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Maxim Integrated Products

1

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.

General Description

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

range and step size of each output.

Applications

Power-Supply Adjustment

Power-Supply Margining

Adjustable Current Sink or Source

Features

♦ Two (DS4402) or Four (DS4404) Current DACs

♦ Full-Scale Range for Each DAC Determined by

External Resistors

♦ 31 Settings Each for Sink and Source Modes

♦ Two Three-Level Address Pins Allow Nine

♦ Small Package (14-Pin TDFN)

♦ -40°C to +85°C Temperature Range

♦ 2.7V to 5.5V Operation

DC/DC

CONVERTER

FB

OUT

SDA

SCL

A0

A1

OUT0

OUT1

GND

4.7k

Ω

4.7k

Ω

FS0

FS1

DS4402

DC/DC

CONVERTER

FB

OUT

Typical Operating Circuit

Ordering Information

19-4641; Rev 3; 5/09

+

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

T&R = Tape and reel.

*

EP = Exposed pad.

PART

TEMP RANGE

PIN-PACKAGE

DS4402N+

-40°C to +85°C

14 TDFN-EP*

DS4402N+T&R

-40°C to +85°C

14 TDFN-EP*

DS4404N+

-40°C to +85°C

14 TDFN-EP*

DS4404N+T&R

-40°C to +85°C

14 TDFN-EP*

TDFN

TOP VIEW

2

4

5

13

11

10

A1

OUT1

SCL

FS3 (N.C.)

FS2 (N.C.)

*EXPOSED PAD

( ) INDICATES FOR DS4402 ONLY.

1

14

OUT3 (N.C.)

OUT2 (N.C.)

SDA

3

12

GND

6

9

A0

FS1

7

8

OUT0

FS0

DS4404/

DS4402

*EP

(3mm

Pin Configuration