AD7825 Analog Devices, AD7825 Datasheet - Page 2
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AD7825
Manufacturer Part Number
AD7825
Description
3 V/5 V, 2 MSPS, 8-Bit, 1-/4-/8-Channel Sampling ADCs
Manufacturer
Analog Devices
Datasheet
1.AD7822.pdf
(28 pages)
Specifications of AD7825
Resolution (bits)
8bit
# Chan
4
Sample Rate
2MSPS
Interface
Par
Analog Input Type
SE-Uni
Ain Range
2 V p-p,2.5V p-p
Adc Architecture
Pipelined
Pkg Type
DIP,SOIC,SOP
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD7825BRUZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD7825BRZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
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