AD6650BBC Analog Devices Inc, AD6650BBC Datasheet - Page 2

• Manufacturer Part Number: AD6650BBC
• Manufacturer: Analog Devices Inc

Specifications of AD6650BBC

• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (typ): 3.3V
• Lead Free Status / Rohs Status: Not Compliant

AD6650
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Product Description......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings.......................................................... 10
Pin Configuration and Function Descriptions........................... 11
Typical Performance Characteristics ........................................... 13
Terminology .................................................................................... 14
Equivalent Circuits ......................................................................... 15
Theory of Operation ...................................................................... 16
REVISION HISTORY
1/07—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to Specifications ................................................................ 3
Changes to Figure 18...................................................................... 13
Changes to Power Supplies Section.............................................. 27
Changes to Ordering Guide .......................................................... 44
3/06—Revision 0: Initial Version
Explanation of Test Levels ........................................................... 3
AC Specifications.......................................................................... 3
Digital Specifications ................................................................... 4
Electrical Characteristics............................................................. 5
General Timing Characteristics ................................................. 5
Microprocessor Port Timing Characteristics ........................... 6
Timing Diagrams.......................................................................... 7
Thermal Characteristics ............................................................ 10
ESD Caution................................................................................ 10
Analog Front End ....................................................................... 16
Digital Back End......................................................................... 16
DC Correction ............................................................................ 16
Fourth-Order Cascaded Integrator Comb Filter (CIC4) ...... 17
Infinite Impulse Response (IIR) Filter..................................... 18
RAM Coefficient Filter .............................................................. 18
Composite Filter ......................................................................... 19
Fine DC Correction ................................................................... 20
Peak Detector DC Correction Ranging................................... 20
User-Configurable Built-In Self-Test (BIST) .......................... 21
Rev. A | Page 2 of 44
Application Information................................................................ 26
Microport Control.......................................................................... 30
Register Map ................................................................................... 33
Outline Dimensions ....................................................................... 44
LO Synthesis................................................................................ 22
LDO.............................................................................................. 23
AGC Loop/Relinearization ....................................................... 23
Serial Output Data Port............................................................. 24
Required Settings and Start-up Sequence for DC Correction
....................................................................................................... 26
Clocking the AD6650 ................................................................ 26
Driving the Analog Inputs ........................................................ 27
External Reference ..................................................................... 27
Power Supplies ............................................................................ 27
Digital Outputs ........................................................................... 28
Grounding ................................................................................... 28
Layout Information.................................................................... 28
Chip Synchronization ................................................................ 29
External Memory Map .............................................................. 30
Access Control Register (ACR) ................................................ 30
Channel Address Register (CAR) ............................................ 30
Special Function Registers ........................................................ 30
Data Address Registers .............................................................. 31
Write Sequencing ....................................................................... 31
Read Sequencing ........................................................................ 31
Read/Write Chaining ................................................................. 31
Programming Modes ................................................................. 31
JTAG Boundary Scan................................................................. 32
Register Details ........................................................................... 39
Ordering Guide .......................................................................... 44