AD5293BRUZ-20 Analog Devices Inc, AD5293BRUZ-20 Datasheet - Page 2

• Manufacturer Part Number: AD5293BRUZ-20
• Description: IC DGTL POT 1024POS 20K 14TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5293BRUZ-20

• Temperature Coefficient: 35 ppm/°C Typical
• Taps: 1024
• Resistance (ohms): 20K
• Number Of Circuits: 1
• Interface: SPI Serial
• Voltage - Supply: 9 V ~ 33 V, ±9 V ~ 16.5 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Resistance In Ohms: 20K
• End To End Resistance: 20kohm
• Track Taper: Linear
• No. Of Steps: 256
• Resistance Tolerance: ± 1%
• Control Interface: Serial, SPI
• No. Of Pots: Single
• Potentiometer Ic: RoHS Compliant
• Supply Voltage Range: ± 9V To ± 16.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Type: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AD5293BRUZ-20-U1; AD5293BRUZ-20-U1

AD5293
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
3/11—Rev. C to Rev. D
Changes to Table 1, Endnote 2 ................................................................4
Changes to Table 3, Endnote 2........................................................ 6
9/10—Rev. B to Rev. C
Added CPOL = 0, CPHA = 1 to Figure 3 and Figure 4 Captions.....8
Changes to SDO Pin and Daisy-Chain Operation Section....... 19
3/10—Rev. A to Rev. B
Changes to Resistor Noise Density Conditions (Table 3) ........... 6
12/09—Rev. 0 to Rev. A
Added 50 kΩ and 100 kΩ Specifications.........................Universal
Changes to Features Section............................................................ 1
Electrical Characteristics—20 kΩ Versions ...............................3
Resistor Performance Mode Code Range—20 kΩ Versions ...4
Electrical Characteristics—50 kΩ and 100 kΩ Versions..........5
Resistor Performance Mode Code Range—50 kΩ and 100 kΩ
Versions...........................................................................................6
Interface Timing Specifications...................................................7
Timing Diagrams...........................................................................8
Thermal Resistance .......................................................................9
ESD Caution...................................................................................9
Serial Data Interface................................................................... 18
Shift Register ............................................................................... 18
Rev. D | Page 2 of 24
Applications Information .............................................................. 22
Outline Dimensions ....................................................................... 24
Changes to Table 1............................................................................ 3
Changes to Table 2............................................................................ 4
Added Table 3; Renumbered Sequentially .................................... 5
Added Table 4.................................................................................... 6
Changes to Table 5............................................................................ 7
Changes to Table 6 and Note 1, Table 7 ......................................... 9
Changes to Typical Performance Characteristics Section......... 11
Changes to Programming the Variable Resistor Section .......... 20
Changes to Programming the Potentiometer
Divider Section ............................................................................... 21
Changes to Ordering Guide Section ............................................ 24
4/09—Revision 0: Initial Version
RDAC Register............................................................................ 18
Write Protection ......................................................................... 18
Basic Operation .......................................................................... 18
Shutdown Mode.......................................................................... 18
Reset ............................................................................................. 19
Resistor Performance Mode...................................................... 19
SDO Pin and Daisy-Chain Operation ..................................... 19
RDAC Architecture .................................................................... 20
Programming the Variable Resistor......................................... 20
Programming the Potentiometer Divider ............................... 21
EXT_CAP Capacitor.................................................................. 21
Terminal Voltage Operating Range.......................................... 21
High Voltage DAC...................................................................... 22
Programmable Voltage Source with Boosted Output............ 22
High Accuracy DAC .................................................................. 22
Variable Gain Instrumentation Amplifier............................... 22
Audio Volume Control .............................................................. 23
Ordering Guide........................................................................... 24