MAX5534ETC+【PDF 1/24 页】IC DAC 12BIT DUAL ULP 12-TQFN

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Sheet目录2010

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General Description

The MAX5532–MAX5535 are dual, 12-bit, ultra-low-

power, voltage-output, digital-to-analog converters

(DACs) offering rail-to-rail buffered voltage outputs. The

DACs operate from a 1.8V to 5.5V supply and consume

less than 5A, making the devices suitable for low-

power and low-voltage applications. A shutdown mode

reduces overall current, including the reference input

current, to just 0.18A. The MAX5532–MAX5535 use a

3-wire serial interface that is compatible with SPI,

QSPI, and MICROWIRE.

Upon power-up, the MAX5532–MAX5535 outputs are

driven to zero scale, providing additional safety for

applications that drive valves or for other transducers

that need to be off during power-up. The zero-scale

outputs enable glitch-free power-up.

The MAX5532 accepts an external reference input and

provides unity-gain outputs. The MAX5533 contains a

precision internal reference and provides a buffered

external reference output with unity-gain DAC outputs.

The MAX5534 accepts an external reference input and

provides force-sense outputs. The MAX5535 contains a

precision internal reference and provides a buffered

external reference output with force-sense DAC outputs.

The MAX5534/MAX5535 are available in a 4mm x 4mm

x 0.8mm, 12-pin, thin QFN package. The MAX5532/

MAX5533 are available in an 8-pin MAX package. All

devices are guaranteed over the extended -40°C to

+85°C temperature range.

For 10-bit compatible devices, refer to the MAX5522–

MAX5525 data sheet. For 8-bit compatible devices,

refer to the MAX5512–MAX5515 data sheet.

Applications

Portable Battery-Powered Devices

Instrumentation

Automatic Trimming and Calibration in Factory

or Field

Programmable Voltage and Current Sources

Industrial Process Control and Remote

Industrial Devices

Remote Data Conversion and Monitoring

Chemical Sensor Cell Bias for Gas Monitors

Programmable LCD Bias

Features

Ultra-Low 5A Supply Current

Shutdown Mode Reduces Supply Current to

0.18A (max)

Single +1.8V to +5.5V Supply

Small 4mm x 4mm x 0.8mm Thin QFN Package

Internal Reference Sources 8mA of Current

(MAX5533/MAX5535)

Flexible Force-Sense-Configured Rail-to-Rail

Output Buffers

Fast 16MHz, 3-Wire, SPI-/QSPI-/MICROWIRE-

Compatible Serial Interface

TTL- and CMOS-Compatible Digital Inputs with

Hysteresis

Glitch-Free Outputs During Power-Up

MAX5532–MAX5535

Dual, Ultra-Low-Power,

12-Bit, Voltage-Output DACs

________________________________________________________________ Maxim Integrated Products

Ordering Information

19-3062; Rev 1; 1/07

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.

*EP = Exposed paddle (internally connected to GND).

EVALUATION

KIT

AVAILABLE

Pin Configurations continued at end of data sheet.

PART

TEMP RANGE

PIN-PACKAGE

PKG

CODE

MAX5532EUA

-40°C to +85°C

8 MAX

U8C-3

MAX5533EUA

-40°C to +85°C

8 MAX

U8C-3

MAX5534ETC

-40°C to +85°C

12 Thin QFN-EP*

T1244-4

MAX5535ETC

-40°C to +85°C

12 Thin QFN-EP*

T1244-4

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

MAX is a registered trademark of Maxim Integrated Products, Inc.

Selector Guide

PART

OUTPUTS

REFERENCE

TOP MARK

MAX5532EUA

Unity gain

External

—

MAX5533EUA

Unity gain

Internal

—

MAX5534ETC

Force sense

External

AACM

MAX5535ETC

Force sense

Internal

AACN

OUTA

GND

VDD

OUTB

REFIN(MAX5532)

REFOUT(MAX5533)

DIN

SCLK

MAX5532

MAX5533

μMAX

TOP VIEW

Pin Configurations

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