AD9231BCPZ-20 Analog Devices Inc, AD9231BCPZ-20 Datasheet - Page 2

• Manufacturer Part Number: AD9231BCPZ-20
• Description: 12 Bit, 20 MSPS Dual Low Power ADC
• Manufacturer: Analog Devices Inc

Specifications of AD9231BCPZ-20

• Number Of Bits: 12
• Sampling Rate (per Second): 20M
• Data Interface: Serial, SPI™
• Number Of Converters: 2
• Power Dissipation (max): 73.3mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LFCSP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD9231
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
General Description ......................................................................... 3
Specifications..................................................................................... 4
Absolute Maximum Ratings............................................................ 9
Pin Configuration and Function Descriptions........................... 10
Typical Performance Characteristics ........................................... 12
Equivalent Circuits ......................................................................... 17
Theory of Operation ...................................................................... 19
REVISION HISTORY
6/10—Rev. 0 to Rev. A
Changes to Features Section............................................................ 1
10/09—Revision 0: Initial Version
DC Specifications ......................................................................... 4
AC Specifications.......................................................................... 5
Digital Specifications ................................................................... 6
Switching Specifications .............................................................. 7
Timing Specifications .................................................................. 8
Thermal Characteristics .............................................................. 9
ESD Caution.................................................................................. 9
AD9231-80 .................................................................................. 12
AD9231-65 .................................................................................. 14
AD9231-40 .................................................................................. 15
AD9231-20 .................................................................................. 16
ADC Architecture ...................................................................... 19
Analog Input Considerations.................................................... 19
Rev. A | Page 2 of 36
Built-In Self-Test (BIST) and Output Test .................................. 27
Serial Port Interface (SPI).............................................................. 28
Memory Map .................................................................................. 30
Applications Information .............................................................. 34
Outline Dimensions ....................................................................... 35
Voltage Reference ....................................................................... 22
Clock Input Considerations...................................................... 23
Channel/Chip Synchronization................................................ 25
Power Dissipation and Standby Mode .................................... 25
Digital Outputs ........................................................................... 26
Timing ......................................................................................... 26
Built-In Self-Test (BIST)............................................................ 27
Output Test Modes..................................................................... 27
Configuration Using the SPI..................................................... 28
Hardware Interface..................................................................... 29
Configuration Without the SPI ................................................ 29
SPI Accessible Features.............................................................. 29
Reading the Memory Map Register Table............................... 30
Open Locations .......................................................................... 30
Default Values ............................................................................. 30
Memory Map Register Table..................................................... 31
Memory Map Register Descriptions........................................ 33
Design Guidelines ...................................................................... 34
Ordering Guide .......................................................................... 35