Datasheet > AD5122BCPZ10-RL7

AD5122BCPZ10-RL7

更新时间： 2024-11-19 12:51:19

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亚德诺 - ADI		/
页数	文件大小	规格书
32页	649K
描述
The AD5122/AD5142 potentiometers provides a nonvolatile solution for 128-/256-position adjustment applications, offering guaranteed low resistor tolerance errors of Â±8% and up to Â±6 mA current density in the Ax, Bx, and Wx pins.

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AD5122BCPZ10-RL7 数据手册

Dual Channel, 128-/256-Position, SPI,

Nonvolatile Digital Potentiometer

Data Sheet

AD5122/AD5142

FEATURES

FUNCTIONAL BLOCK DIAGRAM

LOGIC

INDEP

10 kΩ and 100 kΩ resistance options

Resistor tolerance: 8% maximum

Wiper current: 6 mA

Low temperature coefficient: 35 ppm/°C

Wide bandwidth: 3 MHz

POWER-ON

RESET

AD5122/

AD5142

RDAC1

Fast start-up time < 75 µs

Linear gain setting mode

INPUT

RESET

SCLK

SERIAL

INTERFACE

Single- and dual-supply operation

Independent logic supply: 1.8 V to 5.5 V

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

3 mm × 3 mm package option

4 kV ESD protection

RDAC2

SDI

7/8

INPUT

SYNC

SDO

EEPROM

MEMORY

APPLICATIONS

GND

Portable electronics level adjustment

LCD panel brightness and contrast controls

Programmable filters, delays, and time constants

Programmable power supplies

Figure 1.

GENERAL DESCRIPTION

Table 1. Family Models

The AD5122/AD5142 potentiometers provides a nonvolatile

solution for 128-/256-position adjustment applications, offering

guaranteed low resistor tolerance errors of 8% and up to 6 mA

current density in the Ax, Bx, and Wx pins.

Model

Channel Position Interface Package

AD5123¹

AD5124

AD5143¹

AD5144

Quad

128

256

128

256

128

256

I²C

LFCSP

TSSOP

LFCSP

TSSOP

SPI/I²C

SPI

I²C

The low resistor tolerance and low nominal temperature coefficient

simplify open-loop applications as well as applications requiring

tolerance matching.

SPI/I²C

SPI

I²C

AD5144A Quad

AD5122 Dual

AD5122A Dual

AD5142 Dual

AD5142A Dual

TSSOP

The linear gain setting mode allows independent programming

of the resistance between the digital potentiometer terminals,

through the R_AWand R_WBstring resistors, allowing very accurate

resistor matching.

SPI

LFCSP/TSSOP

LFCSP

I²C

SPI

I²C

SPI/I²C

The high bandwidth and low total harmonic distortion (THD)

ensure optimal performance for ac signals, making these

devices suitable for filter design.

AD5121

AD5141

Single

LFCSP

¹Two potentiometers and two rheostats.

The low wiper resistance of only 40 Ω at the ends of the resistor

array allows for pin-to-pin connection.

The wiper values can be set through an SPI-compatible digital

interface that is also used to read back the wiper register and

EEPROM contents.

The AD5122/AD5142 is available in a compact, 16-lead, 3 mm ×

3 mm LFCSP and a 16-lead TSSOP. The parts are guaranteed to

operate over the extended industrial temperature range of −40°C

to +125°C.

Rev. 0

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

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

Tel: 781.329.4700

Technical Support

www.analog.com

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与AD5122BCPZ10-RL7相关器件

型号	品牌	获取价格	描述	数据表
AD5122BRUZ10	ADI	获取价格	The AD5122/AD5142 potentiometers provides a n
AD5122BRUZ100	ADI	获取价格	The AD5122/AD5142 potentiometers provides a n
AD5122BRUZ100-RL7	ADI	获取价格	The AD5122/AD5142 potentiometers provides a n
AD5122BRUZ10-RL7	ADI	获取价格	The AD5122/AD5142 potentiometers provides a n
AD5122WBCPZ10-RL7	ADI	获取价格	Dual Channel, 128-/256-Position, SPI, Nonvolatile Digital Potentiometer
AD5122WBRUZ10-RL7	ADI	获取价格	Dual Channel, 128-Position, SPI, Nonvolatile Digital Potentiometer
AD5123	ADI	获取价格	Quad Channel, 128-/256-Position, I2C Nonvolatile Digital Potentiometer
AD51231	ADI	获取价格	Quad Channel, 128-/256-Position, I2C Nonvolatile Digital Potentiometer
AD5123BCPZ100-RL7	ADI	获取价格	Quad Channel, 128-/256-Position, I2C Nonvolatile Digital Potentiometer
AD5123BCPZ10-RL7	ADI	获取价格	Quad Channel, 128-/256-Position, I2C Nonvolatile Digital Potentiometer

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