AD5254BRUZ50 Analog Devices Inc, AD5254BRUZ50 Datasheet - Page 2

• Manufacturer Part Number: AD5254BRUZ50
• Description: IC POT DGTL QUAD 50K 20TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5254BRUZ50

• Memory Type: Non-Volatile
• Temperature Coefficient: 650 ppm/°C Typical
• Taps: 256
• Resistance (ohms): 50K
• Number Of Circuits: 4
• 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: 50K
• End To End Resistance: 50kohm
• Track Taper: Linear
• Resistance Tolerance: ± 30%
• No. Of Steps: 256
• No. Of Pots: Quad
• Potentiometer Ic Case: RoHS Compliant
• Supply Voltage Range: ± 2.25V To ± 2.75V
• Control Interface: I2C, Serial
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD5254EVAL - BOARD EVAL FOR AD5254
• Lead Free Status / RoHS Status: Lead free / RoHS 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