AD5235BRU25-RL7 Analog Devices Inc, AD5235BRU25-RL7 Datasheet - Page 2

• Manufacturer Part Number: AD5235BRU25-RL7
• Description: IC DGTL POT DUAL 1024POS 16TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5235BRU25-RL7

• Rohs Status: RoHS non-compliant
• Taps: 1024
• Resistance (ohms): 25K
• Number Of Circuits: 2
• Temperature Coefficient: 35 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: 4-Wire SPI Serial
• Voltage - Supply: 3 V ~ 5.5 V, ±2.25 V ~ 2.75 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP (0.173", 4.40mm Width)
• Number Of Elements: 2
• # Of Taps: 1024
• Resistance (max): 25KOhm
• Power Supply Requirement: Single/Dual
• Interface Type: Serial (4-Wire/SPI)
• Single Supply Voltage (typ): 3.3/5V
• Dual Supply Voltage (typ): ±2.5V
• Single Supply Voltage (min): 3V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): ±2.25V
• Dual Supply Voltage (max): ±2.75V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / RoHS Status: Not Compliant
• Other names: AD5235BRU25-RL7; AD5235BRU25-RL7TR

AD5235
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
Specifications..................................................................................... 4
Absolute Maximum Ratings............................................................ 8
Pin Configuration and Function Descriptions............................. 9
Typical Performance Characteristics ........................................... 10
Theory of Operation ...................................................................... 16
Electrical Characteristics—25 kΩ, 250 kΩ Versions ............... 4
Interface Timing and EEMEM Reliability Characteristics—
25 kΩ, 250 kΩ Versions ............................................................... 6
ESD Caution.................................................................................. 8
Test Circuits................................................................................. 14
Scratchpad and EEMEM Programming.................................. 16
Basic Operation .......................................................................... 16
EEMEM Protection.................................................................... 17
Digital Input and Output Configuration................................. 17
Serial Data Interface................................................................... 17
Daisy-Chain Operation ............................................................. 18
Terminal Voltage Operating Range.......................................... 18
Advanced Control Modes ......................................................... 20
RDAC Structure.......................................................................... 21
Rev. D | Page 2 of 32
Applications Information .............................................................. 24
Outline Dimensions ....................................................................... 30
Programming the Variable Resistor......................................... 22
Programming the Potentiometer Divider............................... 22
Programming Examples ............................................................ 23
EVAL-AD5235SDZ Evaluation Kit.......................................... 23
Bipolar Operation from Dual Supplies.................................... 24
Gain Control Compensation .................................................... 24
High Voltage Operation ............................................................ 24
DAC.............................................................................................. 24
Bipolar Programmable Gain Amplifier................................... 25
10-Bit Bipolar DAC.................................................................... 25
Programmable Voltage Source with Boosted Output ........... 25
Programmable Current Source ................................................ 26
Programmable Bidirectional Current Source......................... 26
Programmable Low-Pass Filter ................................................ 27
Programmable Oscillator .......................................................... 27
Optical Transmitter Calibration with ADN2841 ................... 28
Resistance Scaling ...................................................................... 28
Resistance Tolerance, Drift, and Temperature Coefficient
Mismatch Considerations ......................................................... 29
RDAC Circuit Simulation Model............................................. 29
Ordering Guide .......................................................................... 30