MAX5233EEE+【PDF 1/18 页】IC DAC 10BIT DUAL 5V SER 16-QSOP

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General Description

The MAX5232/MAX5233 low-power, dual 10-bit voltage-

output digital-to-analog converters (DACs) feature an

internal 10ppm/°C precision bandgap voltage reference

and precision output amplifiers. The MAX5233 operates

on a single 5V supply with an internal 2.465V reference

and features a 4.092V full-scale output range. The

MAX5232 operates on a single 3V supply with an internal

1.234V reference and features a 2.046V full-scale output

range. The MAX5233 consumes only 470A while the

MAX5232 consumes only 420A of supply current. Both

devices feature low-power (2A) software- and hard-

ware-enabled shutdown modes.

The MAX5232/MAX5233 feature a 13.5MHz SPI-,

QSPI-, and MICROWIRE-compatible 3-wire serial

interface. An additional data output (DOUT) allows for

daisy-chaining and read back. Each DAC has a double-

buffered digital input. The MAX5232/MAX5233 feature

two software-selectable shutdown output impedances:

or 200k. A power-up reset feature sets DAC out-

puts at ground or at the midscale DAC code.

The MAX5232/MAX5233 are specified over the extended

temperature range (-40°C to +85°C) and are available in

16-pin QSOP packages.

Applications

Industrial Process Controls

Automatic Test Equipment

Digital Offset and Gain Adjustment

Motion Control

P-Controlled Systems

Features

o Internal 10ppm/°C Precision Bandgap Reference

2.465V (MAX5233)

1.234V (MAX5232)

o Single-Supply Operation

5V (MAX5233)

3V (MAX5232)

o Low Supply Current

470A (MAX5233)

420A (MAX5232)

o 13.5MHz SPI/QSPI/MICROWIRE-Compatible,

3-Wire Serial Interface

o Pin-Programmable Power-Up Reset State to Zero

or Midscale Output Voltage

o Programmable Shutdown Modes with 1k or

200k

Internal Output Loads

o Recalls Output State Prior to Shutdown or Reset

o Buffered Output Drives 5k || 100pF Loads

o Space-Saving 16-Pin QSOP Package

MAX5232/MAX5233

3V/5V, 10-Bit, Serial Voltage-Output Dual DACs

with Internal Reference

________________________________________________________________

Maxim Integrated Products

Ordering Information

19-2331; Rev 2; 5/09

For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,

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

Functional Diagram appears at end of data sheet.

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor, Corp.

PART

TEMP RANGE

PIN-

PACKAGE

INL

(LSB)

MAX5232EEE+

-40°C to +85°C

16 QSOP

±0.5

MAX5233EEE+

-40°C to +85°C

16 QSOP

±0.5

OSA

OSB

OUTB

VDD

AGND

REF

PDL

DOUT

DGND

TOP VIEW

MAX5232

MAX5233

QSOP

OUTA

RSTV

DIN

CLR

LDAC

SCLK

Pin Configuration

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

Note: For leaded version, contact factory.

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