ad5171 Analog Devices, Inc., ad5171 Datasheet - Page 2

• Manufacturer Part Number: ad5171
• Description: 64-position Otp Digital Potentiometer
• Manufacturer: Analog Devices, Inc.

AD5171
TABLE OF CONTENTS
Electrical Characteristics ................................................................. 3
Absolute Maximum Ratings............................................................ 6
Pin Configuration and Function Descriptions............................. 7
Typical Performance Characteristics ............................................. 8
Theory of Operation ...................................................................... 12
Controlling the AD5171 ................................................................ 16
REVISION HISTORY
1/05—Rev. A to Rev. B
Change to Features ........................................................................... 1
Changes to Electrical Characteristics ............................................ 3
Change to Table 3 ............................................................................. 6
Changes to Power Supply Considerations Section..................... 13
Changes to Level Shifting for Different Voltage Operation
Added Note to Ordering Guide.................................................... 22
11/04—Rev. 0 to Rev. A
Changes to Specifications ................................................................ 3
Changes to Table 3............................................................................ 7
Changes to One-Time Programming Section ............................ 11
Changes to Power Supply Consideration Section ...................... 11
Changes to Figure 26 and Figure 27............................................. 12
1/04—Revision 0: Initial Version
ESD Caution.................................................................................. 6
One-Time Programming (OTP) .............................................. 12
Power Supply Considerations ................................................... 12
ESD Protection ........................................................................... 13
Terminal Voltage Operating Range.......................................... 13
Power-Up/Power-Down Sequences ......................................... 14
Variable Resistance and Voltage for Rheostat Mode ............. 14
Variable Resistance and Voltage for Potentiometer Mode.... 15
Software Programming.............................................................. 16
Section....................................................................................... 19
Rev. B | Page 2 of 24
Applications..................................................................................... 19
Evaluation Board ............................................................................ 21
Outline Dimensions ....................................................................... 22
I
I
Controlling Two Devices on One Bus ..................................... 18
DAC.............................................................................................. 19
Gain Control Compensation .................................................... 19
Programmable Voltage Source with Boosted Output ........... 19
Level Shifting for Different Voltage Operation ...................... 19
Resistance Scaling ...................................................................... 19
Resolution Enhancement .......................................................... 20
RDAC Circuit Simulation Model............................................. 20
Ordering Guide .......................................................................... 22
2
2
C Controller Programming.................................................... 17
C-Compatible 2-Wire Serial Bus........................................... 18