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