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AD5254B1 Nonvolatile Memory Digital Potentiometers Electronic Component

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AD5254B1 Nonvolatile Memory Digital Potentiometers Electronic Component

: Large Image : AD5254B1 Nonvolatile Memory Digital Potentiometers Electronic Component

Product Details:

Place of Origin:	Original
Brand Name:	AD
Certification:	Original
Model Number:	AD5254B1

Payment & Shipping Terms:

Minimum Order Quantity:	5 PCS
Price:	0.1USD
Packaging Details:	contact us for more details
Delivery Time:	1 day
Payment Terms:	T/T, Western Union,Paypal
Supply Ability:	10000PCS/DAY

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Detailed Product Description

FEATURES:	Quad 64-position Resolution	APPLICATIONS:	Low Resolution DAC Replacement
GENERAL DESCRIPTION:	Digitally Controlled Potentiometers	TEMPERATURE:	–40°C To +85°C
OHM:	100 KΩ	TYPE:	IC
High Light:	electronic chip board , electronic components ic

AD5254B1 Nonvolatile Memory Digital Potentiometers

FEATURES

AD5253: Quad 64-position resolution

AD5254: Quad 256-position resolution

1 kΩ, 10 kΩ, 50 kΩ, 100 kΩ Nonvolatile memory stores wiper settings with write protection Power-on refreshed to 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 IC® compatible serial interface Direct read/write accesses of RDAC and EEMEM registers Predefined linear increment/decrement commands Predefined ±6 dB step change commands Synchronous or asynchronous quad 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 +85°C

APPLICATIONS

Mechanical potentiometer replacement Low resolution DAC replacement RGB LED backlight control

White LED brightness adjustment RF base station power amp bias control Programmable gain and offset control

Programmable attenuators Programmable voltage-to-current conversion Programmable power supply

Programmable filters Sensor calibrations

GENERAL DESCRIPTION

The AD5253/AD5254 are quad channel,2C, 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 AD5253/AD5254’s versatile programmability allows multiple modes of operation, including read/write accesses 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.

Parameter	Symbol	Conditions
Input Leakage Current (Other than WP and A0)	^IA0	^VIN= 0 V or ^VDD
POWER SUPPLIES Single-Supply Power Range	^VDD	^VSS= ^{0 V}
DYNAMIC CHARACTERISTICS Bandwidth –3 dB	BW	^RAB= 1 kΩ