AD5253BRU100 Analog Devices Inc, AD5253BRU100 Datasheet - Page 2

• Manufacturer Part Number: AD5253BRU100
• Description: IC,Digital Potentiometer,TSSOP,20PIN,PLASTIC
• Manufacturer: Analog Devices Inc

Specifications of AD5253BRU100

• Taps: 64
• Resistance (ohms): 100K
• Number Of Circuits: 4
• Temperature Coefficient: 650 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V, ±2.25 V ~ 2.75 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Resistance In Ohms: 100K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD5253/AD5254
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Electrical Characteristics ................................................................. 3
Absolute Maximum Ratings ............................................................ 8
Pin Configuration and Function Descriptions ............................. 9
Typical Performance Characteristics ........................................... 10
I
REVISION HISTORY
10/09—Rev. A to Rev. B
Change to Figure 27 ....................................................................... 15
9/05—Rev. 0 to Rev. A
Change to Figure 6 ......................................................................... 10
Change to EEMEM Write Protection Section ............................ 18
Changes to Figure 37 ...................................................................... 22
Deleted Table 13 and Table 14 ...................................................... 24
Change to Figure 43 ....................................................................... 25
Changes to Ordering Guide .......................................................... 29
5/03—Revision 0: Initial Version
2
C Interface ..................................................................................... 14
1 kΩ Version .................................................................................. 3
10 kΩ, 50 kΩ, 100 kΩ Versions .................................................. 5
Interface Timing Characteristics ................................................ 7
ESD Caution .................................................................................. 8
I
I
2
2
C Interface General Description ............................................ 14
C Interface Detail Description ............................................... 15
Rev. B | Page 2 of 32
Theory of Operation ...................................................................... 21
Applications Information .............................................................. 26
Outline Dimensions ....................................................................... 28
I
Linear Increment/Decrement Commands ............................. 21
±6 dB Adjustments (Doubling/Halving Wiper Setting) ....... 21
Digital Input/Output Configuration........................................ 22
Multiple Devices on One Bus ................................................... 22
Terminal Voltage Operation Range ......................................... 23
Power-Up and Power-Down Sequences .................................. 23
Layout and Power Supply Biasing ............................................ 23
Digital Potentiometer Operation ............................................. 24
Programmable Rheostat Operation ......................................... 24
Programmable Potentiometer Operation ............................... 25
RGB LED Backlight Controller for LCD Panels .................... 26
Ordering Guide .......................................................................... 29
2
C-Compatible 2-Wire Serial Bus ........................................... 20