MAX5732 Maxim, MAX5732 Datasheet

MAX5732

Manufacturer Part Number

MAX5732

Description

32-Channel / 16-Bit / Voltage-Output DACs with Serial Interface

Manufacturer

Maxim

Datasheet

1.MAX5732.pdf (26 pages)

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The MAX5732–MAX5735 are 32-channel, 16-bit, voltage-

output, digital-to-analog converters (DACs). All devices

accept a 3V external reference input. The devices

include an internal offset DAC that allows all the outputs

to be offset and a ground-sensing function, allowing out-

put voltages to be referenced to a remote ground.

A 33MHz SPI™-/QSPI™-/MICROWIRE™- and digital

signal processor (DSP)-compatible serial interface con-

trols the MAX5732–MAX5735. Each DAC has a double-

buffered input structure that helps minimize the digital

noise feedthrough from the digital inputs to the outputs,

and allows for synchronous or asynchronous updating

of the outputs. The MAX5732–MAX5735 also provide a

DOUT that allows for read-back or daisy chaining multi-

ple devices. The devices provide separate power

inputs for the analog and digital sections and provide

separate power inputs for the output buffer amplifiers.

The MAX5732–MAX5735 include proprietary deglitch

circuits to prevent output glitches at power-up and

eliminate the need for power sequencing. The devices

provide a software-shutdown mode to allow efficient

power management. The MAX5732–MAX5735 con-

sume 50µA of supply current in shutdown.

The MAX5732–MAX5735 provide buffered outputs that

can drive 10kΩ in parallel with 100pF. The MAX5732 has

a 0 to +5V output range; the MAX5733 has a 0 to +10V

range; the MAX5734 has a -2.5V to +7.5V range; the

MAX5735 has a -5V to +5V range. The MAX5732–

MAX5735 are available in a 56-pin, 8mm x 8mm, thin

QFN package in both the commercial (0°C to +70°C)

and extended (-40°C to +85°C) temperature ranges.

19-3148; Rev 4; 12/04

SPI/QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

Pin Configuration and Selector Guide appear at end of data

sheet.

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.

Automatic Test Systems

Optical Router Controls

Industrial Process Controls

Arbitrary Function Generators

Avionics Equipment

Digital Offset/Gain Adjustment

________________________________________________________________ Maxim Integrated Products

General Description

32-Channel, 16-Bit, Voltage-Output

Applications

DACs with Serial Interface

♦ Guaranteed Monotonic to 16 Bits

♦ 32 Individual DACs in an 8mm x 8mm, 56-Pin,

♦ Four Output Voltage Ranges

♦ Buffered Voltage Outputs Capable of Driving

♦ Glitch-Free Power-Up

♦ SPI-/QSPI-/MICROWIRE-/DSP-Compatible 33MHz

*Future product—contact factory for availability. Specifications

are preliminary.

**EP = Exposed paddle (internally connected to V

MAX5732ACTN*

MAX5732BCTN

MAX5732CCTN

MAX5732AETN*

MAX5732BETN

MAX5732CETN

MAX5733ACTN*

MAX5733BCTN

MAX5733CCTN

MAX5733AETN*

MAX5733BETN

MAX5733CETN

MAX5734ACTN*

MAX5734BCTN

MAX5734CCTN

MAX5734AETN*

MAX5734BETN

MAX5734CETN

MAX5735ACTN*

MAX5735BCTN

MAX5735CCTN

MAX5735AETN*

MAX5735BETN

MAX5735CETN

Thin QFN Package

10kΩ || 100pF

Serial Interface

0 to +5V

0 to +10V

-2.5V to +7.5V

-5V to +5V

PART

-40°C to +85°C

Ordering Information

TEMP RANGE

0°C to +70°C

PIN-PACKAGE

56 Thin QFN-EP**

Features

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