AD7822BRU Analog Devices Inc, AD7822BRU Datasheet - Page 2

• Manufacturer Part Number: AD7822BRU
• Description: IC ADC 8BIT 1CH 2MSPS 20TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7822BRU

• Rohs Status: RoHS non-compliant
• Number Of Bits: 8
• Sampling Rate (per Second): 2M
• Data Interface: Parallel
• Number Of Converters: 1
• Power Dissipation (max): 36mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP (0.173", 4.40mm Width)

AD7822/AD7825/AD7829
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 6
Pin Configurations and Function Descriptions ........................... 7
Terminology ...................................................................................... 8
Circuit Information ........................................................................ 10
REVISION HISTORY
8/06—Rev. B to Rev. C
Changes to General Description .................................................... 1
Changes to Table 1............................................................................ 3
Changes to Typical Connection Diagram Section ..................... 10
Updated Outline Dimensions ....................................................... 20
Changes to Ordering Guide .......................................................... 25
10/01—Rev. A to Rev. B
Changes to Power Requirements.................................................... 3
Changes to Pin Function Description ........................................... 5
Changes to Circuit Description ...................................................... 7
Product Highlights ....................................................................... 1
Timing Characteristics ................................................................ 5
Timing Diagram ........................................................................... 5
ESD Caution.................................................................................. 6
Circuit Description..................................................................... 10
Rev. C | Page 2 of 28
Microprocessor Interfacing........................................................... 18
Outline Dimensions ....................................................................... 20
Changes to Typical Connection Diagram Section........................7
Changes to Analog Input Section....................................................8
Changes to Analog Input Selection Section...................................9
Changes to Power-Up Times Section .......................................... 10
Changes to Power vs. Throughput Section ................................. 11
Added AD7822 Stand-Alone Operation section ....................... 15
12/99—Rev. 0 to Rev. A
Typical Connection Diagram ................................................... 10
ADC Transfer Function............................................................. 11
Analog Input ............................................................................... 11
Power-Up Times......................................................................... 14
Power vs. Throughput................................................................ 15
Operating Modes........................................................................ 15
Parallel Interface......................................................................... 17
AD7822/AD7825/AD7829 to 8051 ......................................... 18
AD7822/AD7825/AD7829 to PIC16C6x/PIC16C7x................ 18
AD7822/AD7825/AD7829 to ADSP-21xx ............................. 18
Interfacing Multiplexer Address Inputs .................................. 18
AD7822 Standalone Operation ................................................ 19
Ordering Guide .......................................................................... 25