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AD5248BRMZ2.5-RL7

Digital Potentiometer 2.5k Ohm 2 Circuit 256 Taps I²C Interface 10-MSOP

Manufacturer:

Analog Devices Inc.
Mfr.Part #:

AD5248BRMZ2.5-RL7
Datasheet:

AD5248BRMZ2.5-RL7 Datasheet (PDF)
Series:

AD5248
Resistance:

2.5 kOhms
Temperature Coefficient:

35 PPM / C
Tolerance:

20 %
EDA/CAD Models:

Request Free CAD Models for AD5248BRMZ2.5-RL7

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AD5248BRMZ2.5-RL7 General Description

The AD5243 and AD5248 provide a compact 3 mm × 4.9 mmpackaged solution for dual, 256-position adjustment applications.The AD5243 performs the same electronic adjustment functionas a 3-terminal mechanical potentiometer, and the AD5248performs the same adjustment function as a 2-terminal variableresistor. Available in four end-to-end resistance values (2.5 kΩ,10 kΩ, 50 kΩ, and 100 kΩ), these low temperature coefficientdevices are ideal for high accuracy and stability-variableresistance adjustments. The wiper settings are controllablethrough the I²C-compatible digital interface. The AD5248 hasextra package address decode pins, AD0 and AD1, allowingmultiple parts to share the same I²C, 2-wire bus on a PCB. Theresistance between the wiper and either endpoint of the fixedresistor varies linearly with respect to the digital code transferred into the RDAC latch. (The terms digital potentiometer, VR,and RDAC are used interchangeably.)

Key Features

2-channel, 256-position potentiometers
End-to-end resistance: 2.5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ
Compact 10-lead MSOP (3 mm × 4.9 mm) package
Fast settling time: t_S = 5 µs typical on power-up
Full read/write of wiper register
Power-on preset to midscale
Extra package address decode pins:AD0 and AD1
Computer software replaces microcontroller in factory programming applications
Single supply: 2.7 V to 5.5 V
Low temperature coefficient: 35 ppm/°C
Low power: I_DD = 6 µA maximum
Wide operating temperature: −40°C to +125°C
Evaluation board available

Application

Systems calibrations
Electronics level settings
Mechanical trimmers replacement in new designs
Permanent factory printed circuit board (PCB) setting
Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
RF amplifier biasing
Gain control and offset adjustment

Specifications

Product Category	Digital Potentiometer ICs	Series	AD5248
Resistance	2.5 kOhms	Temperature Coefficient	35 PPM / C
Tolerance	20 %	Number of POTs	Dual
Taps per POT	256	Wiper Memory	Volatile
Digital Interface	I2C	Operating Supply Voltage	2.75 V
Operating Supply Current	3.5 uA	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C	Mounting Style	PCB Mount
Termination Style	SMD/SMT	Taper	Linear
Height	0.85 mm	Length	3 mm
Product Type	Digital Potentiometer ICs	Factory Pack Quantity	1000
Subcategory	Digital Potentiometer ICs	Supply Type	Single
Supply Voltage - Max	5.5 V	Supply Voltage - Min	2.7 V
Width	3 mm	Unit Weight	0.000847 oz