Datasheet AD5228 (Analog Devices) - 8

AD5228 Data Sheet 0.10 0.50 TA = 25 C 0.08 0.45 ) B 0.06 0.40 0.04 0.35 VDD = 2.7V 5.5V DNL (LS 0.02 0.30 0 0.25 R MODE V TE DD = 5.5V –0.02 ZSE (LSB) 0.20 –0.04 0.15 NTIOME TE –0.06 0.10 O P 2.7V –0.08 0.05 –0.10
04422-0-014
0
04422-0-017
0 4 8 12 16 20 24 28 32 –40 –20 0 20 40 60 80 100 CODE (Decimal) TEMPERATURE ( C)
Figure 13. DNL vs. Code vs. Supply Voltages Figure 16. Zero-Scale Error vs. Temperature
0.10 1 –40 C VDD = 5.5V 0.08 +25 C IDD_ACT = 50

A TYP ) +85 C B +105 C 0.06

A) VDD = 5.5V 0.04 NT ( DNL (LS 0.02 CURRE 0 R MODE TE –0.02 ANDBY T S –0.04 Y NTIOME L P TE –0.06 P O U P S –0.08 –0.10
04422-0-015
0.1
04422-0-018
0 4 8 12 16 20 24 28 32 –40 –20 0 20 40 60 80 100 CODE (Decimal) TEMPERATURE ( C)
Figure 14. DNL vs. Code, VDD = 5 V Figure 17. Supply Current vs. Temperature
–0.50 120 VDD = 5.5V –0.55 RAB = 100k 100 ) –0.60 (k AB 80 R –0.65 ) SB VDD = 5.5V L –0.70 TANCE 60 IS R S AB = 50k FSE ( –0.75 40 VDD = 2.7V –0.80 NOMINAL RE 20 –0.85 RAB = 10k –0.90
04422-0-016
0
04422-0-019
–40 –20 0 20 40 60 80 100 –40 –20 0 20 40 60 80 100 TEMPERATURE ( C) TEMPERATURE ( C)
Figure 15. Full-Scale Error vs. Temperature Figure 18. Nominal Resistance vs. Temperature Rev. B | Page 8 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