Datasheet > ISL22449

ISL22449

更新时间： 2024-01-29 10:38:37

品牌	Logo	应用领域
英特矽尔 - INTERSIL		电位器
页数	文件大小	规格书
12页	357K
描述
Quad Digitally Controlled Potentiometer

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ISL22449 数据手册

ISL22449

Quad Digitally Controlled Potentiometer (XDCP™)

Data Sheet

September 15, 2006

FN6333.2

Low Noise, Low Power, SPI Bus, 128 Taps,

Wiper Only

Features

• Four potentiometers in one package

• 128 resistor taps

The ISL22449 integrates four digitally controlled

potentiometers (DCP) and non-volatile memory on a

monolithic CMOS integrated circuit.

• SPI serial interface

The digitally controlled potentiometers are implemented with

a combination of resistor elements and CMOS switches. The

position of the wipers are controlled by the user through the

SPI serial interface. Each potentiometer has an associated

volatile Wiper Register (WR) and a non-volatile Initial Value

user. The contents of the WR controls the position of the

wiper. At power-up the device recalls the contents of the

DCP’s IVR to the corresponding WR.

• Non-volatile storage of wiper position

• Wiper resistance: 70Ω typical

• Shutdown mode

• Shutdown current 6.5µA max

• Power supply: 2.7V to 5.5V

• 50kΩ or 10kΩ total resistance

• High reliability

The DCP can be used as a voltage divider in a wide variety

of applications including control, parameter adjustments, AC

measurement and signal processing.

- Endurance: 1,000,000 data changes per bit per register

- Register data retention: 50 years @ T < +55°C

• 14 Lead TSSOP

Pinout

• Pb-free plus anneal product (RoHS compliant)

ISL22449

(14 LD TSSOP)

TOP VIEW

RW3

RW0

SHDN

SCK

SDO

GND

RW2

RW1

SDI

Ordering Information

RESISTANCE OPTION

TEMP. RANGE

PART NUMBER

PART MARKING

(kΩ)

(°C)

PACKAGE

14 Ld TSSOP

PKG. DWG. #

ISL22449UFV14Z

(Notes 1, 2)

22449 UFVZ

-40 to +125

M14.173

(Pb-free)

ISL22449WFV14Z

(Notes 1, 2)

22449 WFVZ

-40 to +125

14 Ld TSSOP

(Pb-free)

M14.173

NOTES:

1. Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate

termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are

MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

2. Add “-TK” suffix for 1,000 Tape and Reel option

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) and XDCP are registered trademarks of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...12

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与ISL22449相关器件

型号	品牌	获取价格	描述	数据表
ISL22449UFV14Z	INTERSIL	获取价格	Quad Digitally Controlled Potentiometer
ISL22449UFV14Z	RENESAS	获取价格	QUAD 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 128 POSITIONS, PDSO14, RO
ISL22449WFV14Z	RENESAS	获取价格	QUAD 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 128 POSITIONS, PDSO14, RO
ISL22449WFV14Z	INTERSIL	获取价格	Quad Digitally Controlled Potentiometer
ISL22449WFV14Z-TK	RENESAS	获取价格	QUAD 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 128 POSITIONS, PDSO14, RO
ISL22511	INTERSIL	获取价格	Low Noise, Low Power, 32 Taps, Push Button Controlled Potentiometer Single Push Button Con
ISL22511	RENESAS	获取价格	Single Push Button Controlled Potentiometer (XDCP?), Low Noise, Low Power, 32 Taps, PushBu
ISL22511UFB8Z	RENESAS	获取价格	Single Push Button Controlled Potentiometer (XDCP™), Low Noise, Low Power, 32 Ta
ISL22511UFB8Z	INTERSIL	获取价格	Low Noise, Low Power, 32 Taps, Push Button Controlled Potentiometer Single Push Button Con
ISL22511UFB8Z-TK	RENESAS	获取价格	Single Push Button Controlled Potentiometer (XDCP™), Low Noise, Low Power, 32 Ta

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