AD5228BUJZ50-R2 Analog Devices Inc, AD5228BUJZ50-R2 Datasheet - Page 2

• Manufacturer Part Number: AD5228BUJZ50-R2
• Description: IC DGTL POT 50K UP/DN TSOT23-8
• Manufacturer: Analog Devices Inc

Specifications of AD5228BUJZ50-R2

• Package / Case: TSOT-23-8, TSOT-8
• Mounting Type: Surface Mount
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Temperature Coefficient: 35 ppm/°C Typical
• Interface: Up/Down Counter
• Resistance In Ohms: 50K
• Number Of Circuits: 1
• Memory Type: Volatile
• Taps: 32
• End To End Resistance: 50kohm
• Track Taper: Linear
• No. Of Steps: 32
• Resistance Tolerance: ± 20%
• Supply Voltage Range: 2.7V To 5.5V
• Control Interface: Pushbutton
• No. Of Pots: Single
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD5228
TABLE OF CONTENTS
Electrical Characteristics ................................................................. 3
Absolute Maximum Ratings ............................................................ 5
Pin Configuration and Function Descriptions ............................. 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ...................................................................... 11
REVISION HISTORY
4/09—Rev. 0 to Rev. A
Changes to Table 2………………………………………………3
4/04—Revision 0: Initial Version
Interface Timing Diagrams ......................................................... 4
ESD Caution .................................................................................. 5
Programming the Digital Potentiometers ............................... 12
Controlling Inputs ...................................................................... 13
Terminal Voltage Operation Range ......................................... 13
Rev. A | Page 2 of 20
Applications ..................................................................................... 15
Outline Dimensions ....................................................................... 18
Power-Up and Power-Down Sequences .................................. 14
Layout and Power Supply Biasing ............................................ 14
Manual Adjustable LED Driver ................................................ 15
Adjustable Current Source for LED Driver ............................ 15
Automatic LCD Panel Backlight Control ................................ 16
Audio Amplifier with Volume Control ................................... 16
Constant Bias with Supply to Retain Resistance Setting ...... 17
Ordering Guide .......................................................................... 18