Datasheet > AD5174

AD5174

更新时间： 2024-09-17 06:36:11

品牌	Logo	应用领域
亚德诺 - ADI		存储
页数	文件大小	规格书
20页	1003K
描述
Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory

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AD5174 数据手册

Single-Channel, 1024-Position, Digital Rheostat

with SPI Interface and 50-TP Memory

AD5174

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Single-channel, 1024-position resolution

10 kΩ nominal resistance

50-times programmable (50-TP) wiper memory

Rheostat mode temperature coefficient: 35 ppm/°C

2.7 V to 5.5 V single-supply operation

2.5 V to 2.75 V dual-supply operation for ac or bipolar

operations

SPI-compatible interface

Wiper setting and memory readback

Power on refreshed from memory

POWER-ON

RESET

AD5174

RDAC

SCLK

SYNC

DIN

SPI

SERIAL

INTERFACE

50-TP

MEMORY

BLOCK

Resistor tolerance stored in memory

Thin LFCSP 10-lead, 3 mm × 3 mm× 0.8 mm package

Compact MSOP, 10-lead, 3 mm × 4.9 mm × 1.1 mm package

SDO

APPLICATIONS

EXT_CAP

GND

Figure 1.

Mechanical rheostat replacements

Op-amp: variable gain control

Instrumentation: gain, offset adjustment

Programmable voltage-to-current conversions

Programmable filters, delays, time constants

Programmable power supply

Sensor calibration

GENERAL DESCRIPTION

The AD5174 is a single-channel, 1024-position digital rheostat

that combines industry leading variable resistor performance

with nonvolatile memory (NVM) in a compact package.

The AD5174 device wiper settings are controllable through the

SPI digital interface. Unlimited adjustments are allowed before

programming the resistance value into the 50-TP memory. The

AD5174 does not require any external voltage supply to facili-

tate fuse blow and there are 50 opportunities for permanent

programming. During 50-TP activation, a permanent blow fuse

command freezes the resistance position (analogous to placing

epoxy on a mechanical rheostat).

This device supports both dual-supply operation at 2.5 V to

2.75 V and single-supply operation at 2.7 V to 5.5 V and offers

50-times programmable (50-TP) memory.

The AD5174 is available in a 3 mm × 3mm 10-lead LFCSP

package and in a 10-lead MSOP package. The part is guaranteed

to operate over the extended industrial temperature range of

−40°C to +125°C.

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 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

Fax: 781.461.3113

www.analog.com

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与AD5174相关器件

型号	品牌	获取价格	描述	数据表
AD5174BCPZ-10-R2	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory
AD5174BCPZ-10-RL7	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory
AD5174BRMZ-10	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory
AD5174BRMZ-10-RL7	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory
AD5175	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with I2C Interface and 50-TP Memory
AD5175BCPZ-10-R2	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with I2C Interface and 50-TP Memory
AD5175BCPZ-10-RL7	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with I2C Interface and 50-TP Memory
AD5175BRMZ-10	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with I2C Interface and 50-TP Memory
AD5175BRMZ-10-RL7	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with I2C Interface and 50-TP Memory
AD517J	ADI	获取价格	Low Cost, Laser Trimmed, Precision IC Op Amp

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