MAX5141 Maxim, MAX5141 Datasheet

MAX5141

Manufacturer Part Number

MAX5141

Description

+3V/+5V / Serial-Input / Voltage-Output / 14-Bit DACs

Manufacturer

Maxim

Datasheet

1.MAX5141.pdf (12 pages)

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Meier Automation Equipment Co., Limited

Part Number:

MAX5141EUA

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20 000

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The MAX5141–MAX5144 are serial-input, voltage-output,

14-bit digital-to-analog converters (DACs) in tiny µMAX

packages, 50% smaller than comparable DACs in an

8-pin SO. They operate from low +3V (MAX5143/

MAX5144) or +5V (MAX5141/MAX5142) single supplies.

They provide 14-bit performance (±1LSB INL and DNL)

over temperature without any adjustments. The DAC out-

put is unbuffered, resulting in a low supply current of

120µA and a low offset error of 2LSBs.

The DAC output range is 0V to V

tion, matched scaling resistors are provided in the

MAX5142/MAX5144 for use with an external precision op

amp (such as the MAX400), generating a ±V

swing.

A 16-bit serial word is used to load data into the DAC

latch. The 25MHz, 3-wire serial interface is compatible

with SPI™/QSPI™/MICROWIRE™, and can interface

directly with optocouplers for applications requiring isola-

tion. A power-on reset circuit clears the DAC output to

code 0 (MAX5141/MAX5143) or code 8192 (MAX5142/

MAX5144) when power is initially applied.

A logic low on CLR asynchronously clears the DAC out-

put to code 0 (MAX5141/MAX5143) or code 8192

(MAX5142/MAX5144), independent of the serial interface.

The MAX5141/MAX5143 are available in 8-pin µMAX

packages and the MAX5142/MAX5144 are available in

10-pin µMAX packages.

19-1849; Rev 1; 5/01

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

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.

M A X5 1 4 1E U A

M A X5 1 4 2E U B

M A X5 1 4 3E U A

M A X5 1 4 4E U B

High-Resolution and Gain Adjustment

Industrial Process Control

Automated Test Equipment

Data-Acquisition Systems

PART

________________________________________________________________ Maxim Integrated Products

General Description

-40°C to +85°C

T EM P. RA N G E

REF.

Applications

For bipolar opera-

REF

Voltage-Output, 14-Bit DACs

output

PIN - PAC K A GE

10 µMAX

8 µMAX

o Miniature (3mm x 5mm) 8-Pin µMAX Package

o Low 120µA Supply Current

o Fast 1µs Settling Time

o 25MHz SPI/QSPI/MICROWIRE-Compatible Serial

o V

o +5V (MAX5141/MAX5142) or +3V

o Full 14-Bit Performance Without Adjustments

o Unbuffered Voltage Output Directly Drives 60kΩ

o Power-On Reset Circuit Clears DAC Output to

o Schmitt-Trigger Inputs for Direct Optocoupler

o Asynchronous CLR

SCLK

Interface

(MAX5143/MAX5144) Single-Supply Operation

Loads

Code 0 (MAX5141/MAX5143) or Code 8192

(MAX5142/MAX5144)

Interface

DIN

REF

+3V/+5V, Serial-Input,

REF

TOP VIEW

Range Extends to V

MAX5141

MAX5143

IN L ( L SB )

µMAX

± 1

R A NG E ( V)

Ordering Information

SU PPL Y

GND

OUT

CLR

Pin Configurations

SCLK

CLR

REF

DIN

O U TPU T SWING

MAX5142

MAX5144

µMAX

U nip ol ar

Bi pol ar

U nip ol ar

Bi pol ar

Features

GND

RFB

INV

OUT

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