Datasheet > EVAL-AD5292EBZ

EVAL-AD5292EBZ

更新时间： 2024-09-28 12:53:55

品牌	Logo	应用领域
亚德诺 - ADI		电位器
页数	文件大小	规格书
32页	1051K
描述
256-/1024-Position, Digital Potentiometers

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中文翻译

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数据手册

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EVAL-AD5292EBZ 数据手册

256-/1024-Position, Digital Potentiometers with

Maximum 1ꢀ ꢁ-ꢂoleranꢃe ꢄrror anꢅ 20-ꢂP Memorꢆ

AD5291/AD5292

FEATURES

FUNCTIONAL BLOCK DIAGRAM

RESET

Single-channel, 256-/1024-position resolution

20 kΩ, 50 kΩ, and 100 kΩ nominal resistance

Maximum 1ꢀ nominal resistor tolerance error (resistor

performance mode)

20-times programmable wiper memory

Rheostat mode temperature coefficient: 35 ppm/°C

Voltage divider temperature coefficient: 5 ppm/°C

+9 V to +33 V single-supply operation

9 V to 16.5 V dual-supply operation

SPI-compatible serial interface

POWER-ON

RESET

AD5291/

AD5292

LOGIC

RDAC

SCLK

SYNC

DATA

SERIAL

INTERFACE

OTP

MEMORY

BLOCK

DIN

Wiper setting readback

SDO

Power-on refreshed from 20-TP memory

RDY

APPLICATIONS

EXT_CAP

GND

Mechanical potentiometer replacement

Instrumentation: gain and offset adjustment

Programmable voltage-to-current conversion

Programmable filters, delays, and time constants

Programmable power supply

Figure 1.

Low resolution DAC replacement

Sensor calibration

GENERAL DESCRIPTION

The AD5291 and AD5292 are single-channel, 256-/1024-

position digital potentiometers¹that combine industry leading

variable resistor performance with nonvolatile memory (NVM)

in a compact package. These devices are capable of operating

across a wide voltage range, supporting both dual supply

operation at 10.5 V to 16.5 V and single supply operation at

+21 V to +33 V, while ensuring less than 1% end-to-end resistor

tolerance error and offering 20-time programmable (20-TP)

memory.

The AD5291 and AD5292 device wiper settings are controllable

through the SPI digital interface. Unlimited adjustments are

allowed before programming the resistance value into the

20-TP memory. The AD5291 and AD5292 do not require any

external voltage supply to facilitate fuse blow, and there are 20

opportunities for permanent programming. During 20-TP

activation, a permanent blow fuse command freezes the wiper

position (analogous to placing epoxy on a mechanical trimmer).

The AD5291 and AD5292 are available in a compact 14-lead

TSSOP package. The part is guaranteed to operate over the

extended industrial temperature range of −40°C to +105°C.

The guaranteed industry leading low resistor tolerance error

feature simplifies open-loop applications as well as precision

calibration and tolerance matching applications.

¹The terms digital potentiometer and RDAC are used interchangeably.

Rev. D

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 registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

www.analog.com

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与EVAL-AD5292EBZ相关器件

型号	品牌	获取价格	描述	数据表
EVAL-AD5360EBZ	ADI	获取价格	BOARD EVAL FOR AD5360
EVAL-AD5360EBZ1	ADI	获取价格	16-Channel, 16-/14-Bit, Serial Input, Voltage-Output DAC
EVAL-AD5361EBZ	ADI	获取价格	BOARD EVAL FOR AD5361
EVAL-AD5361EBZ1	ADI	获取价格	16-Channel, 16-/14-Bit, Serial Input, Voltage-Output DAC
EVAL-AD5362EBZ	ADI	获取价格	BOARD EVAL FOR AD5362
EVAL-AD5363EBZ	ADI	获取价格	BOARD EVALUATION FOR AD5363
EVAL-AD5379EB	ADI	获取价格	40-Channel, 14-Bit, Parallel and Serial Input, Bipolar Voltage-Output DAC
EVAL-AD5379EBZ	ADI	获取价格	40-Channel, 14-Bit, Parallel
EVAL-AD5381EB	ADI	获取价格	40-Channel, 3 V/5 V, Single-Supply, 12-Bit, Voltage Output DAC
EVAL-AD5382EB	ADI	获取价格	32-Channel, 3 V/5 V, Single-Supply, 14-Bit, Voltage Output DAC

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