Current DAC

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Maxim Integrated Products

1

Rev 0; 12/08

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

DACs that are each capable of sinking and sourcing

current up to 200µA. Each DAC output has 127 sink

and 127 source settings that are programmed using the

high-impedance state.

Applications

Power-Supply Adjustment

Power-Supply Margining

Adjustable Current Sink or Source

Features

♦ Two Current DACs

♦ Full-Scale Current 50µA to 200µA

♦ Full-Scale Range for Each DAC Determined by

External Resistors

♦ 127 Settings Each for Sink and Source Modes

♦ Low Cost

♦ Small Package (8-Pin µSOP)

♦ -40°C to +85°C Temperature Range

♦ 2.7V to 5.5V Operating Range

DC-DC

CONVERTER

FB

OUT

SDA

SCL

OUT0

OUT1

GND

4.7k

Ω

4.7k

Ω

FS0

FS1

DC-DC

CONVERTER

FB

OUT

DS4432

Typical Operating Circuit

Ordering Information

+

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

T&R = Tape and reel.

PART

TEMP RANGE

PIN-PACKAGE

DS4432U+

-40°C to +85°C

8 μSOP

DS4432U+T&R

-40°C to +85°C

8 μSOP

TOP VIEW

+

DS4432

μSOP

2

7

OUT1

SCL

18

SDA

OUT0

FS1

3

6

FS0

GND

4

5

Pin Configuration