AD5243BRMZ2.5-RL7 Analog Devices Inc, AD5243BRMZ2.5-RL7 Datasheet - Page 2

• Manufacturer Part Number: AD5243BRMZ2.5-RL7
• Description: Dual 8-Bit I2C Digi POT
• Manufacturer: Analog Devices Inc

Specifications of AD5243BRMZ2.5-RL7

• Taps: 256
• Resistance (ohms): 2.5K
• Number Of Circuits: 2
• Temperature Coefficient: 35 ppm/°C Typical
• Memory Type: Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Resistance In Ohms: 2.5K
• Number Of Elements: 2
• # Of Taps: 256
• Resistance (max): 2.5KOhm
• Power Supply Requirement: Single
• Interface Type: Serial (2-Wire/I2C)
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 10
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD5243EVAL - BOARD EVAL FOR AD5243
• Lead Free Status / Rohs Status: Compliant

AD5243/AD5248
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagrams ............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ............................................. 8
Test Circuits ..................................................................................... 12
REVISION HISTORY
4/09—Rev. 0 to Rev. A
Changes to DC Characteristics—Rheostat Mode Parameter and
to DC Characteristics—Potentiometer Divider Mode Parameter,
Table 1 ................................................................................................ 3
Moved Figure 3 ................................................................................. 5
Updated Outline Dimensions ....................................................... 19
Changes to Ordering Guide .......................................................... 19
1/04—Revision 0: Initial Version
Electrical Characteristics: 2.5 kΩ Version ................................. 3
Electrical Characteristics: 10 kΩ, 50 kΩ, and 100 kΩ Versions ... 4
Timing Characteristics: All Versions ......................................... 5
ESD Caution .................................................................................. 6
Rev. A | Page 2 of 20
Theory of Operation ...................................................................... 13
I
Outline Dimensions ....................................................................... 19
2
C Interface .................................................................................... 16
Programming the Variable Resistor and Voltage ................... 13
Programming the Potentiometer Divider ............................... 14
ESD Protection ........................................................................... 14
Terminal Voltage Operating Range ......................................... 14
Power-Up Sequence ................................................................... 14
Layout and Power Supply Bypassing ....................................... 14
Constant Bias to Retain Resistance Setting ............................. 15
Evaluation Board ........................................................................ 15
I
I
Ordering Guide .......................................................................... 19
2
2
C Compatible, 2-Wire Serial Bus .......................................... 16
C Controller Programming .................................................... 18