MAX5253 Maxim, MAX5253 Datasheet

MAX5253

Manufacturer Part Number

MAX5253

Description

+3V / Quad / 12-Bit Voltage-Output DAC with Serial Interface

Manufacturer

Maxim

Datasheet

1.MAX5253.pdf (16 pages)

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The MAX5253 combines four low-power, voltage-output,

12-bit digital-to-analog converters (DACs) and four pre-

cision output amplifiers in a space-saving, 20-pin pack-

age. In addition to the four voltage outputs, each

amplifier’s negative input is also available to the user.

This facilitates specific gain configurations, remote

sensing, and high output drive capacity, making the

MAX5253 ideal for industrial-process-control applica-

tions. Other features include software shutdown, hard-

ware shutdown lockout, an active-low reset which clears

all registers and DACs to zero, a user-programmable

logic output, and a serial-data output.

Each DAC has a double-buffered input organized as an

input register followed by a DAC register. A 16-bit serial

word loads data into each input/DAC register. The serial

interface is compatible with SPI™/QSPI™ and

Microwire™. It allows the input and DAC registers to be

updated independently or simultaneously with a single

software command. The DAC registers can be simulta-

neously updated via the 3-wire serial interface. All logic

inputs are TTL/CMOS-logic compatible.

__________________General Description

________________________Applications

19-1123; Rev 0; 9/96

SPI and QSPI are trademarks of Motorola, Inc. Microwire is a trademark of National Semiconductor Corp.

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

_________________________________________________________________________Functional Diagram

Industrial Process Controls

Automatic Test Equipment

Digital Offset and Gain Adjustment

Motion Control

Remote Industrial Controls

Microprocessor-Controlled Systems

________________________________________________________________ Maxim Integrated Products

DOUT

CS DIN SCLK

CONTROL

16-BIT

SHIFT

+3V, Quad, 12-Bit Voltage-Output DAC

CONTROL

OUTPUT

DECODE

LOGIC

UPO

PDL

DGND

INPUT

AGND

DAC B

DAC C

DAC D

DAC A

______________________________Features

Ordering Information continued on last page.

Pin Configuration appears at end of data sheet.

_________________Ordering Information

MAX5253ACPP

MAX5253BCPP

MAX5253ACAP

MAX5253BCAP

MAX5253

Four 12-Bit DACs with Configurable

Output Amplifiers

+3.0V to +3.6V Single-Supply Operation

Low Supply Current: 0.82mA Normal Operation

Reference Inputs are High Impedance in Shutdown

Available in 20-Pin SSOP

Power-On Reset Clears all Registers and

DACs to Zero

SPI/QSPI and Microwire Compatible

Simultaneous or Independent Control of DACs

via 3-Wire Serial Interface

User-Programmable Digital Output

PART

with Serial Interface

DAC C

DAC A

DAC B

DAC D

REFAB

REFCD

TEMP. RANGE

0°C to +70°C

3µA Shutdown Mode

20 Plastic DIP

20 SSOP

PIN-PACKAGE

FBA

FBB

OUTB

FBC

OUTC

FBD

OUTD

OUTA

(LSB)

±1/2

±1

±1/2

±1

INL

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