Datasheet > DS4404NR

DS4404NR

更新时间： 2024-11-23 03:30:35

品牌	Logo	应用领域
达拉斯 - DALLAS		/
页数	文件大小	规格书
8页	152K
描述
Two/Four-Channel, I2C Adjustable Current DAC

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DS4404NR 数据手册

Rev 0; 4/06

Two/Four-Channel, I C Adjustable Current DAC

General Description

Features

ꢀ Two (DS4402) or Four (DS4404) Current DACs

The DS4402 and DS4404 contain two and four I C*

adjustable current DACs, respectively, that are each

capable of sinking or sourcing current. Each output has

31 sink and 31 source settings that are programmed by

ꢀ Full-Scale Range for Each DAC Determined by

External Resistors

ꢀ 31 Settings Each for Sink and Source Modes

the I C interface. External resistors set the full-scale

ꢀ I C-Compatible Serial Interface

range and step size of each output.

ꢀ Two Three-Level Address Pins Allow Nine

Applications

Devices on Same I C Bus

Power-Supply Adjustment

Power-Supply Margining

ꢀ Low Cost

ꢀ Small Package (14-Pin TDFN)

ꢀ -40°C to +85°C Temperature Range

ꢀ 1.7V to 5.5V Operation

Adjustable Current Sink or Source

Pin Configuration

Ordering Information

TOP VIEW

OUT3

(N.C.)

SDA

SCL

GND

PART

TEMP RANGE

PIN-PACKAGE

DS4402N+

-40°C to +85°C 14 TDFN (3mm x 3mm)

OUT2

(N.C.)

DS4402N+T&R

DS4404N+

FS3

(N.C.)

FS2

(N.C.)

DS4404/

DS4402

10 OUT1

DS4404N+T&R

FS1

+Denotes lead-free package.

T&R denotes tape-and-reel package.

FS0

OUT0

TDFN

(3mm x 3mm x 0.8mm)

( ) INDICATES FOR DS4402 ONLY.

Typical Operating Circuit

OUT0

OUT1

OUT

4.7kΩ

SDA

SCL

DC/DC

CONVERTER

DC/DC

CONVERTER

OUT0

OUT1

DS4402

GND

FS0

FS1

FS0

*Purchase of I C components from Maxim Integrated Products, Inc., or one of its sublicensed Associated Companies, conveys a

license under the Philips I C Patent Rights to use these components in an I C system, provided that the system conforms to the I C

Standard Specification as defined by Philips.

______________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7 8

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