DS4402

更新时间： 2024-11-23 06:54:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
9页	159K
描述
Two/Four-Channel, I2C Adjustable Current DAC

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数据手册

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DS4402 数据手册

19-4641; Rev 3; 5/09

Two/Four-Channel, I C Adjustable Current DAC

2/DS04

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

♦ Small Package (14-Pin TDFN)

♦ -40°C to +85°C Temperature Range

♦ 2.7V to 5.5V Operation

Adjustable Current Sink or Source

Pin Configuration

Ordering Information

PART

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

14 TDFN-EP*

TOP VIEW

DS4402N+

14 OUT3 (N.C.)

12 OUT2 (N.C.)

10 OUT1

SDA

SCL

DS4402N+T&R

DS4404N+

DS4404N+T&R

GND

+Denotes a lead(Pb)-free/RoHS-compliant package.

T&R = Tape and reel.

*EP = Exposed pad.

FS3 (N.C.)

FS2 (N.C.)

FS1

DS4404/

DS4402

*EP

FS0

OUT0

TDFN

(3mm × 3mm × 0.8mm)

*EXPOSED PAD

( ) 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

FS1

______________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...9

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