AD5272BRMZ-20 Analog Devices Inc, AD5272BRMZ-20 Datasheet - Page 2

• Manufacturer Part Number: AD5272BRMZ-20
• Description: IC DGTL POT 20K 1024POS 10MSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5272BRMZ-20

• Design Resources: Compact, Low Cost, 5 V, Variable Gain, Noninverting Amplifier Using AD5270/2 and AD8615 (CN0161) Compact, Low Cost, 5 V, Variable Gain, Inverting Amplifier Using AD5270/2 and AD8615(CN0168)
• Taps: 1024
• Resistance (ohms): 20K
• Number Of Circuits: 1
• Temperature Coefficient: 5ppm/°C
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V, ±2.5 V ~ 2.75 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Resistance In Ohms: *
• End To End Resistance: 20kohm
• Track Taper: Linear
• Resistance Tolerance: ± 1%
• No. Of Steps: 1024
• Supply Voltage Range: 2.7V To 5.5V
• Control Interface: I2C, Serial
• No. Of Pots: Single
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD5272/AD5274
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 9
Pin Configuration and Function Descriptions........................... 10
Typical Performance Characteristics ........................................... 11
Test Circuits..................................................................................... 17
Theory of Operation ...................................................................... 18
REVISION HISTORY
11/10—Rev. B to Rev. C
Changes to Figure 24...................................................................... 14
5/10—Rev. A to Rev. B
Added LFCSP Package.................................................. Throughout
Changed OTP to 50-TP ................................................ Throughout
Changes to Features Section and Applications Section............... 1
Added Endnote 1 .............................................................................. 1
Changes to Table 1............................................................................ 3
Added Table 3.................................................................................... 4
Changes to Table 4............................................................................ 5
Added Table 6.................................................................................... 6
Changes to Table 8 and Table 9....................................................... 9
Added Figure 5................................................................................ 10
Added Exposed Pad Note to Table 10.......................................... 10
Changes to Typical Performance Characteristics....................... 11
Changes to Resistor Performance Mode Section ....................... 23
Updated Outline Dimensions ....................................................... 25
Changes to Ordering Guide .......................................................... 26
3/10—Rev. 0 to Rev. A
Changes to Product Title and General Description Section....... 1
Changes to Theory of Operation Section.................................... 15
10/09—Revision 0: Initial Version
Electrical Characteristics—AD5272 .......................................... 3
Electrical Characteristics—AD5274 .......................................... 5
Interface Timing Specifications.................................................. 7
Thermal Resistance ...................................................................... 9
ESD Caution.................................................................................. 9
Serial Data Interface................................................................... 18
Rev. C | Page 2 of 28
Outline Dimensions ....................................................................... 25
Shift Register ............................................................................... 18
Write Operation.......................................................................... 19
Read Operation........................................................................... 20
RDAC Register............................................................................ 21
50-TP Memory Block ................................................................ 21
Write Protection ......................................................................... 21
50-TP Memory Write-Acknowledge Polling.......................... 23
Reset ............................................................................................. 23
Resistor Performance Mode...................................................... 23
Shutdown Mode ......................................................................... 23
RDAC Architecture.................................................................... 23
Programming the Variable Resistor......................................... 23
EXT_CAP Capacitor.................................................................. 24
Terminal Voltage Operating Range ......................................... 24
Power-Up Sequence ................................................................... 24
Ordering Guide .......................................................................... 26