Analog Devices Inc. AD5254BRU1
- Part Number:
- AD5254BRU1
- Manufacturer:
- Analog Devices Inc.
- Ventron No:
- 3119408-AD5254BRU1
- Description:
- IC DGTL POT QUAD 1K 20-TSSOP
- Datasheet:
- AD5254BRU1
Analog Devices Inc. AD5254BRU1 technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. AD5254BRU1.
- Voltage - Supply:2.7 V ~ 5.5 V, ±2.25 V ~ 2.75 V
- Tolerance:±30%
- Temperature Coefficient (Typ):650 ppm/°C
- Taper:Linear
- Supplier Device Package:20-TSSOP
- Series:-
- Resistance - Wiper (Ohms) (Typ):200
- Resistance (Ohms):1k
- Packaging:Tube
- Package / Case:20-TSSOP (0.173", 4.40mm Width)
- Operating Temperature:-40°C ~ 105°C
- Number of Taps:256
- Number of Circuits:4
- Memory Type:Non-Volatile
- Interface:I²C
- Features:Selectable Address
- Configuration:Potentiometer
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AD5254BRU1 More Descriptions
Digital Potentiometer 1kOhm 256POS Non-Volatile Linear 20-Pin TSSOP Tube
Digital Potentiometer ICs IC 8-Bit I2C EEMEM
IC DGTL POT 1KOHM 256TAP 20TSSOP
The AD5253/AD5254 are quad-channel, I2C®, nonvolatile mem-ory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjust-ment functions as mechanical potentiometers, trimmers, and variable resistors. The parts’ versatile programmability allows multiple modes of operation, including read/write access in the RDAC and EEMEM registers, increment/decrement of resistance, resistance changes in ±6 dB scales, wiper setting readback, and extra EEMEM for storing user-defined information, such as memory data for other components, look-up table, or system identification information. The AD5253/AD5254 allow the host I2C controllers to write any of the 64-/256-step wiper settings in the RDAC registers and store them in the EEMEM. Once the settings are stored, they are restored automatically to the RDAC registers at system power-on; the settings can also be restored dynamically. The AD5253/AD5254 provide additional increment, decrement, 6 dB step change, and –6 dB step change in synchronous or asynchronous channel update mode. The increment and decrement functions allow stepwise linear adjustments, with a ± 6 dB step change equivalent to doubling or halving the RDAC wiper setting. These functions are useful for steep-slope, nonlinear adjustments, such as white LED brightness and audio volume control. The AD5253/AD5254 have a patented resistance-tolerance storing function that allows the user to access the EEMEM and obtain the absolute end-to-end resistance values of the RDACs for precision applications. The AD5253/AD5254 are available in TSSOP-20 packages in 1 kO, 10 kO, 50 kO, and 100 kO options. All parts are guaranteed to operate over the –40°C to 85°C extended industrial temperature range. 1The terms nonvolatile memory and EEMEM are used interchangeably. 2The terms digital potentiometer and RDAC are used interchangeably.
Digital Potentiometer ICs IC 8-Bit I2C EEMEM
IC DGTL POT 1KOHM 256TAP 20TSSOP
The AD5253/AD5254 are quad-channel, I2C®, nonvolatile mem-ory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjust-ment functions as mechanical potentiometers, trimmers, and variable resistors. The parts’ versatile programmability allows multiple modes of operation, including read/write access in the RDAC and EEMEM registers, increment/decrement of resistance, resistance changes in ±6 dB scales, wiper setting readback, and extra EEMEM for storing user-defined information, such as memory data for other components, look-up table, or system identification information. The AD5253/AD5254 allow the host I2C controllers to write any of the 64-/256-step wiper settings in the RDAC registers and store them in the EEMEM. Once the settings are stored, they are restored automatically to the RDAC registers at system power-on; the settings can also be restored dynamically. The AD5253/AD5254 provide additional increment, decrement, 6 dB step change, and –6 dB step change in synchronous or asynchronous channel update mode. The increment and decrement functions allow stepwise linear adjustments, with a ± 6 dB step change equivalent to doubling or halving the RDAC wiper setting. These functions are useful for steep-slope, nonlinear adjustments, such as white LED brightness and audio volume control. The AD5253/AD5254 have a patented resistance-tolerance storing function that allows the user to access the EEMEM and obtain the absolute end-to-end resistance values of the RDACs for precision applications. The AD5253/AD5254 are available in TSSOP-20 packages in 1 kO, 10 kO, 50 kO, and 100 kO options. All parts are guaranteed to operate over the –40°C to 85°C extended industrial temperature range. 1The terms nonvolatile memory and EEMEM are used interchangeably. 2The terms digital potentiometer and RDAC are used interchangeably.
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