of Octets Per Frame (F) (Register 0x6F—Read Only) Bits[7:0]—Number of Octets per Frame (F) JESD204A Number of Frames Per Multiframe (Register 0x70) Bits[7:5]—Reserved Bits[4:0]—Number of Frames per Multiframe (K). JESD204A Number of Converters Per Link (M) (Register 0x71) Bits[7:1]—Reserved Bit 0—Number of Converters per Link per Device (M). JESD204A ADC Resolution (N) and Control Bits Per Sample (CS) (Register 0x72) Bits[7:6]—Number of Control Bits per Sample (CS) Bit 5—Open Bits[4:0]—Converter Resolution (N) JESD204A Total Bits Per Sample (N’) (Register 0x73) Bits[7:5]—Open Bits[4:0]—Total Number of Bits per Sample (N’) JESD204A Samples Per Converter (S) Frame Cycle (Register 0x74) Bits[7:5]—Open Bits[4:0]—Samples per Converter Frame Cycle (S) JESD204A HD and CF Configuration (Register 0x75) Bit 7—Enable High Density Format (Read Only) Bits[6:5]—Reserved Bits[4:0]—Number of Control Words per Frame Clock Cycle per Link (CF) JESD204A Serial Reserved Field 1 (Register 0x76) Bits[7:0]—Serial Reserved Field 1 (RES1) JESD204A Serial Reserved Field 2 (Register 0x77) Bits[7:0]—Serial Reserved Field 2 (RES2) JESD204A Serial Checksum Value for Lane 0 (Register 0x78) Bits[7:0]—Serial Checksum Value for Lane 0 JESD204A Serial Checksum Value for Lane 1 (Register 0x79) Bits[7:0]—Serial Checksum Value for Lane 1 Applications Information Design Guidelines Power and Ground Recommendations Exposed Paddle Thermal Heat Slug Recommendations VCMA and VCMB SPI Port Outline Dimensions Ordering Guide
AD9644 Data Sheet TABLE OF CONTENTS
Features .. 1 Voltage Reference ... 22 Applications ... 1 Clock Input Considerations .. 22 Functional Block Diagram .. 1 Channel/Chip Synchronization .. 24 Product Highlights ... 1 Power Dissipation and Standby Mode .. 24 Revision History ... 2 Digital Outputs ... 24 General Description ... 3 Built-In Self-Test (BIST) and Output Test .. 29 Specifications ... 4 Built-In Self-Test (BIST) .. 29 ADC DC Specifications ... 4 Output Test Modes ... 29 ADC AC Specifications ... 5 Serial Port Interface (SPI) .. 31 Digital Specifications ... 6 Configuration Using the SPI ... 31 Switching Specifications .. 8 Hardware Interface ... 32 Timing Specifications .. 9 SPI Accessible Features .. 32 Absolute Maximum Ratings .. 10 Memory Map .. 33 Thermal Characteristics .. 10 Reading the Memory Map Register Table ... 33 ESD Caution .. 10 Memory Map Register Table ... 34 Pin Configuration and Function Descriptions ... 11 Memory Map Register Descriptions .. 38 Typical Performance Characteristics ... 13 Applications Information .. 42 Equivalent Circuits ... 19 Design Guidelines .. 42 Theory of Operation .. 20 Outline Dimensions ... 43 ADC Architecture .. 20 Ordering Guide .. 43 Analog Input Considerations .. 20
REVISION HISTORY 1/12—Rev. B to Rev. C 4/11—Rev. 0 to Rev. A
Change to General Description Section .. 3 Added Model -155 ... Throughout Changes to Features Section and Figure 1 ... 1
6/11—Rev. A to Rev. B
Changes to General Description Section ... 3 Added Figure 23 to Figure 40; Renumbered Sequentially .. 16 Changes to Table 1 ... 4 Changes to Clock Input Considerations Section.. 22 Changes to Table 2 ... 5 Added Figure 61 .. 24 Changes to Table 4 ... 8 Changes to Digital Outputs and Timing Section ... 27 Additions to TPC Introductory Statement ... 13 Added Figure 69 .. 28 Changes to Speed Grade ID Bits in Table 17 .. 31 Changes to Output Test Modes Section .. 29 Changes to Ordering Guide .. 40 Changes to SPI Accessible Features Section ... 32
6/10—Revision 0: Initial Version
Rev. C | Page 2 of 44 Document Outline Features Applications Functional Block Diagram Product Highlights Revision History General Description Specifications ADC DC Specifications ADC AC Specifications Digital Specifications Switching Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Characteristics ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Equivalent Circuits Theory of Operation ADC Architecture Analog Input Considerations Input Common Mode Differential Input Configurations Voltage Reference Clock Input Considerations Clock Input Options Input Clock Divider Clock Duty Cycle Jitter Considerations Channel/Chip Synchronization Power Dissipation and Standby Mode Digital Outputs JESD204A Transmit Top Level Description Initial Frame Synchronization Frame and Lane Alignment Monitoring and Correction Digital Outputs and Timing Built-In Self-Test (BIST) and Output Test Built-In Self-Test (BIST) Output Test Modes Serial Port Interface (SPI) Configuration Using the SPI Hardware Interface SPI Accessible Features Memory Map Reading the Memory Map Register Table Open Locations Default Values Logic Levels Transfer Register Map Channel-Specific Registers Memory Map Register Table Memory Map Register Descriptions Sync Control (Register 0x3A) Bits[7:3]—Open Bit 2—Clock Divider Next Sync Only Bit 1—Clock Divider Sync Enable Bit 0—Master Sync Buffer Enable JESD204A Quick Configure (Register 0x5E) Bits[7:3]—Reserved Bits[2:0]—Register Quick Configuration JESD204A Lane Assignment (Register 0x5F) Bits[7:4]—Reserved Bits[3:0]—JESD204A Serial Lane Control JESD204A Link Control Register 1 (Register 0x60) Bit 7—Reserved Bit 6—Serial Tail Bit Enable Bit 5—Serial Test Sample Enable Bit 4—Serial Lane Synchronization Enable Bits[3:2]—Serial Lane Alignment Sequence Mode Bit 1—Frame Alignment Character Insertion Disable Bit 0—Serial Transmit Link Powered Down JESD204A Link Control Register 2 (Register 0x61) Bits[7:6]—Local DSYNC Mode Bit 5—DSYNC Pin Input Inverted Bit 4—CMOS DSYNC Input Bit 3—Open Bit 2—Bypass 8b/10b Encoding Bit 1—Invert Transmit Bits Bit 0—Mirror Serial Output Bits JESD204A Link Control Register 3 (Register 0x62) Bit 7—Disable CHKSUM Bit 6—Open Bits[5:4]—Link Test Generation Input Selection Bit 3—Open Bits[2:0]—Link Test Generation Mode JESD204A Link Control Register 4 (Register 0x63) Bits[7:0]—Initial Lane Alignment Sequence Repeat Count JESD204A Device Identification Number (DID) (Register 0x64) Bits[7:0]—Serial Device Identification (DID) Number JESD204A Bank Identification Number (BID) (Register 0x65) Bits[7:4]—Open Bits[3:0]—Serial Bank Identification (DID) Number JESD204A Lane Identification Number (LID) for Lane 0 (Register 0x66) Bits[7:5]—Open Bits[4:0]—Serial Lane Identification (LID) Number for Lane 0. JESD204A Lane Identification Number (LID) for Lane 1 (Register 0x67) Bits[7:5]—Open Bits[4:0]—Serial Lane Identification (LID) Number for Lane 1. JESD204A Scrambler (SCR) and Lane Configuration Registers (Register 0x6E) Bit 7—Enable Serial Scrambler Mode Bits[6:1]—Open Bit[0]—Serial Lane Control. JESD204A Number of Octets Per Frame (F) (Register 0x6F—Read Only) Bits[7:0]—Number of Octets per Frame (F) JESD204A Number of Frames Per Multiframe (Register 0x70) Bits[7:5]—Reserved Bits[4:0]—Number of Frames per Multiframe (K). JESD204A Number of Converters Per Link (M) (Register 0x71) Bits[7:1]—Reserved Bit 0—Number of Converters per Link per Device (M). JESD204A ADC Resolution (N) and Control Bits Per Sample (CS) (Register 0x72) Bits[7:6]—Number of Control Bits per Sample (CS) Bit 5—Open Bits[4:0]—Converter Resolution (N) JESD204A Total Bits Per Sample (N’) (Register 0x73) Bits[7:5]—Open Bits[4:0]—Total Number of Bits per Sample (N’) JESD204A Samples Per Converter (S) Frame Cycle (Register 0x74) Bits[7:5]—Open Bits[4:0]—Samples per Converter Frame Cycle (S) JESD204A HD and CF Configuration (Register 0x75) Bit 7—Enable High Density Format (Read Only) Bits[6:5]—Reserved Bits[4:0]—Number of Control Words per Frame Clock Cycle per Link (CF) JESD204A Serial Reserved Field 1 (Register 0x76) Bits[7:0]—Serial Reserved Field 1 (RES1) JESD204A Serial Reserved Field 2 (Register 0x77) Bits[7:0]—Serial Reserved Field 2 (RES2) JESD204A Serial Checksum Value for Lane 0 (Register 0x78) Bits[7:0]—Serial Checksum Value for Lane 0 JESD204A Serial Checksum Value for Lane 1 (Register 0x79) Bits[7:0]—Serial Checksum Value for Lane 1 Applications Information Design Guidelines Power and Ground Recommendations Exposed Paddle Thermal Heat Slug Recommendations VCMA and VCMB SPI Port Outline Dimensions Ordering Guide
