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AD5252BRUZ100-R7
Digital Potentiometer ICs 8-Bit I2C EEMEM DigiPOT
- Product Category: Digital Potentiometer ICs
- Mfr. Part # AD5252BRUZ100-RL7
- Manufacturer: Analog Devices Inc.
- Package: Cut Tape/Reel
- Lead Free Status /RoHS Status:
- Data Sheet: AD5252BRUZ100-RL7 Datasheet
- Inventory: In Stock
- Unit Price: Inquiry
- Quantity: -+
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Mfr. Part #: AD5252BRUZ100-RL7
- Specifications
- Product Details
Specifications
Product Details
GENERAL DESCRIPTION
The AD5251/AD5252 are dual-channel, I2C®, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjustment 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.FEATURES
AD5251: Dual 64-position resolutionAD5252: Dual 256-position resolution
1 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
Nonvolatile memory1 stores wiper setting w/write protection
Power-on refreshed with EEMEM settings in 300 µs typ
EEMEM rewrite time = 540 µs typ
Resistance tolerance stored in nonvolatile memory
12 extra bytes in EEMEM for user-defined information
I2C-compatible serial interface
Direct read/write access of RDAC2 and EEMEM registers
Predefined linear increment/decrement commands
Predefined ±6 dB step change commands
Synchronous or asynchronous dual-channel update
Wiper setting readback
4 MHz bandwidth—1 kΩ version
Single supply 2.7 V to 5.5 V
Dual supply ±2.25 V to ±2.75 V
2 slave address decoding bits allow operation of 4 devices
100-year typical data retention, TA = 55°C
Operating temperature: –40°C to +105°C
APPLICATIONS
Mechanical potentiometer replacementGeneral-purpose DAC replacement
LCD panel VCOM adjustment
White LED brightness adjustment
RF base station power amp bias control
Programmable gain and offset control
Programmable voltage-to-current conversion
Programmable power supply
Sensor calibrations
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Please send inquiry, we will respond immediately.
Mfr. Part #: AD5252BRUZ100-RL7