AD7922ARMZ Analog Devices Inc, AD7922ARMZ Datasheet - Page 2

• Manufacturer Part Number: AD7922ARMZ
• Description: IC ADC 12BIT 1MSPS DUAL 8-MSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7922ARMZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Operating Temperature: -40°C ~ 85°C
• Number Of Bits: 12
• Sampling Rate (per Second): 1M
• Number Of Converters: 1
• Power Dissipation (max): 20mW
• Voltage Supply Source: Single Supply
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Resolution (bits): 12bit
• Input Channel Type: Single Ended
• Supply Voltage Range - Analogue: 2.35V To 5.25V
• Supply Current: 4mA
• No. Of Pins: 8
• Sampling Rate: 1MSPS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7922CBZ - BOARD EVAL FOR AD7922
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7912/AD7922
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 9
Pin Configurations and Function Descriptions ......................... 10
Terminology .................................................................................... 11
Typical Performance Characteristics ........................................... 13
Circuit Information ........................................................................ 15
REVISION HISTORY
Revision 0: Initial Version
AD7912 Specifications................................................................. 3
AD7922 Specifications................................................................. 5
Timing Specifications .................................................................. 7
Timing Diagrams.......................................................................... 7
Timing Examples.......................................................................... 8
ESD Caution.................................................................................. 9
Converter Operation.................................................................. 15
ADC Transfer Function............................................................. 15
Typical Connection Diagram ................................................... 16
Analog Input ............................................................................... 16
Digital Inputs .............................................................................. 17
Rev. 0 | Page 2 of 32
Modes of Operation ....................................................................... 18
Power vs. Throughput Rate ........................................................... 24
Serial Interface ................................................................................ 25
Application Hints ........................................................................... 28
Evaluating AD7912/AD7922 Performance................................. 29
Outline Dimensions ....................................................................... 30
DIN Input.................................................................................... 17
DOUT Output ............................................................................ 17
Normal Mode.............................................................................. 18
Power-Down Mode.................................................................... 18
Power-Up Time .......................................................................... 20
Daisy-Chain Mode ..................................................................... 20
Daisy-Chain Example ................................................................ 22
Microprocessor Interfacing....................................................... 26
Grounding and Layout .............................................................. 28
Ordering Guide .......................................................................... 30