AD9627-125EBZ Analog Devices Inc, AD9627-125EBZ Datasheet - Page 2

• Manufacturer Part Number: AD9627-125EBZ
• Description: 12Bit 125 Msps Dual 1.8V PB Free ADC
• Manufacturer: Analog Devices Inc

Specifications of AD9627-125EBZ

• Number Of Adc's: 2
• Number Of Bits: 12
• Sampling Rate (per Second): 125M
• Data Interface: Serial
• Inputs Per Adc: 1 Differential
• Input Range: 2 Vpp
• Power (typ) @ Conditions: 900mW @ 125MSPS
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD9627
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD9627
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 3
General Description ......................................................................... 4
Specifications ..................................................................................... 5
Absolute Maximum Ratings .......................................................... 15
Pin Configurations and Function Descriptions ......................... 16
Equivalent Circuits ......................................................................... 20
Typical Performance Characteristics ........................................... 21
Theory of Operation ...................................................................... 26
ADC Overrange and Gain Control .............................................. 33
ADC DC Specifications—AD9627-80/AD9627-105 .................. 5
ADC DC Specifications—AD9627-125/AD9627-150 ................ 6
ADC AC Specifications—AD9627-80/AD9627-105 ................... 7
ADC AC Specifications—AD9627-125/AD9627-150 ................. 8
Digital Specifications ................................................................... 9
Switching Specifications—AD9627-80/AD9627-105 ................ 11
Switching Specifications—AD9627-125/AD9627-150 .............. 12
Timing Specifications ................................................................ 13
Thermal Characteristics ............................................................ 15
ESD Caution ................................................................................ 15
ADC Architecture ...................................................................... 26
Analog Input Considerations .................................................... 26
Voltage Reference ....................................................................... 28
Clock Input Considerations ...................................................... 29
Power Dissipation and Standby Mode ..................................... 31
Digital Outputs ........................................................................... 32
Timing .......................................................................................... 32
Fast Detect Overview ................................................................. 33
ADC Fast Magnitude ................................................................. 33
ADC Overrange (OR) ................................................................ 34
Gain Switching ............................................................................ 34
Rev. B | Page 2 of 76
Signal Monitor ................................................................................ 36
Built-In Self-Test (BIST) and Output Test .................................. 39
Channel/Chip Synchronization .................................................... 40
Serial Port Interface (SPI) .............................................................. 41
Memory Map .................................................................................. 43
Applications Information .............................................................. 50
Evaluation Board ............................................................................ 51
Outline Dimensions ....................................................................... 74
Peak Detector Mode................................................................... 36
RMS/MS Magnitude Mode ......................................................... 36
Threshold Crossing Mode ......................................................... 37
Additional Control Bits ............................................................. 37
DC Correction ............................................................................ 37
Signal Monitor SPORT Output ................................................ 38
Built-In Self-Test (BIST) ............................................................ 39
Output Test Modes ..................................................................... 39
Configuration Using the SPI ..................................................... 41
Hardware Interface ..................................................................... 41
Configuration Without the SPI ................................................ 42
SPI Accessible Features .............................................................. 42
Reading the Memory Map Register Table ............................... 43
Memory Map Register Table ..................................................... 44
Memory Map Register Descriptions ........................................ 47
Design Guidelines ...................................................................... 50
Power Supplies ............................................................................ 51
Input Signals................................................................................ 51
Output Signals ............................................................................ 51
Default Operation and Jumper Selection Settings ................. 52
Alternative Clock Configurations ............................................ 52
Alternative Analog Input Drive Configuration...................... 53
Schematics ................................................................................... 54
Evaluation Board Layouts ......................................................... 64
Bill of Materials ........................................................................... 72
Ordering Guide .......................................................................... 74