Datasheet AD5228 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 32-Position Manual Up/Down Control Potentiometer |
| 页数 / 页 | 18 / 2 — AD5228. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 6/15—Rev. A to … |
| 修订版 | B |
| 文件格式/大小 | PDF / 385 Kb |
| 文件语言 | 英语 |
AD5228. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 6/15—Rev. A to Rev. B. 4/09—Rev. 0 to Rev. A
该数据表的模型线
文件文字版本
link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 4 link to page 5 link to page 5 link to page 6 link to page 7 link to page 11 link to page 12 link to page 13 link to page 13 link to page 14 link to page 14 link to page 15 link to page 15 link to page 15 link to page 15 link to page 16 link to page 16 link to page 17 link to page 18 link to page 18
AD5228 Data Sheet TABLE OF CONTENTS
Features .. 1 Terminal Voltage Operation Range ... 13 Applications ... 1 Power-Up and Power-Down Sequences .. 14 General Description ... 1 Layout and Power Supply Biasing .. 14 Revision History ... 2 Applications ... 15 Electrical Characteristics ... 3 Manual Adjustable LED Driver .. 15 Interface Timing Diagrams ... 4 Adjustable Current Source for LED Driver .. 15 Absolute Maximum Ratings .. 5 Adjustable High Power LED Driver .. 15 ESD Caution .. 5 Automatic LCD Panel Backlight Control .. 16 Pin Configuration and Function Descriptions ... 6 Audio Amplifier with Volume Control ... 16 Typical Performance Characteristics ... 7 Constant Bias with Supply to Retain Resistance Setting .. 17 Theory of Operation .. 11 Outline Dimensions ... 18 Programming the Digital Potentiometers ... 12 Ordering Guide .. 18 Controlling Inputs .. 13
REVISION HISTORY 6/15—Rev. A to Rev. B
Changes to Features Section and General Description Section .. 1 Changes to Ordering Guide ... 18
4/09—Rev. 0 to Rev. A
Changes to Table 2………………………………………………3
4/04—Revision 0: Initial Version
Rev. B | Page 2 of 18 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY ELECTRICAL CHARACTERISTICS INTERFACE TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION PROGRAMMING THE DIGITAL POTENTIOMETERS Rheostat Operation Potentiometer Mode Operation CONTROLLING INPUTS TERMINAL VOLTAGE OPERATION RANGE POWER-UP AND POWER-DOWN SEQUENCES LAYOUT AND POWER SUPPLY BIASING APPLICATIONS MANUAL ADJUSTABLE LED DRIVER ADJUSTABLE CURRENT SOURCE FOR LED DRIVER ADJUSTABLE HIGH POWER LED DRIVER AUTOMATIC LCD PANEL BACKLIGHT CONTROL AUDIO AMPLIFIER WITH VOLUME CONTROL CONSTANT BIAS WITH SUPPLY TO RETAIN RESISTANCE SETTING OUTLINE DIMENSIONS ORDERING GUIDE
AD5228 Data Sheet TABLE OF CONTENTS
Features .. 1 Terminal Voltage Operation Range ... 13 Applications ... 1 Power-Up and Power-Down Sequences .. 14 General Description ... 1 Layout and Power Supply Biasing .. 14 Revision History ... 2 Applications ... 15 Electrical Characteristics ... 3 Manual Adjustable LED Driver .. 15 Interface Timing Diagrams ... 4 Adjustable Current Source for LED Driver .. 15 Absolute Maximum Ratings .. 5 Adjustable High Power LED Driver .. 15 ESD Caution .. 5 Automatic LCD Panel Backlight Control .. 16 Pin Configuration and Function Descriptions ... 6 Audio Amplifier with Volume Control ... 16 Typical Performance Characteristics ... 7 Constant Bias with Supply to Retain Resistance Setting .. 17 Theory of Operation .. 11 Outline Dimensions ... 18 Programming the Digital Potentiometers ... 12 Ordering Guide .. 18 Controlling Inputs .. 13
REVISION HISTORY 6/15—Rev. A to Rev. B
Changes to Features Section and General Description Section .. 1 Changes to Ordering Guide ... 18
4/09—Rev. 0 to Rev. A
Changes to Table 2………………………………………………3
4/04—Revision 0: Initial Version
Rev. B | Page 2 of 18 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY ELECTRICAL CHARACTERISTICS INTERFACE TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION PROGRAMMING THE DIGITAL POTENTIOMETERS Rheostat Operation Potentiometer Mode Operation CONTROLLING INPUTS TERMINAL VOLTAGE OPERATION RANGE POWER-UP AND POWER-DOWN SEQUENCES LAYOUT AND POWER SUPPLY BIASING APPLICATIONS MANUAL ADJUSTABLE LED DRIVER ADJUSTABLE CURRENT SOURCE FOR LED DRIVER ADJUSTABLE HIGH POWER LED DRIVER AUTOMATIC LCD PANEL BACKLIGHT CONTROL AUDIO AMPLIFIER WITH VOLUME CONTROL CONSTANT BIAS WITH SUPPLY TO RETAIN RESISTANCE SETTING OUTLINE DIMENSIONS ORDERING GUIDE