Datasheet AD5228 (Analog Devices) - 10

AD5228 Data Sheet 0 STEP = MIDSCALE, VA = VDD, VB = 0V PU 1 –20 VDD = 5V DC

10% p-p AC V RR (dB) W S P VDD = 3V DC

10% p-p AC –40 VDD = 5V VA = 5V VB = 0V 2
04422-0-029
–60
04422-0-026
CH1 5.00V CH2 200mV M2.00ms A CH1 2.80V 100 1k 10k 100k 1M T 800.000ms FREQUENCY (Hz)
Figure 28. Autoscan Increment Figure 25. PSRR
1.2

: 8.32ms

: 4.00mV VA = OPEN @: 8.24ms @: 378mV TA = 25 C 1.0 PU 1 R (mA) AB = 10k X 0.8 A M _ WB 0.6 R V AB = 50k W TICAL I RE 0.4 O VDD = 5V VA = 5V THE VB = 0V 0.2 RAB = 100k 2 0
04422-0-030 04422-0-027
0 4 8 12 16 20 24 28 32 CH1 5.00V CH2 100mV M2.00ms A CH1 3.00V CODE (Decimal) T 3.92000ms
Figure 29. Maximum IWB vs. Code Figure 26. Basic Increment
PU 1 VW VDD = 5V VA = 5V 2 VB = 0V
04422-0-028
CH1 5.00V CH2 100mV M2.00ms A CH1 2.60V T 59.8000ms
Figure 27. Repetitive Increment Rev. B | Page 10 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