Datasheet AD5227 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 64-Position Up/Down Control Digital Potentiometer |
| 页数 / 页 | 16 / 7 — AD5227. TYPICAL PERFORMANCE CHARACTERISTICS. 0.25. –40. 0.20. +25. +85. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 387 Kb |
| 文件语言 | 英语 |
AD5227. TYPICAL PERFORMANCE CHARACTERISTICS. 0.25. –40. 0.20. +25. +85. +105. 0.15. VDD = 5.5V. 0.10. L (. DNL (LS. 0.05. R MODE. M T. –0.05. –0.10
该数据表的模型线
文件文字版本
AD5227 TYPICAL PERFORMANCE CHARACTERISTICS 0.25 0.25 –40
°
C –40
°
C 0.20 +25
°
C 0.20 +25
°
C +85
°
C ) +85
°
C +105
°
C B +105
°
C 0.15 0.15 ) VDD = 5.5V VDD = 5.5V SB 0.10 L 0.10 L ( DNL (LS 0.05 IN 0.05 E OD 0 0 R MODE M T TE –0.05 –0.05 –0.10 –0.10 EOSTA H NTIOME R –0.15 TE –0.15 O P –0.20 –0.20 –0.25
04419-0-007
–0.25
04419-0-012
0 8 16 24 32 40 48 56 64 0 8 16 24 32 40 48 56 64 CODE (Decimal) CODE (Decimal)
Figure 6. R-INL vs. Code vs. Temperature, VDD = 5 V Figure 9. DNL vs. Code vs. Temperature, VDD = 5 V
0.25 0 –40
°
C 0.20 +25
°
C –0.1 +85
°
C +105
°
C 0.15 ) –0.2 B VDD = 5.5V 0.10 –0.3 0.05 DNL (LS ) –0.4 SB V 0 L DD = 5.5V –0.5 –0.05 FSE ( TAT MODE –0.6 OS –0.10 VDD = 2.7V RHE –0.7 –0.15 –0.20 –0.8 –0.25
04419-0-008
–0.9
04419-0-013
0 8 16 24 32 40 48 56 64 –40 –20 0 20 40 60 80 100 CODE (Decimal) TEMPERATURE (
°
C)
Figure 7. R-DNL vs. Code vs. Temperature, VDD = 5 V Figure 10. Full-Scale Error vs. Temperature
0.25 1.0 –40
°
C 0.20 +25
°
C 0.9 +85
°
C ) B +105
°
C 0.15 0.8 VDD = 5.5V VDD = 2.7V 0.10 0.7 INL (LS 0.05 ) 0.6 SB 0 L R MODE 0.5 TE VDD = 5.5V –0.05 ZSE ( 0.4 –0.10 0.3 NTIOME TE –0.15 O 0.2 P –0.20 0.1 –0.25
04419-0-010
0
04419-0-014
0 8 16 24 32 40 48 56 64 –40 –20 0 20 40 60 80 100 CODE (Decimal) TEMPERATURE (
°
C)
Figure 8. INL vs. Code, VDD = 5 V Figure 11. Zero-Scale Error vs. Temperature Rev. B | Page 7 of 16 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM 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 DIGITAL INTERFACE TERMINAL VOLTAGE OPERATION RANGE POWER-UP AND POWER-DOWN SEQUENCES LAYOUT AND POWER SUPPLY BIASING APPLICATIONS MANUAL CONTROL WITH TOGGLE AND PUSHBUTTON SWITCHES MANUAL CONTROL WITH ROTARY ENCODER ADJUSTABLE LED DRIVER ADJUSTABLE CURRENT SOURCE FOR LED DRIVER ADJUSTABLE HIGH POWER LED DRIVER AUTOMATIC LCD PANEL BACKLIGHT CONTROL 6-BIT CONTROLLER CONSTANT BIAS WITH SUPPLY TO RETAIN RESISTANCE SETTING OUTLINE DIMENSIONS ORDERING GUIDE
°
C –40
°
C 0.20 +25
°
C 0.20 +25
°
C +85
°
C ) +85
°
C +105
°
C B +105
°
C 0.15 0.15 ) VDD = 5.5V VDD = 5.5V SB 0.10 L 0.10 L ( DNL (LS 0.05 IN 0.05 E OD 0 0 R MODE M T TE –0.05 –0.05 –0.10 –0.10 EOSTA H NTIOME R –0.15 TE –0.15 O P –0.20 –0.20 –0.25
04419-0-007
–0.25
04419-0-012
0 8 16 24 32 40 48 56 64 0 8 16 24 32 40 48 56 64 CODE (Decimal) CODE (Decimal)
Figure 6. R-INL vs. Code vs. Temperature, VDD = 5 V Figure 9. DNL vs. Code vs. Temperature, VDD = 5 V
0.25 0 –40
°
C 0.20 +25
°
C –0.1 +85
°
C +105
°
C 0.15 ) –0.2 B VDD = 5.5V 0.10 –0.3 0.05 DNL (LS ) –0.4 SB V 0 L DD = 5.5V –0.5 –0.05 FSE ( TAT MODE –0.6 OS –0.10 VDD = 2.7V RHE –0.7 –0.15 –0.20 –0.8 –0.25
04419-0-008
–0.9
04419-0-013
0 8 16 24 32 40 48 56 64 –40 –20 0 20 40 60 80 100 CODE (Decimal) TEMPERATURE (
°
C)
Figure 7. R-DNL vs. Code vs. Temperature, VDD = 5 V Figure 10. Full-Scale Error vs. Temperature
0.25 1.0 –40
°
C 0.20 +25
°
C 0.9 +85
°
C ) B +105
°
C 0.15 0.8 VDD = 5.5V VDD = 2.7V 0.10 0.7 INL (LS 0.05 ) 0.6 SB 0 L R MODE 0.5 TE VDD = 5.5V –0.05 ZSE ( 0.4 –0.10 0.3 NTIOME TE –0.15 O 0.2 P –0.20 0.1 –0.25
04419-0-010
0
04419-0-014
0 8 16 24 32 40 48 56 64 –40 –20 0 20 40 60 80 100 CODE (Decimal) TEMPERATURE (
°
C)
Figure 8. INL vs. Code, VDD = 5 V Figure 11. Zero-Scale Error vs. Temperature Rev. B | Page 7 of 16 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM 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 DIGITAL INTERFACE TERMINAL VOLTAGE OPERATION RANGE POWER-UP AND POWER-DOWN SEQUENCES LAYOUT AND POWER SUPPLY BIASING APPLICATIONS MANUAL CONTROL WITH TOGGLE AND PUSHBUTTON SWITCHES MANUAL CONTROL WITH ROTARY ENCODER ADJUSTABLE LED DRIVER ADJUSTABLE CURRENT SOURCE FOR LED DRIVER ADJUSTABLE HIGH POWER LED DRIVER AUTOMATIC LCD PANEL BACKLIGHT CONTROL 6-BIT CONTROLLER CONSTANT BIAS WITH SUPPLY TO RETAIN RESISTANCE SETTING OUTLINE DIMENSIONS ORDERING GUIDE