AD5227 查看數據表（PDF） - Analog Devices
零件编号
产品描述 (功能)
生产厂家
AD5227 Datasheet PDF : 16 Pages
| |||
AD5227
TABLE OF CONTENTS
Electrical Characteristics ................................................................. 3
Interface Timing Diagrams ......................................................... 4
Absolute Maximum Ratings............................................................ 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ...................................................................... 10
Programming the Digital Potentiometers............................... 10
Digital Interface .......................................................................... 11
Terminal Voltage Operation Range ......................................... 11
Power-Up and Power-Down Sequences.................................. 11
Layout and Power Supply Biasing ............................................ 11
REVISION HISTORY
5/09—Rev. A to Rev. B
Changes to Table 2……………………………………………3
4/09—Rev. 0 to Rev. A
Changes to Table 2……………………………………………3
Changes to Ordering Guide …………………………………15
3/04—Revision 0: Initial Version
Applications..................................................................................... 12
Manual Control with Toggle and Pushbutton Switches........ 12
Manual Control with Rotary Encoder..................................... 12
Adjustable LED Driver .............................................................. 12
Adjustable Current Source for LED Driver ............................ 12
Adjustable High Power LED Driver ........................................ 13
Automatic LCD Panel Backlight Control................................ 13
6-Bit Controller .......................................................................... 13
Constant Bias with Supply to Retain Resistance Setting....... 14
Outline Dimensions ....................................................................... 15
Ordering Guide .......................................................................... 15
Rev. B | Page 2 of 16
Share Link: 