EVAL-AD7920CB Analog Devices Inc, EVAL-AD7920CB Datasheet - Page 2

• Manufacturer Part Number: EVAL-AD7920CB
• Description: BOARD EVAL FOR AD7920
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD7920CB

• Rohs Status: RoHS non-compliant
• Number Of Adc's: 1
• Number Of Bits: 12
• Sampling Rate (per Second): 250k
• Data Interface: Serial
• Inputs Per Adc: 1 Single Ended
• Input Range: 0 ~ Vdd
• Power (typ) @ Conditions: 12.5mW @ 250kSPS, 5 V
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD7920
• Lead Free Status / RoHS Status: Not Compliant

AD7910/AD7920
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Specifications..................................................................................... 3
Timing Examples .............................................................................. 7
Absolute Maximum Ratings............................................................ 8
Pin Configurations and Function Descriptions ........................... 9
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 12
Circuit Information ........................................................................ 13
Converter Operation...................................................................... 14
REVISION HISTORY
9/05—Rev. B to Rev. C
Updated Formatting ..........................................................Universal
Updated Outline Dimensions....................................................... 23
Changes to Ordering Guide.......................................................... 24
3/04—Rev. A to Rev. B
Added U.S. Patent Number ............................................................ 1
Changes to Note 5 ............................................................................ 2
Changes to Note 6 of AD7920 Specifications............................... 4
Changes to Note 1 of Timing Specifications ................................ 4
Changes to Absolute Maximum Ratings ...................................... 6
Changes to Ordering Guide............................................................ 6
AD7910 .......................................................................................... 3
AD7920 .......................................................................................... 4
Timing Specifications .................................................................. 6
Timing Example 1 ........................................................................ 7
Timing Example 2 ........................................................................ 7
ESD Caution.................................................................................. 8
Rev. C | Page 2 of 24
Modes of Operation ....................................................................... 16
Power vs. Throughput Rate........................................................... 18
Serial Interface ................................................................................ 19
Microprocessor Interfacing........................................................... 20
Application Hints ........................................................................... 22
Outline Dimensions ....................................................................... 23
8/03—Rev. 0 to Rev. A
Changes to Ordering Guide.............................................................6
Changes to Evaluating the AD7910/AD7920 Performance
Section.............................................................................................. 18
Updated Outline Dimensions ...................................................... 19
ADC Transfer Function............................................................. 14
Typical Connection Diagram ................................................... 14
Analog Input ............................................................................... 15
Digital Inputs .............................................................................. 15
Normal Mode.............................................................................. 16
Power-Down Mode .................................................................... 16
Power-Up Time .......................................................................... 16
AD7910/AD7920 to TMS320C541 Interface ......................... 20
AD7910/AD7920 to ADSP-218x.............................................. 20
AD7910/AD7920 to DSP563xx Interface ............................... 21
Grounding and Layout .............................................................. 22
Evaluating Performance ............................................................ 22
Ordering Guide .......................................................................... 24