Datasheet > ISL90840

ISL90840

更新时间： 2024-09-17 22:55:35

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
12页	1127K
描述
Low Noise, Low Power I2C Bus, 256 Taps

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ISL90840 数据手册

ISL90840

Quad Digitally Controlled Potentiometers (XDCP™)

Data Sheet

July 27, 2005

FN8086.0

Low Noise, Low Power I C^®Bus, 256 Taps

Features

The ISL90840 integrates four digitally controlled

potentiometers (XDCP) on a monolithic CMOS integrated

circuit.

• Four potentiometers in one package

• 256 resistor taps - 0.4% resolution

• I C 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

- Three address pins, up to eight devices/bus

• Wiper resistance: 70Ω typical @ 3.3V

• Standby current <5µA max

I C bus interface. Each potentiometer has an associated

Wiper Register (WR) that can be directly written to and read

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

the wiper.

• Power supply: 2.7V to 5.5V

• 50kΩ, 10kΩ total resistance

The DCPs can be used as three-terminal potentiometers or

as two-terminal variable resistors in a wide variety of

applications including control, parameter adjustments, and

signal processing.

• 20 Lead TSSOP

• Pb-free plus anneal available (RoHS compliant)

Pinout

ISL90840

(20 LEAD TSSOP)

TOP VIEW

Ordering Information

TEMP

RANGE

(°C)

RESISTANCE

OPTION

(Ω)

RH3

RL3

RW3

RW0

RL0

RH0

D.N.C.

VCC

PART NUMBER

PACKAGE

ISL90840UIV2027

20 Ld TSSOP -40 to +85

50K

ISL90840UIV2027Z 20 Ld TSSOP -40 to +85

(Notes 1 & 2)

(Pb-Free)

SCL

SDA

GND

RW2

RL2

RH2

ISL90840WIV2027

20 Ld TSSOP -40 to +85

10K

ISL90840WIV2027Z 20 Ld TSSOP -40 to +85

(Notes 1 & 2)

(Pb-Free)

RH1

RL1

RW1

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. Contact factory for availability.

Functional Diagram

SCL

SDA

I C

INTERFACE

GND

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ISL90840相关器件

型号	品牌	获取价格	描述	数据表
ISL90840_06	INTERSIL	获取价格	Quad Digitally Controlled Potentiometers (XDCP)
ISL90840UAV2027Z	INTERSIL	获取价格	Quad Digitally Controlled Potentiometers (XDCP)
ISL90840UAV2027ZT2	RENESAS	获取价格	QUAD 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO20, RO
ISL90840UIV2027	INTERSIL	获取价格	Low Noise, Low Power I2C Bus, 256 Taps
ISL90840UIV2027T2	RENESAS	获取价格	DIGITAL POTENTIOMETER
ISL90840UIV2027Z	INTERSIL	获取价格	Low Noise, Low Power I2C Bus, 256 Taps
ISL90840UIV2027ZT2	RENESAS	获取价格	QUAD 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO20, RO
ISL90840WAV2027Z	INTERSIL	获取价格	Quad Digitally Controlled Potentiometers (XDCP)
ISL90840WIV2027	INTERSIL	获取价格	Low Noise, Low Power I2C Bus, 256 Taps
ISL90840WIV2027Z	INTERSIL	获取价格	Low Noise, Low Power I2C Bus, 256 Taps

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