AD5110BCPZ10-1-RL7 AD [Analog Devices], AD5110BCPZ10-1-RL7 Datasheet

AD5110BCPZ10-1-RL7

Manufacturer Part Number

AD5110BCPZ10-1-RL7

Description

Manufacturer

AD [Analog Devices]

Datasheet

1.AD5110BCPZ10-1-RL7.pdf (28 pages)

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Data Sheet

FEATURES

Single-channel, 128-/64-/32-position resolution

5 kΩ, 10 kΩ, 80 kΩ nominal resistance

Maximum ±8% nominal resistor tolerance error

Low wiper resistance

±6 mA maximum wiper current density

Resistor tolerance stored in EEPROM (0.1% accuracy)

Rheostat mode temperature coefficient: 35 ppm/°C

Potentiometer mode temperature coefficient: 5 ppm/°C

2.3 V to 5.5 V single-supply operation

1.8 V to 5.5 V logic supply operation

Power-on EEPROM refresh time < 50 μs

Wiper setting and EEPROM readback

50-year typical data retention at 125°C

1 million write cycles

Wide operating temperature: −40°C to +125°C

Thin, 2 mm × 2 mm × 0.55 mm 8-lead LFCSP package

APPLICATIONS

Mechanical potentiometer replacement

Portable electronics level adjustment

Audio volume control

Low resolution DAC

LCD panel brightness and contrast control

Programmable voltage to current conversion

Programmable filters, delays, time constants

Feedback resistor programmable power supply

Sensor calibration

GENERAL DESCRIPTION

The

for 128-/64-/32-position adjustment applications, offering

guaranteed low resistor tolerance errors of ±8% and up to

±6 mA current density in the A, B, and W pins. The low resistor

tolerance, low nominal temperature coefficient and high

bandwidth simplify open-loop applications, as well as tolerance

matching applications.

The new low wiper resistance feature minimizes the wiper

resistance in the extremes of the resistor array to only 45 Ω,

typical.

The wiper settings are controllable through an I

digital interface that is also used to readback the wiper register

and EEPROM content. Resistor tolerance is stored within

EEPROM, providing an end-to-end tolerance accuracy of 0.1%.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

C-compatible interface

AD5110/AD5112/AD5114

provide a nonvolatile solution

Resistor Tolerance, Nonvolatile Digital Potentiometer

C-compatible

Single-Channel, 128-/64-/32-Position, I

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

The

LFCSP package. The parts are guaranteed to operate over the

extended industrial temperature range of −40°C to +125°C.

Table 1. ±8% Resistance Tolerance Family

Model

AD5110

AD5111

AD5112

AD5113

AD5116

AD5114

AD5115

SDA

SCL

AD5110/AD5112/AD5114

FUNCTIONAL BLOCK DIAGRAM

Resistance (kΩ)

10, 80

5, 10, 80

10, 80

INTERFACE

POWER-ON

SERIAL

RESET

LOGIC

DATA

Figure 1.

GND

AD5110/AD5112/AD5114

are available in a 2 mm × 2 mm

EEPROM

Position

128

RDAC

www.analog.com

Interface

Up/down

Push-button

Up/down

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