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Part Name(s) : AD5235-EP AD5235BRU25-EP-RL7 ADI
Analog Devices
Description : Nonvolatile Memory, Dual 1024-Position Digital Potentiometer View

GENERAL DESCRIPTION

The AD5235-EP is a Dual-channel, Nonvolatile Memory,Digitally controlled Potentiometer with 1024-step resolution. The device performs the same electronic adjustment function as a mechanical Potentiometer with enhanced resolution, solid state reliability, and superior low temperature coefficient performance. The AD5235-EP’s versatile programming via an SPI®-compatible serial interface allows 16 modes of operation and adjustment including scratchpad programming, memory storing and restoring, increment/decrement, ±6 dB/step log taper adjustment, wiper setting readback, and extra EEMEM for user-defined information such as

memory data for other components, look-up tables, or system identification information.



FEATURES

Dual-channel, 1024-Position resolution

25 kΩ nominal resistance

Low temperature coefficient: 35 ppm/°C

Nonvolatile memory stores wiper settings

Permanent memory write protection

Wiper setting readback

Resistance tolerance stored in EEMEM

Predefined linear increment/decrement instructions

Predefined ±6 dB/step log taper increment/decrement

instructions

SPI-compatible serial interface

2.7 V to 5 V single supply or ±2.5 V Dual supply

26 bytes extra Nonvolatile memory for user-defined

information

100-year typical data retention, TA= 55°C

Power-on refreshed with EEMEM settings

Enhanced Features

Supports defense and aerospace applications (AQEC)

Temperature range: −40°C to +125°C

Controlled manufacturing baseline

1 assembly/test site

1 fabrication site

Enhanced product change notification

Qualification data available on request



APPLICATIONS

DWDM laser diode driver, optical supervisory systems

Mechanical Potentiometer replacement

Instrumentation: gain, offset adjustment

Programmable voltage-to-current conversion

Programmable filters, delays, time constants

Programmable power supply

Low resolution DAC replacement

Sensor calibration



ELECTRICAL CHARACTERISTICS

VDD= 2.7 V to 5.5 V, VSS= 0 V; VDD= 2.5 V, VSS= −2.5 V, VA= VDD, VB= VSS, −40°C < TA< +125°C, unless otherwise noted.


Part Name(s) : AD5235 AD5235BRU25 AD5235BRU250 AD5235BRUZ25 AD5235BRUZ25-RL7 AD5235BRUZ250 AD5235BRUZ250-R7 EVAL-AD5235SDZ ADI
Analog Devices
Description : Nonvolatile Memory, Dual 1024-Position Digital Potentiometer View

GENERAL DESCRIPTION

The AD5235 is a Dual-channel, Nonvolatile Memory, Digitally controlled Potentiometer2 with 1024-step resolution, offering guaranteed maximum low resistor tolerance error of ±8%. The device performs the same electronic adjustment function as a mechanical Potentiometer with enhanced resolution, solid state reliability, and superior low temperature coefficient performance. The versatile programming of the AD5235 via an SPI®-compatible serial interface allows 16 modes of operation and adjustment including scratchpad programming, memory storing and restoring, increment/decrement, ±6 dB/step log taper adjustment, wiper setting readback, and extra EEMEM for user defined information such as memory data for other components,

look-up table, or system identification information.



FEATURES

Dual-channel, 1024-Position resolution

25 kΩ, 250 kΩ nominal resistance

Maximum ±8% nominal resistor tolerance error

Low temperature coefficient: 35 ppm/°C

2.7 V to 5 V single supply or ±2.5 V Dual supply

SPI-compatible serial interface

Nonvolatile memory stores wiper settings

Power-on refreshed with EEMEM settings

Permanent memory write protection

Resistance tolerance stored in EEMEM

26 bytes extra Nonvolatile memory for user-defined information

1M programming cycles

100-year typical data retention


 



APPLICATIONS

DWDM laser diode driver, optical supervisory systems

Mechanical Potentiometer replacement

Instrumentation: gain, offset adjustment

Programmable voltage-to-current conversion

Programmable filters, delays, time constants

Programmable power supply

Low resolution DAC replacement

Sensor calibration


Part Name(s) : AD5232 AD5232_13 AD5232BRU10 AD5232BRU10-REEL7 AD5232BRU100-REEL7 AD5232BRU50 AD5232BRUZ10 AD5232BRUZ10-REEL7 AD5232BRUZ100 AD5232BRUZ100-RL7 ADI
Analog Devices
Description : Nonvolatile Memory, Dual 256-Position Digital Potentiometer View

GENERAL DESCRIPTION
The AD5232 device provides a Nonvolatile, Dual-channel, Digitally controlled variable resistor (VR) with 256-position resolution. This device performs the same electronic adjustment function as a mechanical Potentiometer with enhanced resolution, solid state reliability, and superior low temperature coefficient performance. The versatile programming of the AD5232, per ormed via a microcontroller, allows multiple modes of operation and adjustment.
In the direct program mode, a predetermined setting of the RDAC registers (RDAC1 and RDAC2) can be loaded directly from the microcontroller. Another important mode of operation allows the RDACx register to be refreshed with the setting previously stored in the corresponding EEMEM register (EEMEM1 and EEMEM2). When changes are made to the RDACx register to establish a new wiper position, the value of the setting can be saved into the EEMEMx register by executing an EEMEM save operation. After the settings are saved in the EEMEMx register, these values are automatically transferred to the RDACx register to set the wiper position at system power-on. Such operation is enabled by the internal preset strobe. The preset strobe can also be accessed externally.

FEATURES
   Dual-channel, 256-position resolution
   10 kΩ, 50 kΩ, and 100 kΩ nominal terminal resistance
   Nonvolatile memory maintenance of wiper settings
   Predefined linear increment/decrement instructions
   Predefined ±6 dB step log taper increment/decrement
      instructions
   SPI-compatible serial interface
   Wiper settings and EEMEM readback
   3 V to 5 V single-supply operation
   ±2.5 V Dual-supply operation
   14 bytes of general-purpose user EEMEM
   Permanent memory write protection
   100-year typical data retention (TA = 55°C)

APPLICATIONS
   Mechanical Potentiometer replacement
   Instrumentation: gain and offset adjustment
   Programmable voltage-to-current conversion
   Programmable filters, delays, and time constants
   Programmable power supply
   Low resolution DAC replacement
   Sensor calibration

Part Name(s) : AD5232BRU10-REEL7_01 AD5232BRU100 AD5232BRU100-REEL7_01 AD5232BRU10_01 AD5232BRU50-REEL7 AD5232BRU50_01 AD5232_01 ADI
Analog Devices
Description : 8-Bit Dual Nonvolatile Memory Digital Potentiometer View

GENERAL DESCRIPTION
The AD5232 device provides a Nonvolatile, Dual-channel, Digitally controlled variable resistor (VR) with 256-position resolution. These devices perform the same electronic adjustment function as a Potentiometer or variable resistor. The AD5232’s versatile programming via a microcontroller allows multiple modes of operation and adjustment.
In the direct program mode a predetermined setting of the RDAC register can be loaded directly from the microcontroller. Another key mode of operation allows the RDAC register to be refreshed with the setting previously stored in the EEMEM register. When changes are made to the RDAC register to establish a new wiper position, the value of the setting can be saved into the EEMEM by executing an EEMEM save operation. Once the settings are saved in the EEMEM register these values will be automatically transferred to the RDAC register to set the wiper position at system power ON. Such operation is enabled by the internal preset strobe and the preset can also be accessed externally.

FEATURES
   Nonvolatile Memory Preset Maintains Wiper Settings
   Dual Channel, 256-Position Resolution
   Full Monotonic Operation DNL < 1 LSB
   10 kΩ, 50 kΩ, 100 kΩ Terminal Resistance
   Linear or Log Taper Settings
   Push-Button Increment/Decrement Compatible
   SPI-Compatible Serial Data Input with Readback
      Function
   3 V to 5 V Single Supply or 2.5 V Dual Supply
      Operation
   14 Bytes of User EEMEM Nonvolatile Memory for
      Constant Storage
   Permanent Memory Write Protection
   100-Year Typical Data Retention TA = 55°C

APPLICATIONS
   Mechanical Potentiometer Replacement
   Instrumentation: Gain, Offset Adjustment
   Programmable Voltage-to-Current Conversion
   Programmable Filters, Delays, Time Constants
   Line Impedance Matching
   Power Supply Adjustment
   DIP Switch Setting


Part Name(s) : AD5293 AD5293BRUZ-100 AD5293BRUZ-100-RL7 AD5293BRUZ-20 AD5293BRUZ-20-RL7 AD5293BRUZ-50 AD5293BRUZ-50-RL7 ADI
Analog Devices
Description : Single-Channel, 1024-Position, 1% R-Tolerance Digital Potentiometer View

GENERAL DESCRIPTION

The AD5293 is a single-channel, 1024-Position Digital Potentiometer with a <1% end-to-end resistor tolerance error. The AD5293 performs the same electronic adjustment function as a mechanical Potentiometer with enhanced resolution, solid state reliability, and superior low temperature coefficient performance. This device is capable of operating at high voltages and supporting both Dual-supply operation at ±10.5 V to ±15 V and single-supply operation at 21 V to 30 V.



FEATURES

Single-channel, 1024-Position resolution

20 kΩ, 50 kΩ, and 100 kΩ nominal resistance

Calibrated 1% nominal resistor tolerance (resistor performance mode)

Rheostat mode temperature coefficient: 35 ppm/°C

Voltage divider temperature coefficient: 5 ppm/°C

Single-supply operation: 9 V to 33 V

Dual-supply operation: ±9 V to ±16.5 V

SPI-compatible serial interface

Wiper setting readback



APPLICATIONS

Mechanical Potentiometer replacement

Instrumentation: gain and offset adjustment

Programmable voltage-to-current conversion

Programmable filters, delays, and time constants

Programmable power supply

Low resolution DAC replacements

Sensor calibration


Part Name(s) : AD5207 AD5207BRU10-REEL7 AD5207BRU100-REEL7 AD5207BRU50-REEL7 ADI
Analog Devices
Description : 2-Channel, 256-Position Digital Potentiometer View

GENERAL DESCRIPTION

The AD5207 provides Dual channel, 256-position, Digitally controlled variable resistor (VR) devices that perform the same electronic adjustment function as a Potentiometer or variable resistor. Each channel of the AD5207 contains a fixed resistor with a wiper contact that taps the fixed resistor value at a point determined by a Digital code loaded into the SPI-compatible serial-input register.



FEATURES

256-Position, 2-Channel

Potentiometer Replacement

10 k, 50 k, 100 k

Power Shut-Down, Less than 5 A

2.7 V to 5.5 V Single Supply

2.7 V Dual Supply

3-Wire SPI-Compatible Serial Data Input

Midscale Preset During Power-On



APPLICATIONS

Mechanical Potentiometer Replacement

Stereo Channel Audio Level Control

Instrumentation: Gain, Offset Adjustment

Programmable Voltage-to-Current Conversion

Programmable Filters, Delays, Time Constants

Line Impedance Matching

Automotive Electronics Adjustment


Part Name(s) : AD5291 AD5292 AD5291BRUZ-20 AD5291BRUZ-20-RL7 AD5291BRUZ-50 AD5291BRUZ-50-RL7 AD5291BRUZ-100 AD5291BRUZ-100-RL7 AD5292BRUZ-20 AD5292BRUZ-20-RL7 ADI
Analog Devices
Description : 256-/1024-Position, Digital Potentiometers with Maximum ±1% R-Tolerance Error and 20-TP Memory View

GENERAL DESCRIPTION
The AD5291 and AD5292 are single-channel, 256-/1024-Position Digital Potentiometers1 that combine industry leading variable resistor performance with Nonvolatile memory (NVM) in a compact package. These devices are capable of operating across a wide voltage range, supporting both Dual supply operation at ±10.5 V to ±16.5 V and single supply operation at +21 V to +33 V, while ensuring less than 1% end-to-end resistor tolerance error and offering 20-time programmable (20-TP) memory.
The guaranteed industry leading low resistor tolerance error feature simplifies open-loop applications as well as precision calibration and tolerance matching applications.

FEATURES
   Single-channel, 256-/1024-Position resolution
   20 kΩ, 50 kΩ, and 100 kΩ nominal resistance
   Maximum ±1% nominal resistor tolerance error (resistor
      performance mode)
   20-times programmable wiper memory
   Rheostat mode temperature coefficient: 35 ppm/°C
   Voltage divider temperature coefficient: 5 ppm/°C
   +9 V to +33 V single-supply operation
   ±9 V to ±16.5 V Dual-supply operation
   SPI-compatible serial interface
   Wiper setting readback
   Power-on refreshed from 20-TP memory

APPLICATIONS
   Mechanical Potentiometer replacement
   Instrumentation: gain and offset adjustment
   Programmable voltage-to-current conversion
   Programmable filters, delays, and time constants
   Programmable power supply
   Low resolution DAC replacement
   Sensor calibration

Part Name(s) : AD5258 AD5258BRMZ1 AD5258BRMZ1-R7 AD5258BRMZ10 AD5258BRMZ10-R7 AD5258BRMZ100 AD5258BRMZ100-R7 AD5258BRMZ50 AD5258BRMZ50-R7 AD5258EVAL ADI
Analog Devices
Description : Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer View

GENERAL DESCRIPTION

The AD5258 provides a compact, Nonvolatile 3 mm × 4.9 mm packaged solution for 64-position adjustment applications. These devices perform the same electronic adjustment function as mechanical Potentiometersor variable resistors, but with enhanced resolution and solid-state reliability.



FEATURES

Nonvolatile memory maintains wiper settings

64-position

Compact MSOP-10 (3mm × 4.9 mm) package

I

2

C®-compatible interface

VLOGIC pin provides increasedinterface flexibility

End-to-end resistance 1 kΩ, 10kΩ, 50kΩ, 100 kΩ

Resistance tolerance stored in EEPROM (0.1% accuracy)

Power-on EEPROM refresh time<1 ms

Software write protect command

Three-stateAddress Decode Pins AD0and AD1 allow 9 packages per bus

100-year typical dataretention at 55°C

Wide operating temperature −40°C to+85°C

3 V to5V single supply



APPLICATIONS

LCD panel VCOMadjustment

LCD panel brightness and contrast control

Mechanical Potentiometer replacement in new designs

Programmable power supplies

RF amplifier biasing

Automotive electronics adjustment

Gain control and offset adjustment

Fiber to the home systems

Electronics level settings


Part Name(s) : X9314 X9314W X9314WD X9314WE X9314WI X9314WM X9314WM3 X9314WMI X9314WMI3 X9314WMM Xicor
Xicor -> Intersil
Description : E2POT™ Nonvolatile Digital Potentiometer View

DESCRIPTION
The Xicor X9314 is a solid state Nonvolatile Potentiometer and is ideal for Digitally controlled resistance trimming.
The X9314 is a resistor array composed of 31 resistive elements. Between each element and at either end are tap points accessible to the wiper element. The position of the wiper element is controlled by the CS, U/D, and INC inputs. The position of the wiper can be stored in Nonvolatile memory and then be recalled upon a subsequent power-up operation.

FEATURES
• Low Power CMOS
    —VCC = 3V to 5.5V
    —Active Current, 3mA Max
    —Standby Current, 500µA Max
• 31 Resistive Elements
    —Temperature Compensated
    —±20% End to End Resistance Range
    — –5V to +5V Range
• 32 Wiper Tap Points
    —Wiper Positioned via Three-Wire Interface
    —Similar to TTL Up/Down Counter
    —Wiper Position Stored in Nonvolatile
    Memory and Recalled on Power-Up
• 100 Year Wiper Position Data Retention
• X9314W = 10KΩ
• Packages
    —8-Lead MSOP
    —8-Lead PDIP
    —8-Lead SOIC

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